xref: /linux/sound/soc/codecs/cs42l73.c (revision 0da908c291070d89482f6211dbe81d4d43c3f7cb)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * cs42l73.c  --  CS42L73 ALSA Soc Audio driver
4  *
5  * Copyright 2011 Cirrus Logic, Inc.
6  *
7  * Authors: Georgi Vlaev, Nucleus Systems Ltd, <joe@nucleusys.com>
8  *	    Brian Austin, Cirrus Logic Inc, <brian.austin@cirrus.com>
9  */
10 
11 #include <linux/module.h>
12 #include <linux/moduleparam.h>
13 #include <linux/kernel.h>
14 #include <linux/init.h>
15 #include <linux/delay.h>
16 #include <linux/of_gpio.h>
17 #include <linux/pm.h>
18 #include <linux/i2c.h>
19 #include <linux/regmap.h>
20 #include <linux/slab.h>
21 #include <sound/core.h>
22 #include <sound/pcm.h>
23 #include <sound/pcm_params.h>
24 #include <sound/soc.h>
25 #include <sound/soc-dapm.h>
26 #include <sound/initval.h>
27 #include <sound/tlv.h>
28 #include <sound/cs42l73.h>
29 #include "cs42l73.h"
30 #include "cirrus_legacy.h"
31 
32 struct sp_config {
33 	u8 spc, mmcc, spfs;
34 	u32 srate;
35 };
36 struct  cs42l73_private {
37 	struct cs42l73_platform_data pdata;
38 	struct sp_config config[3];
39 	struct regmap *regmap;
40 	u32 sysclk;
41 	u8 mclksel;
42 	u32 mclk;
43 	int shutdwn_delay;
44 };
45 
46 static const struct reg_default cs42l73_reg_defaults[] = {
47 	{ 6, 0xF1 },	/* r06	- Power Ctl 1 */
48 	{ 7, 0xDF },	/* r07	- Power Ctl 2 */
49 	{ 8, 0x3F },	/* r08	- Power Ctl 3 */
50 	{ 9, 0x50 },	/* r09	- Charge Pump Freq */
51 	{ 10, 0x53 },	/* r0A	- Output Load MicBias Short Detect */
52 	{ 11, 0x00 },	/* r0B	- DMIC Master Clock Ctl */
53 	{ 12, 0x00 },	/* r0C	- Aux PCM Ctl */
54 	{ 13, 0x15 },	/* r0D	- Aux PCM Master Clock Ctl */
55 	{ 14, 0x00 },	/* r0E	- Audio PCM Ctl */
56 	{ 15, 0x15 },	/* r0F	- Audio PCM Master Clock Ctl */
57 	{ 16, 0x00 },	/* r10	- Voice PCM Ctl */
58 	{ 17, 0x15 },	/* r11	- Voice PCM Master Clock Ctl */
59 	{ 18, 0x00 },	/* r12	- Voice/Aux Sample Rate */
60 	{ 19, 0x06 },	/* r13	- Misc I/O Path Ctl */
61 	{ 20, 0x00 },	/* r14	- ADC Input Path Ctl */
62 	{ 21, 0x00 },	/* r15	- MICA Preamp, PGA Volume */
63 	{ 22, 0x00 },	/* r16	- MICB Preamp, PGA Volume */
64 	{ 23, 0x00 },	/* r17	- Input Path A Digital Volume */
65 	{ 24, 0x00 },	/* r18	- Input Path B Digital Volume */
66 	{ 25, 0x00 },	/* r19	- Playback Digital Ctl */
67 	{ 26, 0x00 },	/* r1A	- HP/LO Left Digital Volume */
68 	{ 27, 0x00 },	/* r1B	- HP/LO Right Digital Volume */
69 	{ 28, 0x00 },	/* r1C	- Speakerphone Digital Volume */
70 	{ 29, 0x00 },	/* r1D	- Ear/SPKLO Digital Volume */
71 	{ 30, 0x00 },	/* r1E	- HP Left Analog Volume */
72 	{ 31, 0x00 },	/* r1F	- HP Right Analog Volume */
73 	{ 32, 0x00 },	/* r20	- LO Left Analog Volume */
74 	{ 33, 0x00 },	/* r21	- LO Right Analog Volume */
75 	{ 34, 0x00 },	/* r22	- Stereo Input Path Advisory Volume */
76 	{ 35, 0x00 },	/* r23	- Aux PCM Input Advisory Volume */
77 	{ 36, 0x00 },	/* r24	- Audio PCM Input Advisory Volume */
78 	{ 37, 0x00 },	/* r25	- Voice PCM Input Advisory Volume */
79 	{ 38, 0x00 },	/* r26	- Limiter Attack Rate HP/LO */
80 	{ 39, 0x7F },	/* r27	- Limter Ctl, Release Rate HP/LO */
81 	{ 40, 0x00 },	/* r28	- Limter Threshold HP/LO */
82 	{ 41, 0x00 },	/* r29	- Limiter Attack Rate Speakerphone */
83 	{ 42, 0x3F },	/* r2A	- Limter Ctl, Release Rate Speakerphone */
84 	{ 43, 0x00 },	/* r2B	- Limter Threshold Speakerphone */
85 	{ 44, 0x00 },	/* r2C	- Limiter Attack Rate Ear/SPKLO */
86 	{ 45, 0x3F },	/* r2D	- Limter Ctl, Release Rate Ear/SPKLO */
87 	{ 46, 0x00 },	/* r2E	- Limter Threshold Ear/SPKLO */
88 	{ 47, 0x00 },	/* r2F	- ALC Enable, Attack Rate Left/Right */
89 	{ 48, 0x3F },	/* r30	- ALC Release Rate Left/Right */
90 	{ 49, 0x00 },	/* r31	- ALC Threshold Left/Right */
91 	{ 50, 0x00 },	/* r32	- Noise Gate Ctl Left/Right */
92 	{ 51, 0x00 },	/* r33	- ALC/NG Misc Ctl */
93 	{ 52, 0x18 },	/* r34	- Mixer Ctl */
94 	{ 53, 0x3F },	/* r35	- HP/LO Left Mixer Input Path Volume */
95 	{ 54, 0x3F },	/* r36	- HP/LO Right Mixer Input Path Volume */
96 	{ 55, 0x3F },	/* r37	- HP/LO Left Mixer Aux PCM Volume */
97 	{ 56, 0x3F },	/* r38	- HP/LO Right Mixer Aux PCM Volume */
98 	{ 57, 0x3F },	/* r39	- HP/LO Left Mixer Audio PCM Volume */
99 	{ 58, 0x3F },	/* r3A	- HP/LO Right Mixer Audio PCM Volume */
100 	{ 59, 0x3F },	/* r3B	- HP/LO Left Mixer Voice PCM Mono Volume */
101 	{ 60, 0x3F },	/* r3C	- HP/LO Right Mixer Voice PCM Mono Volume */
102 	{ 61, 0x3F },	/* r3D	- Aux PCM Left Mixer Input Path Volume */
103 	{ 62, 0x3F },	/* r3E	- Aux PCM Right Mixer Input Path Volume */
104 	{ 63, 0x3F },	/* r3F	- Aux PCM Left Mixer Volume */
105 	{ 64, 0x3F },	/* r40	- Aux PCM Left Mixer Volume */
106 	{ 65, 0x3F },	/* r41	- Aux PCM Left Mixer Audio PCM L Volume */
107 	{ 66, 0x3F },	/* r42	- Aux PCM Right Mixer Audio PCM R Volume */
108 	{ 67, 0x3F },	/* r43	- Aux PCM Left Mixer Voice PCM Volume */
109 	{ 68, 0x3F },	/* r44	- Aux PCM Right Mixer Voice PCM Volume */
110 	{ 69, 0x3F },	/* r45	- Audio PCM Left Input Path Volume */
111 	{ 70, 0x3F },	/* r46	- Audio PCM Right Input Path Volume */
112 	{ 71, 0x3F },	/* r47	- Audio PCM Left Mixer Aux PCM L Volume */
113 	{ 72, 0x3F },	/* r48	- Audio PCM Right Mixer Aux PCM R Volume */
114 	{ 73, 0x3F },	/* r49	- Audio PCM Left Mixer Volume */
115 	{ 74, 0x3F },	/* r4A	- Audio PCM Right Mixer Volume */
116 	{ 75, 0x3F },	/* r4B	- Audio PCM Left Mixer Voice PCM Volume */
117 	{ 76, 0x3F },	/* r4C	- Audio PCM Right Mixer Voice PCM Volume */
