xref: /openbmc/linux/sound/soc/codecs/cs42l73.c (revision 132db935)
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 
31 struct sp_config {
32 	u8 spc, mmcc, spfs;
33 	u32 srate;
34 };
35 struct  cs42l73_private {
36 	struct cs42l73_platform_data pdata;
37 	struct sp_config config[3];
38 	struct regmap *regmap;
39 	u32 sysclk;
40 	u8 mclksel;
41 	u32 mclk;
42 	int shutdwn_delay;
43 };
44 
45 static const struct reg_default cs42l73_reg_defaults[] = {
46 	{ 6, 0xF1 },	/* r06	- Power Ctl 1 */
47 	{ 7, 0xDF },	/* r07	- Power Ctl 2 */
48 	{ 8, 0x3F },	/* r08	- Power Ctl 3 */
49 	{ 9, 0x50 },	/* r09	- Charge Pump Freq */
50 	{ 10, 0x53 },	/* r0A	- Output Load MicBias Short Detect */
51 	{ 11, 0x00 },	/* r0B	- DMIC Master Clock Ctl */
52 	{ 12, 0x00 },	/* r0C	- Aux PCM Ctl */
53 	{ 13, 0x15 },	/* r0D	- Aux PCM Master Clock Ctl */
54 	{ 14, 0x00 },	/* r0E	- Audio PCM Ctl */
55 	{ 15, 0x15 },	/* r0F	- Audio PCM Master Clock Ctl */
56 	{ 16, 0x00 },	/* r10	- Voice PCM Ctl */
57 	{ 17, 0x15 },	/* r11	- Voice PCM Master Clock Ctl */
58 	{ 18, 0x00 },	/* r12	- Voice/Aux Sample Rate */
59 	{ 19, 0x06 },	/* r13	- Misc I/O Path Ctl */
60 	{ 20, 0x00 },	/* r14	- ADC Input Path Ctl */
61 	{ 21, 0x00 },	/* r15	- MICA Preamp, PGA Volume */
62 	{ 22, 0x00 },	/* r16	- MICB Preamp, PGA Volume */
63 	{ 23, 0x00 },	/* r17	- Input Path A Digital Volume */
64 	{ 24, 0x00 },	/* r18	- Input Path B Digital Volume */
65 	{ 25, 0x00 },	/* r19	- Playback Digital Ctl */
66 	{ 26, 0x00 },	/* r1A	- HP/LO Left Digital Volume */
67 	{ 27, 0x00 },	/* r1B	- HP/LO Right Digital Volume */
68 	{ 28, 0x00 },	/* r1C	- Speakerphone Digital Volume */
69 	{ 29, 0x00 },	/* r1D	- Ear/SPKLO Digital Volume */
70 	{ 30, 0x00 },	/* r1E	- HP Left Analog Volume */
71 	{ 31, 0x00 },	/* r1F	- HP Right Analog Volume */
72 	{ 32, 0x00 },	/* r20	- LO Left Analog Volume */
73 	{ 33, 0x00 },	/* r21	- LO Right Analog Volume */
74 	{ 34, 0x00 },	/* r22	- Stereo Input Path Advisory Volume */
75 	{ 35, 0x00 },	/* r23	- Aux PCM Input Advisory Volume */
76 	{ 36, 0x00 },	/* r24	- Audio PCM Input Advisory Volume */
77 	{ 37, 0x00 },	/* r25	- Voice PCM Input Advisory Volume */
78 	{ 38, 0x00 },	/* r26	- Limiter Attack Rate HP/LO */
79 	{ 39, 0x7F },	/* r27	- Limter Ctl, Release Rate HP/LO */
80 	{ 40, 0x00 },	/* r28	- Limter Threshold HP/LO */
81 	{ 41, 0x00 },	/* r29	- Limiter Attack Rate Speakerphone */
82 	{ 42, 0x3F },	/* r2A	- Limter Ctl, Release Rate Speakerphone */
83 	{ 43, 0x00 },	/* r2B	- Limter Threshold Speakerphone */
84 	{ 44, 0x00 },	/* r2C	- Limiter Attack Rate Ear/SPKLO */
85 	{ 45, 0x3F },	/* r2D	- Limter Ctl, Release Rate Ear/SPKLO */
86 	{ 46, 0x00 },	/* r2E	- Limter Threshold Ear/SPKLO */
87 	{ 47, 0x00 },	/* r2F	- ALC Enable, Attack Rate Left/Right */
88 	{ 48, 0x3F },	/* r30	- ALC Release Rate Left/Right */
89 	{ 49, 0x00 },	/* r31	- ALC Threshold Left/Right */
90 	{ 50, 0x00 },	/* r32	- Noise Gate Ctl Left/Right */
91 	{ 51, 0x00 },	/* r33	- ALC/NG Misc Ctl */
92 	{ 52, 0x18 },	/* r34	- Mixer Ctl */
93 	{ 53, 0x3F },	/* r35	- HP/LO Left Mixer Input Path Volume */
94 	{ 54, 0x3F },	/* r36	- HP/LO Right Mixer Input Path Volume */
95 	{ 55, 0x3F },	/* r37	- HP/LO Left Mixer Aux PCM Volume */
96 	{ 56, 0x3F },	/* r38	- HP/LO Right Mixer Aux PCM Volume */
97 	{ 57, 0x3F },	/* r39	- HP/LO Left Mixer Audio PCM Volume */
98 	{ 58, 0x3F },	/* r3A	- HP/LO Right Mixer Audio PCM Volume */
99 	{ 59, 0x3F },	/* r3B	- HP/LO Left Mixer Voice PCM Mono Volume */
100 	{ 60, 0x3F },	/* r3C	- HP/LO Right Mixer Voice PCM Mono Volume */