118 	{ 77, 0x3F },	/* r4D	- Voice PCM Left Input Path Volume */
119 	{ 78, 0x3F },	/* r4E	- Voice PCM Right Input Path Volume */
120 	{ 79, 0x3F },	/* r4F	- Voice PCM Left Mixer Aux PCM L Volume */
121 	{ 80, 0x3F },	/* r50	- Voice PCM Right Mixer Aux PCM R Volume */
122 	{ 81, 0x3F },	/* r51	- Voice PCM Left Mixer Audio PCM L Volume */
123 	{ 82, 0x3F },	/* r52	- Voice PCM Right Mixer Audio PCM R Volume */
124 	{ 83, 0x3F },	/* r53	- Voice PCM Left Mixer Voice PCM Volume */
125 	{ 84, 0x3F },	/* r54	- Voice PCM Right Mixer Voice PCM Volume */
126 	{ 85, 0xAA },	/* r55	- Mono Mixer Ctl */
127 	{ 86, 0x3F },	/* r56	- SPK Mono Mixer Input Path Volume */
128 	{ 87, 0x3F },	/* r57	- SPK Mono Mixer Aux PCM Mono/L/R Volume */
129 	{ 88, 0x3F },	/* r58	- SPK Mono Mixer Audio PCM Mono/L/R Volume */
130 	{ 89, 0x3F },	/* r59	- SPK Mono Mixer Voice PCM Mono Volume */
131 	{ 90, 0x3F },	/* r5A	- SPKLO Mono Mixer Input Path Mono Volume */
132 	{ 91, 0x3F },	/* r5B	- SPKLO Mono Mixer Aux Mono/L/R Volume */
133 	{ 92, 0x3F },	/* r5C	- SPKLO Mono Mixer Audio Mono/L/R Volume */
134 	{ 93, 0x3F },	/* r5D	- SPKLO Mono Mixer Voice Mono Volume */
135 	{ 94, 0x00 },	/* r5E	- Interrupt Mask 1 */
136 	{ 95, 0x00 },	/* r5F	- Interrupt Mask 2 */
137 };
138 
139 static bool cs42l73_volatile_register(struct device *dev, unsigned int reg)
140 {
141 	switch (reg) {
142 	case CS42L73_IS1:
143 	case CS42L73_IS2:
144 		return true;
145 	default:
146 		return false;
147 	}
148 }
149 
150 static bool cs42l73_readable_register(struct device *dev, unsigned int reg)
151 {
152 	switch (reg) {
153 	case CS42L73_DEVID_AB ... CS42L73_DEVID_E:
154 	case CS42L73_REVID ... CS42L73_IM2:
155 		return true;
156 	default:
157 		return false;
158 	}
159 }
160 
161 static const DECLARE_TLV_DB_RANGE(hpaloa_tlv,
162 	0, 13, TLV_DB_SCALE_ITEM(-7600, 200, 0),
163 	14, 75, TLV_DB_SCALE_ITEM(-4900, 100, 0)
164 );
165 
166 static DECLARE_TLV_DB_SCALE(adc_boost_tlv, 0, 2500, 0);
167 
168 static DECLARE_TLV_DB_SCALE(hl_tlv, -10200, 50, 0);
169 
170 static DECLARE_TLV_DB_SCALE(ipd_tlv, -9600, 100, 0);
171 
172 static DECLARE_TLV_DB_SCALE(micpga_tlv, -600, 50, 0);
173 
174 static const DECLARE_TLV_DB_RANGE(limiter_tlv,
175 	0, 2, TLV_DB_SCALE_ITEM(-3000, 600, 0),
176 	3, 7, TLV_DB_SCALE_ITEM(-1200, 300, 0)
177 );
178 
179 static const DECLARE_TLV_DB_SCALE(attn_tlv, -6300, 100, 1);
180 
181 static const char * const cs42l73_pgaa_text[] = { "Line A", "Mic 1" };
182 static const char * const cs42l73_pgab_text[] = { "Line B", "Mic 2" };
183 
184 static SOC_ENUM_SINGLE_DECL(pgaa_enum,
185 			    CS42L73_ADCIPC, 3,
186 			    cs42l73_pgaa_text);
187 
188 static SOC_ENUM_SINGLE_DECL(pgab_enum,
189 			    CS42L73_ADCIPC, 7,
190 			    cs42l73_pgab_text);
191 
192 static const struct snd_kcontrol_new pgaa_mux =
193 	SOC_DAPM_ENUM("Left Analog Input Capture Mux", pgaa_enum);
194 
195 static const struct snd_kcontrol_new pgab_mux =
196 	SOC_DAPM_ENUM("Right Analog Input Capture Mux", pgab_enum);
197 
198 static const struct snd_kcontrol_new input_left_mixer[] = {
199 	SOC_DAPM_SINGLE("ADC Left Input", CS42L73_PWRCTL1,
200 			5, 1, 1),
201 	SOC_DAPM_SINGLE("DMIC Left Input", CS42L73_PWRCTL1,
202 			4, 1, 1),
203 };
204 
205 static const struct snd_kcontrol_new input_right_mixer[] = {
206 	SOC_DAPM_SINGLE("ADC Right Input", CS42L73_PWRCTL1,
207 			7, 1, 1),
208 	SOC_DAPM_SINGLE("DMIC Right Input", CS42L73_PWRCTL1,
209 			6, 1, 1),
210 };
211 
212 static const char * const cs42l73_ng_delay_text[] = {
213 	"50ms", "100ms", "150ms", "200ms" };
214 
215 static SOC_ENUM_SINGLE_DECL(ng_delay_enum,
216 			    CS42L73_NGCAB, 0,
217 			    cs42l73_ng_delay_text);
218 
219 static const char * const cs42l73_mono_mix_texts[] = {
220 	"Left", "Right", "Mono Mix"};
221 
222 static const unsigned int cs42l73_mono_mix_values[] = { 0, 1, 2 };
223 
224 static const struct soc_enum spk_asp_enum =
225 	SOC_VALUE_ENUM_SINGLE(CS42L73_MMIXCTL, 6, 3,
226 			      ARRAY_SIZE(cs42l73_mono_mix_texts),
227 			      cs42l73_mono_mix_texts,
228 			      cs42l73_mono_mix_values);
229 
230 static const struct snd_kcontrol_new spk_asp_mixer =
231 	SOC_DAPM_ENUM("Route", spk_asp_enum);
232 
233 static const struct soc_enum spk_xsp_enum =
234 	SOC_VALUE_ENUM_SINGLE(CS42L73_MMIXCTL, 4, 3,
235 			      ARRAY_SIZE(cs42l73_mono_mix_texts),
236 			      cs42l73_mono_mix_texts,
237 			      cs42l73_mono_mix_values);
238 
239 static const struct snd_kcontrol_new spk_xsp_mixer =
240 	SOC_DAPM_ENUM("Route", spk_xsp_enum);
241 
242 static const struct soc_enum esl_asp_enum =
243 	SOC_VALUE_ENUM_SINGLE(CS42L73_MMIXCTL, 2, 3,
244 			      ARRAY_SIZE(cs42l73_mono_mix_texts),
245 			      cs42l73_mono_mix_texts,
246 			      cs42l73_mono_mix_values);
247 
248 static const struct snd_kcontrol_new esl_asp_mixer =
249 	SOC_DAPM_ENUM("Route", esl_asp_enum);
250 
251 static const struct soc_enum esl_xsp_enum =
252 	SOC_VALUE_ENUM_SINGLE(CS42L73_MMIXCTL, 0, 3,
253 			      ARRAY_SIZE(cs42l73_mono_mix_texts),
254 			      cs42l73_mono_mix_texts,
255 			      cs42l73_mono_mix_values);
256 
257 static const struct snd_kcontrol_new esl_xsp_mixer =
258 	SOC_DAPM_ENUM("Route", esl_xsp_enum);
259 
260 static const char * const cs42l73_ip_swap_text[] = {
261 	"Stereo", "Mono A", "Mono B", "Swap A-B"};
262 
263 static SOC_ENUM_SINGLE_DECL(ip_swap_enum,
264 			    CS42L73_MIOPC, 6,
265 			    cs42l73_ip_swap_text);
266 
267 static const char * const cs42l73_spo_mixer_text[] = {"Mono", "Stereo"};
268 
269 static SOC_ENUM_SINGLE_DECL(vsp_output_mux_enum,
270 			    CS42L73_MIXERCTL, 5,
271 			    cs42l73_spo_mixer_text);
272 
273 static SOC_ENUM_SINGLE_DECL(xsp_output_mux_enum,
274 			    CS42L73_MIXERCTL, 4,
275 			    cs42l73_spo_mixer_text);
276 
277 static const struct snd_kcontrol_new hp_amp_ctl =
278 	SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 0, 1, 1);
279 
280 static const struct snd_kcontrol_new lo_amp_ctl =
281 	SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 1, 1, 1);
282 
283 static const struct snd_kcontrol_new spk_amp_ctl =
284 	SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 2, 1, 1);
285 
286 static const struct snd_kcontrol_new spklo_amp_ctl =
287 	SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 4, 1, 1);
288 
289 static const struct snd_kcontrol_new ear_amp_ctl =
290 	SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 3, 1, 1);
291 
292 static const struct snd_kcontrol_new cs42l73_snd_controls[] = {
293 	SOC_DOUBLE_R_SX_TLV("Headphone Analog Playback Volume",
294 			CS42L73_HPAAVOL, CS42L73_HPBAVOL, 0,
295 			0x41, 0x4B, hpaloa_tlv),
296 
297 	SOC_DOUBLE_R_SX_TLV("LineOut Analog Playback Volume", CS42L73_LOAAVOL,
298 			CS42L73_LOBAVOL, 0, 0x41, 0x4B, hpaloa_tlv),
299 
300 	SOC_DOUBLE_R_SX_TLV("Input PGA Analog Volume", CS42L73_MICAPREPGAAVOL,
301 			CS42L73_MICBPREPGABVOL, 0, 0x34,
302 			0x24, micpga_tlv),
303 
304 	SOC_DOUBLE_R("MIC Preamp Switch", CS42L73_MICAPREPGAAVOL,
305 			CS42L73_MICBPREPGABVOL, 6, 1, 1),
306 
307 	SOC_DOUBLE_R_SX_TLV("Input Path Digital Volume", CS42L73_IPADVOL,
308 			CS42L73_IPBDVOL, 0, 0xA0, 0x6C, ipd_tlv),
309 
310 	SOC_DOUBLE_R_SX_TLV("HL Digital Playback Volume",
311 			CS42L73_HLADVOL, CS42L73_HLBDVOL,
312 			0, 0x34, 0xE4, hl_tlv),
313 
314 	SOC_SINGLE_TLV("ADC A Boost Volume",
315 			CS42L73_ADCIPC, 2, 0x01, 1, adc_boost_tlv),
316 
317 	SOC_SINGLE_TLV("ADC B Boost Volume",
318 		       CS42L73_ADCIPC, 6, 0x01, 1, adc_boost_tlv),
319 
320 	SOC_SINGLE_SX_TLV("Speakerphone Digital Volume",
321 			    CS42L73_SPKDVOL, 0, 0x34, 0xE4, hl_tlv),
322 
323 	SOC_SINGLE_SX_TLV("Ear Speaker Digital Volume",
324 			    CS42L73_ESLDVOL, 0, 0x34, 0xE4, hl_tlv),
325 
326 	SOC_DOUBLE_R("Headphone Analog Playback Switch", CS42L73_HPAAVOL,
327 			CS42L73_HPBAVOL, 7, 1, 1),
328 
329 	SOC_DOUBLE_R("LineOut Analog Playback Switch", CS42L73_LOAAVOL,
330 			CS42L73_LOBAVOL, 7, 1, 1),
331 	SOC_DOUBLE("Input Path Digital Switch", CS42L73_ADCIPC, 0, 4, 1, 1),
332 	SOC_DOUBLE("HL Digital Playback Switch", CS42L73_PBDC, 0,
333 			1, 1, 1),
334 	SOC_SINGLE("Speakerphone Digital Playback Switch", CS42L73_PBDC, 2, 1,
335 			1),
336 	SOC_SINGLE("Ear Speaker Digital Playback Switch", CS42L73_PBDC, 3, 1,
337 			1),
338 
339 	SOC_SINGLE("PGA Soft-Ramp Switch", CS42L73_MIOPC, 3, 1, 0),
340 	SOC_SINGLE("Analog Zero Cross Switch", CS42L73_MIOPC, 2, 1, 0),
341 	SOC_SINGLE("Digital Soft-Ramp Switch", CS42L73_MIOPC, 1, 1, 0),
342 	SOC_SINGLE("Analog Output Soft-Ramp Switch", CS42L73_MIOPC, 0, 1, 0),
343 
344 	SOC_DOUBLE("ADC Signal Polarity Switch", CS42L73_ADCIPC, 1, 5, 1,
345 			0),
346 
347 	SOC_SINGLE("HL Limiter Attack Rate", CS42L73_LIMARATEHL, 0, 0x3F,
348 			0),
349 	SOC_SINGLE("HL Limiter Release Rate", CS42L73_LIMRRATEHL, 0,
350 			0x3F, 0),
351 
352 
353 	SOC_SINGLE("HL Limiter Switch", CS42L73_LIMRRATEHL, 7, 1, 0),
354 	SOC_SINGLE("HL Limiter All Channels Switch", CS42L73_LIMRRATEHL, 6, 1,
355 			0),
356 
357 	SOC_SINGLE_TLV("HL Limiter Max Threshold Volume", CS42L73_LMAXHL, 5, 7,
358 			1, limiter_tlv),
359 
360 	SOC_SINGLE_TLV("HL Limiter Cushion Volume", CS42L73_LMAXHL, 2, 7, 1,
361 			limiter_tlv),
362 
363 	SOC_SINGLE("SPK Limiter Attack Rate Volume", CS42L73_LIMARATESPK, 0,
364 			0x3F, 0),
365 	SOC_SINGLE("SPK Limiter Release Rate Volume", CS42L73_LIMRRATESPK, 0,
366 			0x3F, 0),
367 	SOC_SINGLE("SPK Limiter Switch", CS42L73_LIMRRATESPK, 7, 1, 0),
368 	SOC_SINGLE("SPK Limiter All Channels Switch", CS42L73_LIMRRATESPK,
369 			6, 1, 0),
370 	SOC_SINGLE_TLV("SPK Limiter Max Threshold Volume", CS42L73_LMAXSPK, 5,
371 			7, 1, limiter_tlv),
372 
373 	SOC_SINGLE_TLV("SPK Limiter Cushion Volume", CS42L73_LMAXSPK, 2, 7, 1,
374 			limiter_tlv),
375 
376 	SOC_SINGLE("ESL Limiter Attack Rate Volume", CS42L73_LIMARATEESL, 0,
377 			0x3F, 0),
378 	SOC_SINGLE("ESL Limiter Release Rate Volume", CS42L73_LIMRRATEESL, 0,
379 			0x3F, 0),
380 	SOC_SINGLE("ESL Limiter Switch", CS42L73_LIMRRATEESL, 7, 1, 0),
381 	SOC_SINGLE_TLV("ESL Limiter Max Threshold Volume", CS42L73_LMAXESL, 5,
382 			7, 1, limiter_tlv),
383 
384 	SOC_SINGLE_TLV("ESL Limiter Cushion Volume", CS42L73_LMAXESL, 2, 7, 1,
385 			limiter_tlv),
386 
387 	SOC_SINGLE("ALC Attack Rate Volume", CS42L73_ALCARATE, 0, 0x3F, 0),
388 	SOC_SINGLE("ALC Release Rate Volume", CS42L73_ALCRRATE, 0, 0x3F, 0),
389 	SOC_DOUBLE("ALC Switch", CS42L73_ALCARATE, 6, 7, 1, 0),
390 	SOC_SINGLE_TLV("ALC Max Threshold Volume", CS42L73_ALCMINMAX, 5, 7, 0,
391 			limiter_tlv),
392 	SOC_SINGLE_TLV("ALC Min Threshold Volume", CS42L73_ALCMINMAX, 2, 7, 0,
393 			limiter_tlv),
394 
395 	SOC_DOUBLE("NG Enable Switch", CS42L73_NGCAB, 6, 7, 1, 0),
396 	SOC_SINGLE("NG Boost Switch", CS42L73_NGCAB, 5, 1, 0),
397 	/*
398 	    NG Threshold depends on NG_BOOTSAB, which selects
399 	    between two threshold scales in decibels.
400 	    Set linear values for now ..
401 	*/
402 	SOC_SINGLE("NG Threshold", CS42L73_NGCAB, 2, 7, 0),
403 	SOC_ENUM("NG Delay", ng_delay_enum),
404 
405 	SOC_DOUBLE_R_TLV("XSP-IP Volume",
406 			CS42L73_XSPAIPAA, CS42L73_XSPBIPBA, 0, 0x3F, 1,
407 			attn_tlv),
408 	SOC_DOUBLE_R_TLV("XSP-XSP Volume",
409 			CS42L73_XSPAXSPAA, CS42L73_XSPBXSPBA, 0, 0x3F, 1,
410 			attn_tlv),
411 	SOC_DOUBLE_R_TLV("XSP-ASP Volume",
412 			CS42L73_XSPAASPAA, CS42L73_XSPAASPBA, 0, 0x3F, 1,
413 			attn_tlv),
414 	SOC_DOUBLE_R_TLV("XSP-VSP Volume",
415 			CS42L73_XSPAVSPMA, CS42L73_XSPBVSPMA, 0, 0x3F, 1,
416 			attn_tlv),
417 
418 	SOC_DOUBLE_R_TLV("ASP-IP Volume",
419 			CS42L73_ASPAIPAA, CS42L73_ASPBIPBA, 0, 0x3F, 1,
420 			attn_tlv),
421 	SOC_DOUBLE_R_TLV("ASP-XSP Volume",
422 			CS42L73_ASPAXSPAA, CS42L73_ASPBXSPBA, 0, 0x3F, 1,
423 			attn_tlv),
424 	SOC_DOUBLE_R_TLV("ASP-ASP Volume",
425 			CS42L73_ASPAASPAA, CS42L73_ASPBASPBA, 0, 0x3F, 1,
426 			attn_tlv),
427 	SOC_DOUBLE_R_TLV("ASP-VSP Volume",
428 			CS42L73_ASPAVSPMA, CS42L73_ASPBVSPMA, 0, 0x3F, 1,
429 			attn_tlv),
430 
431 	SOC_DOUBLE_R_TLV("VSP-IP Volume",
432 			CS42L73_VSPAIPAA, CS42L73_VSPBIPBA, 0, 0x3F, 1,
433 			attn_tlv),
434 	SOC_DOUBLE_R_TLV("VSP-XSP Volume",
435 			CS42L73_VSPAXSPAA, CS42L73_VSPBXSPBA, 0, 0x3F, 1,
436 			attn_tlv),
437 	SOC_DOUBLE_R_TLV("VSP-ASP Volume",
438 			CS42L73_VSPAASPAA, CS42L73_VSPBASPBA, 0, 0x3F, 1,
439 			attn_tlv),
440 	SOC_DOUBLE_R_TLV("VSP-VSP Volume",
441 			CS42L73_VSPAVSPMA, CS42L73_VSPBVSPMA, 0, 0x3F, 1,
442 			attn_tlv),
443 
444 	SOC_DOUBLE_R_TLV("HL-IP Volume",
445 			CS42L73_HLAIPAA, CS42L73_HLBIPBA, 0, 0x3F, 1,
446 			attn_tlv),
447 	SOC_DOUBLE_R_TLV("HL-XSP Volume",
448 			CS42L73_HLAXSPAA, CS42L73_HLBXSPBA, 0, 0x3F, 1,
449 			attn_tlv),
450 	SOC_DOUBLE_R_TLV("HL-ASP Volume",
451 			CS42L73_HLAASPAA, CS42L73_HLBASPBA, 0, 0x3F, 1,
452 			attn_tlv),
453 	SOC_DOUBLE_R_TLV("HL-VSP Volume",
454 			CS42L73_HLAVSPMA, CS42L73_HLBVSPMA, 0, 0x3F, 1,
455 			attn_tlv),
456 
457 	SOC_SINGLE_TLV("SPK-IP Mono Volume",
458 			CS42L73_SPKMIPMA, 0, 0x3F, 1, attn_tlv),
459 	SOC_SINGLE_TLV("SPK-XSP Mono Volume",
460 			CS42L73_SPKMXSPA, 0, 0x3F, 1, attn_tlv),
461 	SOC_SINGLE_TLV("SPK-ASP Mono Volume",
462 			CS42L73_SPKMASPA, 0, 0x3F, 1, attn_tlv),
463 	SOC_SINGLE_TLV("SPK-VSP Mono Volume",
464 			CS42L73_SPKMVSPMA, 0, 0x3F, 1, attn_tlv),
465 
466 	SOC_SINGLE_TLV("ESL-IP Mono Volume",
467 			CS42L73_ESLMIPMA, 0, 0x3F, 1, attn_tlv),
468 	SOC_SINGLE_TLV("ESL-XSP Mono Volume",
469 			CS42L73_ESLMXSPA, 0, 0x3F, 1, attn_tlv),
470 	SOC_SINGLE_TLV("ESL-ASP Mono Volume",
471 			CS42L73_ESLMASPA, 0, 0x3F, 1, attn_tlv),
472 	SOC_SINGLE_TLV("ESL-VSP Mono Volume",
473 			CS42L73_ESLMVSPMA, 0, 0x3F, 1, attn_tlv),
474 
475 	SOC_ENUM("IP Digital Swap/Mono Select", ip_swap_enum),
476 
477 	SOC_ENUM("VSPOUT Mono/Stereo Select", vsp_output_mux_enum),
478 	SOC_ENUM("XSPOUT Mono/Stereo Select", xsp_output_mux_enum),
479 };
480 
481 static int cs42l73_spklo_spk_amp_event(struct snd_soc_dapm_widget *w,
482 	struct snd_kcontrol *kcontrol, int event)
483 {
484 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
485 	struct cs42l73_private *priv = snd_soc_component_get_drvdata(component);
486 	switch (event) {
487 	case SND_SOC_DAPM_POST_PMD:
488 		/* 150 ms delay between setting PDN and MCLKDIS */
489 		priv->shutdwn_delay = 150;
490 		break;
491 	default:
492 		pr_err("Invalid event = 0x%x\n", event);
493 	}
494 	return 0;
495 }
496 
497 static int cs42l73_ear_amp_event(struct snd_soc_dapm_widget *w,
498 	struct snd_kcontrol *kcontrol, int event)
499 {
500 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
501 	struct cs42l73_private *priv = snd_soc_component_get_drvdata(component);
502 	switch (event) {
503 	case SND_SOC_DAPM_POST_PMD:
504 		/* 50 ms delay between setting PDN and MCLKDIS */
505 		if (priv->shutdwn_delay < 50)
506 			priv->shutdwn_delay = 50;
507 		break;
508 	default:
509 		pr_err("Invalid event = 0x%x\n", event);
510 	}
511 	return 0;
512 }
513 
514 
515 static int cs42l73_hp_amp_event(struct snd_soc_dapm_widget *w,
516 	struct snd_kcontrol *kcontrol, int event)
517 {
518 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
519 	struct cs42l73_private *priv = snd_soc_component_get_drvdata(component);
520 	switch (event) {
521 	case SND_SOC_DAPM_POST_PMD:
522 		/* 30 ms delay between setting PDN and MCLKDIS */
523 		if (priv->shutdwn_delay < 30)
524 			priv->shutdwn_delay = 30;
525 		break;
526 	default:
527 		pr_err("Invalid event = 0x%x\n", event);
528 	}
529 	return 0;
530 }
531 
532 static const struct snd_soc_dapm_widget cs42l73_dapm_widgets[] = {
533 	SND_SOC_DAPM_INPUT("DMICA"),
534 	SND_SOC_DAPM_INPUT("DMICB"),
535 	SND_SOC_DAPM_INPUT("LINEINA"),
536 	SND_SOC_DAPM_INPUT("LINEINB"),
537 	SND_SOC_DAPM_INPUT("MIC1"),
538 	SND_SOC_DAPM_SUPPLY("MIC1 Bias", CS42L73_PWRCTL2, 6, 1, NULL, 0),
539 	SND_SOC_DAPM_INPUT("MIC2"),
540 	SND_SOC_DAPM_SUPPLY("MIC2 Bias", CS42L73_PWRCTL2, 7, 1, NULL, 0),
541 
542 	SND_SOC_DAPM_AIF_OUT("XSPOUTL", NULL,  0,
543 			CS42L73_PWRCTL2, 1, 1),
544 	SND_SOC_DAPM_AIF_OUT("XSPOUTR", NULL,  0,
545 			CS42L73_PWRCTL2, 1, 1),
546 	SND_SOC_DAPM_AIF_OUT("ASPOUTL", NULL,  0,
547 			CS42L73_PWRCTL2, 3, 1),
548 	SND_SOC_DAPM_AIF_OUT("ASPOUTR", NULL,  0,
549 			CS42L73_PWRCTL2, 3, 1),
550 	SND_SOC_DAPM_AIF_OUT("VSPINOUT", NULL,  0,
551 			CS42L73_PWRCTL2, 4, 1),
552 
553 	SND_SOC_DAPM_PGA("PGA Left", SND_SOC_NOPM, 0, 0, NULL, 0),
554 	SND_SOC_DAPM_PGA("PGA Right", SND_SOC_NOPM, 0, 0, NULL, 0),
555 
556 	SND_SOC_DAPM_MUX("PGA Left Mux", SND_SOC_NOPM, 0, 0, &pgaa_mux),
557 	SND_SOC_DAPM_MUX("PGA Right Mux", SND_SOC_NOPM, 0, 0, &pgab_mux),
558 
559 	SND_SOC_DAPM_ADC("ADC Left", NULL, CS42L73_PWRCTL1, 7, 1),
560 	SND_SOC_DAPM_ADC("ADC Right", NULL, CS42L73_PWRCTL1, 5, 1),
561 	SND_SOC_DAPM_ADC("DMIC Left", NULL, CS42L73_PWRCTL1, 6, 1),
562 	SND_SOC_DAPM_ADC("DMIC Right", NULL, CS42L73_PWRCTL1, 4, 1),
563 
564 	SND_SOC_DAPM_MIXER_NAMED_CTL("Input Left Capture", SND_SOC_NOPM,
565 			 0, 0, input_left_mixer,
566 			 ARRAY_SIZE(input_left_mixer)),
567 
568 	SND_SOC_DAPM_MIXER_NAMED_CTL("Input Right Capture", SND_SOC_NOPM,
569 			0, 0, input_right_mixer,
570 			ARRAY_SIZE(input_right_mixer)),
571 
572 	SND_SOC_DAPM_MIXER("ASPL Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
573 	SND_SOC_DAPM_MIXER("ASPR Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
574 	SND_SOC_DAPM_MIXER("XSPL Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
575 	SND_SOC_DAPM_MIXER("XSPR Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
576 	SND_SOC_DAPM_MIXER("VSP Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
577 
578 	SND_SOC_DAPM_AIF_IN("XSPINL", NULL, 0,
579 				CS42L73_PWRCTL2, 0, 1),
580 	SND_SOC_DAPM_AIF_IN("XSPINR", NULL, 0,
581 				CS42L73_PWRCTL2, 0, 1),
582 	SND_SOC_DAPM_AIF_IN("XSPINM", NULL, 0,
583 				CS42L73_PWRCTL2, 0, 1),
584 
585 	SND_SOC_DAPM_AIF_IN("ASPINL", NULL, 0,
586 				CS42L73_PWRCTL2, 2, 1),
587 	SND_SOC_DAPM_AIF_IN("ASPINR", NULL, 0,
588 				CS42L73_PWRCTL2, 2, 1),
589 	SND_SOC_DAPM_AIF_IN("ASPINM", NULL, 0,
590 				CS42L73_PWRCTL2, 2, 1),
591 
592 	SND_SOC_DAPM_AIF_IN("VSPINOUT", NULL, 0,
593 				CS42L73_PWRCTL2, 4, 1),
594 
595 	SND_SOC_DAPM_MIXER("HL Left Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
596 	SND_SOC_DAPM_MIXER("HL Right Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
597 	SND_SOC_DAPM_MIXER("SPK Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
598 	SND_SOC_DAPM_MIXER("ESL Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
599 
600 	SND_SOC_DAPM_MUX("ESL-XSP Mux", SND_SOC_NOPM,
601 			 0, 0, &esl_xsp_mixer),
602 
603 	SND_SOC_DAPM_MUX("ESL-ASP Mux", SND_SOC_NOPM,
604 			 0, 0, &esl_asp_mixer),
605 
606 	SND_SOC_DAPM_MUX("SPK-ASP Mux", SND_SOC_NOPM,
607 			 0, 0, &spk_asp_mixer),
608 
609 	SND_SOC_DAPM_MUX("SPK-XSP Mux", SND_SOC_NOPM,
610 			 0, 0, &spk_xsp_mixer),
611 
612 	SND_SOC_DAPM_PGA("HL Left DAC", SND_SOC_NOPM, 0, 0, NULL, 0),
613 	SND_SOC_DAPM_PGA("HL Right DAC", SND_SOC_NOPM, 0, 0, NULL, 0),
614 	SND_SOC_DAPM_PGA("SPK DAC", SND_SOC_NOPM, 0, 0, NULL, 0),
615 	SND_SOC_DAPM_PGA("ESL DAC", SND_SOC_NOPM, 0, 0, NULL, 0),
616 
617 	SND_SOC_DAPM_SWITCH_E("HP Amp",  CS42L73_PWRCTL3, 0, 1,
618 			    &hp_amp_ctl, cs42l73_hp_amp_event,
619 			SND_SOC_DAPM_POST_PMD),
620 	SND_SOC_DAPM_SWITCH("LO Amp", CS42L73_PWRCTL3, 1, 1,
621 			    &lo_amp_ctl),
622 	SND_SOC_DAPM_SWITCH_E("SPK Amp", CS42L73_PWRCTL3, 2, 1,
623 			&spk_amp_ctl, cs42l73_spklo_spk_amp_event,
624 			SND_SOC_DAPM_POST_PMD),
625 	SND_SOC_DAPM_SWITCH_E("EAR Amp", CS42L73_PWRCTL3, 3, 1,
626 			    &ear_amp_ctl, cs42l73_ear_amp_event,
627 			SND_SOC_DAPM_POST_PMD),
628 	SND_SOC_DAPM_SWITCH_E("SPKLO Amp", CS42L73_PWRCTL3, 4, 1,
629 			    &spklo_amp_ctl, cs42l73_spklo_spk_amp_event,
630 			SND_SOC_DAPM_POST_PMD),
631 
632 	SND_SOC_DAPM_OUTPUT("HPOUTA"),
633 	SND_SOC_DAPM_OUTPUT("HPOUTB"),
634 	SND_SOC_DAPM_OUTPUT("LINEOUTA"),
635 	SND_SOC_DAPM_OUTPUT("LINEOUTB"),
636 	SND_SOC_DAPM_OUTPUT("EAROUT"),
637 	SND_SOC_DAPM_OUTPUT("SPKOUT"),
638 	SND_SOC_DAPM_OUTPUT("SPKLINEOUT"),
639 };
640 
641 static const struct snd_soc_dapm_route cs42l73_audio_map[] = {
642 
643 	/* SPKLO EARSPK Paths */
644 	{"EAROUT", NULL, "EAR Amp"},
645 	{"SPKLINEOUT", NULL, "SPKLO Amp"},
646 
647 	{"EAR Amp", "Switch", "ESL DAC"},
648 	{"SPKLO Amp", "Switch", "ESL DAC"},
649 
650 	{"ESL DAC", "ESL-ASP Mono Volume", "ESL Mixer"},
651 	{"ESL DAC", "ESL-XSP Mono Volume", "ESL Mixer"},
652 	{"ESL DAC", "ESL-VSP Mono Volume", "VSPINOUT"},
653 	/* Loopback */
654 	{"ESL DAC", "ESL-IP Mono Volume", "Input Left Capture"},
655 	{"ESL DAC", "ESL-IP Mono Volume", "Input Right Capture"},
656 
657 	{"ESL Mixer", NULL, "ESL-ASP Mux"},
658 	{"ESL Mixer", NULL, "ESL-XSP Mux"},
659 
660 	{"ESL-ASP Mux", "Left", "ASPINL"},
661 	{"ESL-ASP Mux", "Right", "ASPINR"},
662 	{"ESL-ASP Mux", "Mono Mix", "ASPINM"},
663 
664 	{"ESL-XSP Mux", "Left", "XSPINL"},
665 	{"ESL-XSP Mux", "Right", "XSPINR"},
666 	{"ESL-XSP Mux", "Mono Mix", "XSPINM"},
667 
668 	/* Speakerphone Paths */
669 	{"SPKOUT", NULL, "SPK Amp"},
670 	{"SPK Amp", "Switch", "SPK DAC"},
671 
672 	{"SPK DAC", "SPK-ASP Mono Volume", "SPK Mixer"},
673 	{"SPK DAC", "SPK-XSP Mono Volume", "SPK Mixer"},
674 	{"SPK DAC", "SPK-VSP Mono Volume", "VSPINOUT"},
675 	/* Loopback */
676 	{"SPK DAC", "SPK-IP Mono Volume", "Input Left Capture"},
677 	{"SPK DAC", "SPK-IP Mono Volume", "Input Right Capture"},
678 
679 	{"SPK Mixer", NULL, "SPK-ASP Mux"},
680 	{"SPK Mixer", NULL, "SPK-XSP Mux"},
681 
682 	{"SPK-ASP Mux", "Left", "ASPINL"},
683 	{"SPK-ASP Mux", "Mono Mix", "ASPINM"},
684 	{"SPK-ASP Mux", "Right", "ASPINR"},
685 
686 	{"SPK-XSP Mux", "Left", "XSPINL"},
687 	{"SPK-XSP Mux", "Mono Mix", "XSPINM"},
688 	{"SPK-XSP Mux", "Right", "XSPINR"},
689 
690 	/* HP LineOUT Paths */
691 	{"HPOUTA", NULL, "HP Amp"},
692 	{"HPOUTB", NULL, "HP Amp"},
693 	{"LINEOUTA", NULL, "LO Amp"},
694 	{"LINEOUTB", NULL, "LO Amp"},
695 
696 	{"HP Amp", "Switch", "HL Left DAC"},
697 	{"HP Amp", "Switch", "HL Right DAC"},
698 	{"LO Amp", "Switch", "HL Left DAC"},
699 	{"LO Amp", "Switch", "HL Right DAC"},
700 
701 	{"HL Left DAC", "HL-XSP Volume", "HL Left Mixer"},
702 	{"HL Right DAC", "HL-XSP Volume", "HL Right Mixer"},
703 	{"HL Left DAC", "HL-ASP Volume", "HL Left Mixer"},
704 	{"HL Right DAC", "HL-ASP Volume", "HL Right Mixer"},
705 	{"HL Left DAC", "HL-VSP Volume", "HL Left Mixer"},
706 	{"HL Right DAC", "HL-VSP Volume", "HL Right Mixer"},
707 	/* Loopback */
708 	{"HL Left DAC", "HL-IP Volume", "HL Left Mixer"},
709 	{"HL Right DAC", "HL-IP Volume", "HL Right Mixer"},
710 	{"HL Left Mixer", NULL, "Input Left Capture"},
711 	{"HL Right Mixer", NULL, "Input Right Capture"},
712 
713 	{"HL Left Mixer", NULL, "ASPINL"},
714 	{"HL Right Mixer", NULL, "ASPINR"},
715 	{"HL Left Mixer", NULL, "XSPINL"},
716 	{"HL Right Mixer", NULL, "XSPINR"},
717 	{"HL Left Mixer", NULL, "VSPINOUT"},
718 	{"HL Right Mixer", NULL, "VSPINOUT"},
719 
720 	{"ASPINL", NULL, "ASP Playback"},
721 	{"ASPINM", NULL, "ASP Playback"},
722 	{"ASPINR", NULL, "ASP Playback"},
723 	{"XSPINL", NULL, "XSP Playback"},
724 	{"XSPINM", NULL, "XSP Playback"},
725 	{"XSPINR", NULL, "XSP Playback"},
726 	{"VSPINOUT", NULL, "VSP Playback"},
727 
728 	/* Capture Paths */
729 	{"MIC1", NULL, "MIC1 Bias"},
730 	{"PGA Left Mux", "Mic 1", "MIC1"},
731 	{"MIC2", NULL, "MIC2 Bias"},
732 	{"PGA Right Mux", "Mic 2", "MIC2"},
733 
734 	{"PGA Left Mux", "Line A", "LINEINA"},
735 	{"PGA Right Mux", "Line B", "LINEINB"},
736 
737 	{"PGA Left", NULL, "PGA Left Mux"},
738 	{"PGA Right", NULL, "PGA Right Mux"},
739 
740 	{"ADC Left", NULL, "PGA Left"},
741 	{"ADC Right", NULL, "PGA Right"},
742 	{"DMIC Left", NULL, "DMICA"},
743 	{"DMIC Right", NULL, "DMICB"},
744 
745 	{"Input Left Capture", "ADC Left Input", "ADC Left"},
746 	{"Input Right Capture", "ADC Right Input", "ADC Right"},
747 	{"Input Left Capture", "DMIC Left Input", "DMIC Left"},
748 	{"Input Right Capture", "DMIC Right Input", "DMIC Right"},
749 
750 	/* Audio Capture */
751 	{"ASPL Output Mixer", NULL, "Input Left Capture"},
752 	{"ASPR Output Mixer", NULL, "Input Right Capture"},
753 
754 	{"ASPOUTL", "ASP-IP Volume", "ASPL Output Mixer"},
755 	{"ASPOUTR", "ASP-IP Volume", "ASPR Output Mixer"},
756 
757 	/* Auxillary Capture */
758 	{"XSPL Output Mixer", NULL, "Input Left Capture"},
759 	{"XSPR Output Mixer", NULL, "Input Right Capture"},
760 
761 	{"XSPOUTL", "XSP-IP Volume", "XSPL Output Mixer"},
762 	{"XSPOUTR", "XSP-IP Volume", "XSPR Output Mixer"},
763 
764 	{"XSPOUTL", NULL, "XSPL Output Mixer"},
765 	{"XSPOUTR", NULL, "XSPR Output Mixer"},
766 
767 	/* Voice Capture */
768 	{"VSP Output Mixer", NULL, "Input Left Capture"},
769 	{"VSP Output Mixer", NULL, "Input Right Capture"},
770 
771 	{"VSPINOUT", "VSP-IP Volume", "VSP Output Mixer"},
772 
773 	{"VSPINOUT", NULL, "VSP Output Mixer"},
774 
775 	{"ASP Capture", NULL, "ASPOUTL"},
776 	{"ASP Capture", NULL, "ASPOUTR"},
777 	{"XSP Capture", NULL, "XSPOUTL"},
778 	{"XSP Capture", NULL, "XSPOUTR"},
779 	{"VSP Capture", NULL, "VSPINOUT"},
780 };
781 
782 struct cs42l73_mclk_div {
783 	u32 mclk;
784 	u32 srate;
785 	u8 mmcc;
786 };
787 
788 static const struct cs42l73_mclk_div cs42l73_mclk_coeffs[] = {
789 	/* MCLK, Sample Rate, xMMCC[5:0] */
790 	{5644800, 11025, 0x30},
791 	{5644800, 22050, 0x20},
792 	{5644800, 44100, 0x10},
793 
794 	{6000000,  8000, 0x39},
795 	{6000000, 11025, 0x33},
796 	{6000000, 12000, 0x31},
797 	{6000000, 16000, 0x29},
798 	{6000000, 22050, 0x23},
799 	{6000000, 24000, 0x21},
800 	{6000000, 32000, 0x19},
801 	{6000000, 44100, 0x13},
802 	{6000000, 48000, 0x11},
803 
804 	{6144000,  8000, 0x38},
805 	{6144000, 12000, 0x30},
806 	{6144000, 16000, 0x28},
807 	{6144000, 24000, 0x20},
808 	{6144000, 32000, 0x18},
809 	{6144000, 48000, 0x10},
810 
811 	{6500000,  8000, 0x3C},
812 	{6500000, 11025, 0x35},
813 	{6500000, 12000, 0x34},
814 	{6500000, 16000, 0x2C},
815 	{6500000, 22050, 0x25},
816 	{6500000, 24000, 0x24},
817 	{6500000, 32000, 0x1C},
818 	{6500000, 44100, 0x15},
819 	{6500000, 48000, 0x14},
820 
821 	{6400000,  8000, 0x3E},
822 	{6400000, 11025, 0x37},
823 	{6400000, 12000, 0x36},
824 	{6400000, 16000, 0x2E},
825 	{6400000, 22050, 0x27},
826 	{6400000, 24000, 0x26},
827 	{6400000, 32000, 0x1E},
828 	{6400000, 44100, 0x17},
829 	{6400000, 48000, 0x16},
830 };
831 
832 struct cs42l73_mclkx_div {
833 	u32 mclkx;
834 	u8 ratio;
835 	u8 mclkdiv;
836 };
837 
838 static const struct cs42l73_mclkx_div cs42l73_mclkx_coeffs[] = {
839 	{5644800,  1, 0},	/* 5644800 */
840 	{6000000,  1, 0},	/* 6000000 */
841 	{6144000,  1, 0},	/* 6144000 */
842 	{11289600, 2, 2},	/* 5644800 */
843 	{12288000, 2, 2},	/* 6144000 */
844 	{12000000, 2, 2},	/* 6000000 */
845 	{13000000, 2, 2},	/* 6500000 */
846 	{19200000, 3, 3},	/* 6400000 */
847 	{24000000, 4, 4},	/* 6000000 */
848 	{26000000, 4, 4},	/* 6500000 */
849 	{38400000, 6, 5}	/* 6400000 */
850 };
851 
852 static int cs42l73_get_mclkx_coeff(int mclkx)
853 {
854 	int i;
855 
856 	for (i = 0; i < ARRAY_SIZE(cs42l73_mclkx_coeffs); i++) {
857 		if (cs42l73_mclkx_coeffs[i].mclkx == mclkx)
858 			return i;
859 	}
860 	return -EINVAL;
861 }
862 
863 static int cs42l73_get_mclk_coeff(int mclk, int srate)
864 {
865 	int i;
866 
867 	for (i = 0; i < ARRAY_SIZE(cs42l73_mclk_coeffs); i++) {
868 		if (cs42l73_mclk_coeffs[i].mclk == mclk &&
869 		    cs42l73_mclk_coeffs[i].srate == srate)
870 			return i;
871 	}
872 	return -EINVAL;
873 
874 }
875 
876 static int cs42l73_set_mclk(struct snd_soc_dai *dai, unsigned int freq)
877 {
878 	struct snd_soc_component *component = dai->component;
879 	struct cs42l73_private *priv = snd_soc_component_get_drvdata(component);
880 
881 	int mclkx_coeff;
882 	u32 mclk = 0;
883 	u8 dmmcc = 0;
884 
885 	/* MCLKX -> MCLK */
886 	mclkx_coeff = cs42l73_get_mclkx_coeff(freq);
887 	if (mclkx_coeff < 0)
888 		return mclkx_coeff;
889 
890 	mclk = cs42l73_mclkx_coeffs[mclkx_coeff].mclkx /
891 		cs42l73_mclkx_coeffs[mclkx_coeff].ratio;
892 
893 	dev_dbg(component->dev, "MCLK%u %u  <-> internal MCLK %u\n",
894 		 priv->mclksel + 1, cs42l73_mclkx_coeffs[mclkx_coeff].mclkx,
895 		 mclk);
896 
897 	dmmcc = (priv->mclksel << 4) |
898 		(cs42l73_mclkx_coeffs[mclkx_coeff].mclkdiv << 1);
899 
900 	snd_soc_component_write(component, CS42L73_DMMCC, dmmcc);
901 
902 	priv->sysclk = mclkx_coeff;
903 	priv->mclk = mclk;
904 
905 	return 0;
906 }
907 
908 static int cs42l73_set_sysclk(struct snd_soc_dai *dai,
909 			      int clk_id, unsigned int freq, int dir)
910 {
911 	struct snd_soc_component *component = dai->component;
912 	struct cs42l73_private *priv = snd_soc_component_get_drvdata(component);
913 
914 	switch (clk_id) {
915 	case CS42L73_CLKID_MCLK1:
916 		break;
917 	case CS42L73_CLKID_MCLK2:
918 		break;
919 	default:
920 		return -EINVAL;
921 	}
922 
923 	if ((cs42l73_set_mclk(dai, freq)) < 0) {
924 		dev_err(component->dev, "Unable to set MCLK for dai %s\n",
925 			dai->name);
926 		return -EINVAL;
927 	}
928 
929 	priv->mclksel = clk_id;
930 
931 	return 0;
932 }
933 
934 static int cs42l73_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
935 {
936 	struct snd_soc_component *component = codec_dai->component;
937 	struct cs42l73_private *priv = snd_soc_component_get_drvdata(component);
938 	u8 id = codec_dai->id;
939 	unsigned int inv, format;
940 	u8 spc, mmcc;
941 
942 	spc = snd_soc_component_read(component, CS42L73_SPC(id));
943 	mmcc = snd_soc_component_read(component, CS42L73_MMCC(id));
944 
945 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
946 	case SND_SOC_DAIFMT_CBM_CFM:
947 		mmcc |= CS42L73_MS_MASTER;
948 		break;
949 
950 	case SND_SOC_DAIFMT_CBS_CFS:
951 		mmcc &= ~CS42L73_MS_MASTER;
952 		break;
953 
954 	default:
955 		return -EINVAL;
956 	}
957 
958 	format = (fmt & SND_SOC_DAIFMT_FORMAT_MASK);
959 	inv = (fmt & SND_SOC_DAIFMT_INV_MASK);
960 
961 	switch (format) {
962 	case SND_SOC_DAIFMT_I2S:
963 		spc &= ~CS42L73_SPDIF_PCM;
964 		break;
965 	case SND_SOC_DAIFMT_DSP_A:
966 	case SND_SOC_DAIFMT_DSP_B:
967 		if (mmcc & CS42L73_MS_MASTER) {
968 			dev_err(component->dev,
969 				"PCM format in slave mode only\n");
970 			return -EINVAL;
971 		}
972 		if (id == CS42L73_ASP) {
973 			dev_err(component->dev,
974 				"PCM format is not supported on ASP port\n");
975 			return -EINVAL;
976 		}
977 		spc |= CS42L73_SPDIF_PCM;
978 		break;
979 	default:
980 		return -EINVAL;
981 	}
982 
983 	if (spc & CS42L73_SPDIF_PCM) {
984 		/* Clear PCM mode, clear PCM_BIT_ORDER bit for MSB->LSB */
985 		spc &= ~(CS42L73_PCM_MODE_MASK | CS42L73_PCM_BIT_ORDER);
986 		switch (format) {
987 		case SND_SOC_DAIFMT_DSP_B:
988 			if (inv == SND_SOC_DAIFMT_IB_IF)
989 				spc |= CS42L73_PCM_MODE0;
990 			if (inv == SND_SOC_DAIFMT_IB_NF)
991 				spc |= CS42L73_PCM_MODE1;
992 		break;
993 		case SND_SOC_DAIFMT_DSP_A:
994 			if (inv == SND_SOC_DAIFMT_IB_IF)
995 				spc |= CS42L73_PCM_MODE1;
996 			break;
997 		default:
998 			return -EINVAL;
999 		}
1000 	}
1001 
1002 	priv->config[id].spc = spc;
1003 	priv->config[id].mmcc = mmcc;
1004 
1005 	return 0;
1006 }
1007 
1008 static const unsigned int cs42l73_asrc_rates[] = {
1009 	8000, 11025, 12000, 16000, 22050,
1010 	24000, 32000, 44100, 48000
1011 };
1012 
1013 static unsigned int cs42l73_get_xspfs_coeff(u32 rate)
1014 {
1015 	int i;
1016 	for (i = 0; i < ARRAY_SIZE(cs42l73_asrc_rates); i++) {
1017 		if (cs42l73_asrc_rates[i] == rate)
1018 			return i + 1;
1019 	}
1020 	return 0;		/* 0 = Don't know */
1021 }
1022 
1023 static void cs42l73_update_asrc(struct snd_soc_component *component, int id, int srate)
1024 {
1025 	u8 spfs = 0;
1026 
1027 	if (srate > 0)
1028 		spfs = cs42l73_get_xspfs_coeff(srate);
1029 
1030 	switch (id) {
1031 	case CS42L73_XSP:
1032 		snd_soc_component_update_bits(component, CS42L73_VXSPFS, 0x0f, spfs);
1033 	break;
1034 	case CS42L73_ASP:
1035 		snd_soc_component_update_bits(component, CS42L73_ASPC, 0x3c, spfs << 2);
1036 	break;
1037 	case CS42L73_VSP:
1038 		snd_soc_component_update_bits(component, CS42L73_VXSPFS, 0xf0, spfs << 4);
1039 	break;
1040 	default:
1041 	break;
1042 	}
1043 }
1044 
1045 static int cs42l73_pcm_hw_params(struct snd_pcm_substream *substream,
1046 				 struct snd_pcm_hw_params *params,
1047 				 struct snd_soc_dai *dai)
1048 {
1049 	struct snd_soc_component *component = dai->component;
1050 	struct cs42l73_private *priv = snd_soc_component_get_drvdata(component);
1051 	int id = dai->id;
1052 	int mclk_coeff;
1053 	int srate = params_rate(params);
1054 
1055 	if (priv->config[id].mmcc & CS42L73_MS_MASTER) {
1056 		/* CS42L73 Master */
1057 		/* MCLK -> srate */
1058 		mclk_coeff =
1059 		    cs42l73_get_mclk_coeff(priv->mclk, srate);
1060 
1061 		if (mclk_coeff < 0)
1062 			return -EINVAL;
1063 
1064 		dev_dbg(component->dev,
1065 			 "DAI[%d]: MCLK %u, srate %u, MMCC[5:0] = %x\n",
1066 			 id, priv->mclk, srate,
1067 			 cs42l73_mclk_coeffs[mclk_coeff].mmcc);
1068 
1069 		priv->config[id].mmcc &= 0xC0;
1070 		priv->config[id].mmcc |= cs42l73_mclk_coeffs[mclk_coeff].mmcc;
1071 		priv->config[id].spc &= 0xFC;
1072 		/* Use SCLK=64*Fs if internal MCLK >= 6.4MHz */
1073 		if (priv->mclk >= 6400000)
1074 			priv->config[id].spc |= CS42L73_MCK_SCLK_64FS;
1075 		else
1076 			priv->config[id].spc |= CS42L73_MCK_SCLK_MCLK;
1077 	} else {
1078 		/* CS42L73 Slave */
1079 		priv->config[id].spc &= 0xFC;
1080 		priv->config[id].spc |= CS42L73_MCK_SCLK_64FS;
1081 	}
1082 	/* Update ASRCs */
1083 	priv->config[id].srate = srate;
1084 
1085 	snd_soc_component_write(component, CS42L73_SPC(id), priv->config[id].spc);
1086 	snd_soc_component_write(component, CS42L73_MMCC(id), priv->config[id].mmcc);
1087 
1088 	cs42l73_update_asrc(component, id, srate);
1089 
1090 	return 0;
1091 }
1092 
1093 static int cs42l73_set_bias_level(struct snd_soc_component *component,
1094 				  enum snd_soc_bias_level level)
1095 {
1096 	struct cs42l73_private *cs42l73 = snd_soc_component_get_drvdata(component);
1097 
1098 	switch (level) {
1099 	case SND_SOC_BIAS_ON:
1100 		snd_soc_component_update_bits(component, CS42L73_DMMCC, CS42L73_MCLKDIS, 0);
1101 		snd_soc_component_update_bits(component, CS42L73_PWRCTL1, CS42L73_PDN, 0);
1102 		break;
1103 
1104 	case SND_SOC_BIAS_PREPARE:
1105 		break;
1106 
1107 	case SND_SOC_BIAS_STANDBY:
1108 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
1109 			regcache_cache_only(cs42l73->regmap, false);
1110 			regcache_sync(cs42l73->regmap);
1111 		}
1112 		snd_soc_component_update_bits(component, CS42L73_PWRCTL1, CS42L73_PDN, 1);
1113 		break;
1114 
1115 	case SND_SOC_BIAS_OFF:
1116 		snd_soc_component_update_bits(component, CS42L73_PWRCTL1, CS42L73_PDN, 1);
1117 		if (cs42l73->shutdwn_delay > 0) {
1118 			mdelay(cs42l73->shutdwn_delay);
1119 			cs42l73->shutdwn_delay = 0;
1120 		} else {
1121 			mdelay(15); /* Min amount of time requred to power
1122 				     * down.
1123 				     */
1124 		}
1125 		snd_soc_component_update_bits(component, CS42L73_DMMCC, CS42L73_MCLKDIS, 1);
1126 		break;
1127 	}
1128 	return 0;
1129 }
1130 
1131 static int cs42l73_set_tristate(struct snd_soc_dai *dai, int tristate)
1132 {
1133 	struct snd_soc_component *component = dai->component;
1134 	int id = dai->id;
1135 
1136 	return snd_soc_component_update_bits(component, CS42L73_SPC(id), CS42L73_SP_3ST,
1137 				   tristate << 7);
1138 }
1139 
1140 static const struct snd_pcm_hw_constraint_list constraints_12_24 = {
1141 	.count  = ARRAY_SIZE(cs42l73_asrc_rates),
1142 	.list   = cs42l73_asrc_rates,
1143 };
1144 
1145 static int cs42l73_pcm_startup(struct snd_pcm_substream *substream,
1146 			       struct snd_soc_dai *dai)
1147 {
1148 	snd_pcm_hw_constraint_list(substream->runtime, 0,
1149 					SNDRV_PCM_HW_PARAM_RATE,
1150 					&constraints_12_24);
1151 	return 0;
1152 }
1153 
1154 
1155 #define CS42L73_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1156 	SNDRV_PCM_FMTBIT_S24_LE)
1157 
1158 static const struct snd_soc_dai_ops cs42l73_ops = {
1159 	.startup = cs42l73_pcm_startup,
1160 	.hw_params = cs42l73_pcm_hw_params,
1161 	.set_fmt = cs42l73_set_dai_fmt,
1162 	.set_sysclk = cs42l73_set_sysclk,
1163 	.set_tristate = cs42l73_set_tristate,
1164 };
1165 
1166 static struct snd_soc_dai_driver cs42l73_dai[] = {
1167 	{
1168 		.name = "cs42l73-xsp",
1169 		.id = CS42L73_XSP,
1170 		.playback = {
1171 			.stream_name = "XSP Playback",
1172 			.channels_min = 1,
1173 			.channels_max = 2,
1174 			.rates = SNDRV_PCM_RATE_KNOT,
1175 			.formats = CS42L73_FORMATS,
1176 		},
1177 		.capture = {
1178 			.stream_name = "XSP Capture",
1179 			.channels_min = 1,
1180 			.channels_max = 2,
1181 			.rates = SNDRV_PCM_RATE_KNOT,
1182 			.formats = CS42L73_FORMATS,
1183 		},
1184 		.ops = &cs42l73_ops,
1185 		.symmetric_rate = 1,
1186 	 },
1187 	{
1188 		.name = "cs42l73-asp",
1189 		.id = CS42L73_ASP,
1190 		.playback = {
1191 			.stream_name = "ASP Playback",
1192 			.channels_min = 2,
1193 			.channels_max = 2,
1194 			.rates = SNDRV_PCM_RATE_KNOT,
1195 			.formats = CS42L73_FORMATS,
1196 		},
1197 		.capture = {
1198 			.stream_name = "ASP Capture",
1199 			.channels_min = 2,
1200 			.channels_max = 2,
1201 			.rates = SNDRV_PCM_RATE_KNOT,
1202 			.formats = CS42L73_FORMATS,
1203 		},
1204 		.ops = &cs42l73_ops,
1205 		.symmetric_rate = 1,
1206 	 },
1207 	{
1208 		.name = "cs42l73-vsp",
1209 		.id = CS42L73_VSP,
1210 		.playback = {
1211 			.stream_name = "VSP Playback",
1212 			.channels_min = 1,
1213 			.channels_max = 2,
1214 			.rates = SNDRV_PCM_RATE_KNOT,
1215 			.formats = CS42L73_FORMATS,
1216 		},
1217 		.capture = {
1218 			.stream_name = "VSP Capture",
1219 			.channels_min = 1,
1220 			.channels_max = 2,
1221 			.rates = SNDRV_PCM_RATE_KNOT,
1222 			.formats = CS42L73_FORMATS,
1223 		},
1224 		.ops = &cs42l73_ops,
1225 		.symmetric_rate = 1,
1226 	 }
1227 };
1228 
1229 static int cs42l73_probe(struct snd_soc_component *component)
1230 {
1231 	struct cs42l73_private *cs42l73 = snd_soc_component_get_drvdata(component);
1232 
1233 	/* Set Charge Pump Frequency */
1234 	if (cs42l73->pdata.chgfreq)
1235 		snd_soc_component_update_bits(component, CS42L73_CPFCHC,
1236 				    CS42L73_CHARGEPUMP_MASK,
1237 					cs42l73->pdata.chgfreq << 4);
1238 
1239 	/* MCLK1 as master clk */
1240 	cs42l73->mclksel = CS42L73_CLKID_MCLK1;
1241 	cs42l73->mclk = 0;
1242 
1243 	return 0;
1244 }
1245 
1246 static const struct snd_soc_component_driver soc_component_dev_cs42l73 = {
1247 	.probe			= cs42l73_probe,
1248 	.set_bias_level		= cs42l73_set_bias_level,
1249 	.controls		= cs42l73_snd_controls,
1250 	.num_controls		= ARRAY_SIZE(cs42l73_snd_controls),
1251 	.dapm_widgets		= cs42l73_dapm_widgets,
1252 	.num_dapm_widgets	= ARRAY_SIZE(cs42l73_dapm_widgets),
1253 	.dapm_routes		= cs42l73_audio_map,
1254 	.num_dapm_routes	= ARRAY_SIZE(cs42l73_audio_map),
1255 	.suspend_bias_off	= 1,
1256 	.idle_bias_on		= 1,
1257 	.use_pmdown_time	= 1,
1258 	.endianness		= 1,
1259 };
1260 
1261 static const struct regmap_config cs42l73_regmap = {
1262 	.reg_bits = 8,
1263 	.val_bits = 8,
1264 
1265 	.max_register = CS42L73_MAX_REGISTER,
1266 	.reg_defaults = cs42l73_reg_defaults,
1267 	.num_reg_defaults = ARRAY_SIZE(cs42l73_reg_defaults),
1268 	.volatile_reg = cs42l73_volatile_register,
1269 	.readable_reg = cs42l73_readable_register,
1270 	.cache_type = REGCACHE_RBTREE,
1271 
1272 	.use_single_read = true,
1273 	.use_single_write = true,
1274 };
1275 
1276 static int cs42l73_i2c_probe(struct i2c_client *i2c_client)
1277 {
1278 	struct cs42l73_private *cs42l73;
1279 	struct cs42l73_platform_data *pdata = dev_get_platdata(&i2c_client->dev);
1280 	int ret, devid;
1281 	unsigned int reg;
1282 	u32 val32;
1283 
1284 	cs42l73 = devm_kzalloc(&i2c_client->dev, sizeof(*cs42l73), GFP_KERNEL);
1285 	if (!cs42l73)
1286 		return -ENOMEM;
1287 
1288 	cs42l73->regmap = devm_regmap_init_i2c(i2c_client, &cs42l73_regmap);
1289 	if (IS_ERR(cs42l73->regmap)) {
1290 		ret = PTR_ERR(cs42l73->regmap);
1291 		dev_err(&i2c_client->dev, "regmap_init() failed: %d\n", ret);
1292 		return ret;
1293 	}
1294 
1295 	if (pdata) {
1296 		cs42l73->pdata = *pdata;
1297 	} else {
1298 		pdata = devm_kzalloc(&i2c_client->dev, sizeof(*pdata),
1299 				     GFP_KERNEL);
1300 		if (!pdata)
1301 			return -ENOMEM;
1302 
1303 		if (i2c_client->dev.of_node) {
1304 			if (of_property_read_u32(i2c_client->dev.of_node,
1305 				"chgfreq", &val32) >= 0)
1306 				pdata->chgfreq = val32;
1307 		}
1308 		pdata->reset_gpio = of_get_named_gpio(i2c_client->dev.of_node,
1309 						"reset-gpio", 0);
1310 		cs42l73->pdata = *pdata;
1311 	}
1312 
1313 	i2c_set_clientdata(i2c_client, cs42l73);
1314 
1315 	if (cs42l73->pdata.reset_gpio) {
1316 		ret = devm_gpio_request_one(&i2c_client->dev,
1317 					    cs42l73->pdata.reset_gpio,
1318 					    GPIOF_OUT_INIT_HIGH,
1319 					    "CS42L73 /RST");
1320 		if (ret < 0) {
1321 			dev_err(&i2c_client->dev, "Failed to request /RST %d: %d\n",
1322 				cs42l73->pdata.reset_gpio, ret);
1323 			return ret;
1324 		}
1325 		gpio_set_value_cansleep(cs42l73->pdata.reset_gpio, 0);
1326 		gpio_set_value_cansleep(cs42l73->pdata.reset_gpio, 1);
1327 	}
1328 
1329 	/* initialize codec */
1330 	devid = cirrus_read_device_id(cs42l73->regmap, CS42L73_DEVID_AB);
1331 	if (devid < 0) {
1332 		ret = devid;
1333 		dev_err(&i2c_client->dev, "Failed to read device ID: %d\n", ret);
1334 		goto err_reset;
1335 	}
1336 
1337 	if (devid != CS42L73_DEVID) {
1338 		ret = -ENODEV;
1339 		dev_err(&i2c_client->dev,
1340 			"CS42L73 Device ID (%X). Expected %X\n",
1341 			devid, CS42L73_DEVID);
1342 		goto err_reset;
1343 	}
1344 
1345 	ret = regmap_read(cs42l73->regmap, CS42L73_REVID, &reg);
1346 	if (ret < 0) {
1347 		dev_err(&i2c_client->dev, "Get Revision ID failed\n");
1348 		goto err_reset;
1349 	}
1350 
1351 	dev_info(&i2c_client->dev,
1352 		 "Cirrus Logic CS42L73, Revision: %02X\n", reg & 0xFF);
1353 
1354 	ret = devm_snd_soc_register_component(&i2c_client->dev,
1355 			&soc_component_dev_cs42l73, cs42l73_dai,
1356 			ARRAY_SIZE(cs42l73_dai));
1357 	if (ret < 0)
1358 		goto err_reset;
1359 
1360 	return 0;
1361 
1362 err_reset:
1363 	gpio_set_value_cansleep(cs42l73->pdata.reset_gpio, 0);
1364 
1365 	return ret;
1366 }
1367 
1368 static const struct of_device_id cs42l73_of_match[] = {
1369 	{ .compatible = "cirrus,cs42l73", },
1370 	{},
1371 };
1372 MODULE_DEVICE_TABLE(of, cs42l73_of_match);
1373 
1374 static const struct i2c_device_id cs42l73_id[] = {
1375 	{"cs42l73", 0},
1376 	{}
1377 };
1378 
1379 MODULE_DEVICE_TABLE(i2c, cs42l73_id);
1380 
1381 static struct i2c_driver cs42l73_i2c_driver = {
1382 	.driver = {
1383 		   .name = "cs42l73",
1384 		   .of_match_table = cs42l73_of_match,
1385 		   },
1386 	.id_table = cs42l73_id,
1387 	.probe_new = cs42l73_i2c_probe,
1388 
1389 };
1390 
1391 module_i2c_driver(cs42l73_i2c_driver);
1392 
1393 MODULE_DESCRIPTION("ASoC CS42L73 driver");
1394 MODULE_AUTHOR("Georgi Vlaev, Nucleus Systems Ltd, <joe@nucleusys.com>");
1395 MODULE_AUTHOR("Brian Austin, Cirrus Logic Inc, <brian.austin@cirrus.com>");
1396 MODULE_LICENSE("GPL");
1397