101 	{ 61, 0x3F },	/* r3D	- Aux PCM Left Mixer Input Path Volume */
102 	{ 62, 0x3F },	/* r3E	- Aux PCM Right Mixer Input Path Volume */
103 	{ 63, 0x3F },	/* r3F	- Aux PCM Left Mixer Volume */
104 	{ 64, 0x3F },	/* r40	- Aux PCM Left Mixer Volume */
105 	{ 65, 0x3F },	/* r41	- Aux PCM Left Mixer Audio PCM L Volume */
106 	{ 66, 0x3F },	/* r42	- Aux PCM Right Mixer Audio PCM R Volume */
107 	{ 67, 0x3F },	/* r43	- Aux PCM Left Mixer Voice PCM Volume */
108 	{ 68, 0x3F },	/* r44	- Aux PCM Right Mixer Voice PCM Volume */
109 	{ 69, 0x3F },	/* r45	- Audio PCM Left Input Path Volume */
110 	{ 70, 0x3F },	/* r46	- Audio PCM Right Input Path Volume */
111 	{ 71, 0x3F },	/* r47	- Audio PCM Left Mixer Aux PCM L Volume */
112 	{ 72, 0x3F },	/* r48	- Audio PCM Right Mixer Aux PCM R Volume */
113 	{ 73, 0x3F },	/* r49	- Audio PCM Left Mixer Volume */
114 	{ 74, 0x3F },	/* r4A	- Audio PCM Right Mixer Volume */
115 	{ 75, 0x3F },	/* r4B	- Audio PCM Left Mixer Voice PCM Volume */
116 	{ 76, 0x3F },	/* r4C	- Audio PCM Right Mixer Voice PCM Volume */
117 	{ 77, 0x3F },	/* r4D	- Voice PCM Left Input Path Volume */
118 	{ 78, 0x3F },	/* r4E	- Voice PCM Right Input Path Volume */
119 	{ 79, 0x3F },	/* r4F	- Voice PCM Left Mixer Aux PCM L Volume */
120 	{ 80, 0x3F },	/* r50	- Voice PCM Right Mixer Aux PCM R Volume */
121 	{ 81, 0x3F },	/* r51	- Voice PCM Left Mixer Audio PCM L Volume */
122 	{ 82, 0x3F },	/* r52	- Voice PCM Right Mixer Audio PCM R Volume */
123 	{ 83, 0x3F },	/* r53	- Voice PCM Left Mixer Voice PCM Volume */
124 	{ 84, 0x3F },	/* r54	- Voice PCM Right Mixer Voice PCM Volume */
125 	{ 85, 0xAA },	/* r55	- Mono Mixer Ctl */
126 	{ 86, 0x3F },	/* r56	- SPK Mono Mixer Input Path Volume */
127 	{ 87, 0x3F },	/* r57	- SPK Mono Mixer Aux PCM Mono/L/R Volume */
128 	{ 88, 0x3F },	/* r58	- SPK Mono Mixer Audio PCM Mono/L/R Volume */
129 	{ 89, 0x3F },	/* r59	- SPK Mono Mixer Voice PCM Mono Volume */
130 	{ 90, 0x3F },	/* r5A	- SPKLO Mono Mixer Input Path Mono Volume */
131 	{ 91, 0x3F },	/* r5B	- SPKLO Mono Mixer Aux Mono/L/R Volume */
132 	{ 92, 0x3F },	/* r5C	- SPKLO Mono Mixer Audio Mono/L/R Volume */
133 	{ 93, 0x3F },	/* r5D	- SPKLO Mono Mixer Voice Mono Volume */
134 	{ 94, 0x00 },	/* r5E	- Interrupt Mask 1 */
135 	{ 95, 0x00 },	/* r5F	- Interrupt Mask 2 */
136 };
137 
138 static bool cs42l73_volatile_register(struct device *dev, unsigned int reg)
139 {
140 	switch (reg) {
141 	case CS42L73_IS1:
142 	case CS42L73_IS2:
143 		return true;
144 	default:
145 		return false;
146 	}
147 }
148 
149 static bool cs42l73_readable_register(struct device *dev, unsigned int reg)
150 {
151 	switch (reg) {
152 	case CS42L73_DEVID_AB ... CS42L73_DEVID_E:
153 	case CS42L73_REVID ... CS42L73_IM2:
154 		return true;
155 	default:
156 		return false;
157 	}
158 }
159 
160 static const DECLARE_TLV_DB_RANGE(hpaloa_tlv,
161 	0, 13, TLV_DB_SCALE_ITEM(-7600, 200, 0),
162 	14, 75, TLV_DB_SCALE_ITEM(-4900, 100, 0)
163 );
164 
165 static DECLARE_TLV_DB_SCALE(adc_boost_tlv, 0, 2500, 0);
166 
167 static DECLARE_TLV_DB_SCALE(hl_tlv, -10200, 50, 0);
168 
169 static DECLARE_TLV_DB_SCALE(ipd_tlv, -9600, 100, 0);
170 
171 static DECLARE_TLV_DB_SCALE(micpga_tlv, -600, 50, 0);
172 
173 static const DECLARE_TLV_DB_RANGE(limiter_tlv,
174 	0, 2, TLV_DB_SCALE_ITEM(-3000, 600, 0),
175 	3, 7, TLV_DB_SCALE_ITEM(-1200, 300, 0)
176 );
177 
178 static const DECLARE_TLV_DB_SCALE(attn_tlv, -6300, 100, 1);
179 
180 static const char * const cs42l73_pgaa_text[] = { "Line A", "Mic 1" };
181 static const char * const cs42l73_pgab_text[] = { "Line B", "Mic 2" };
182 
183 static SOC_ENUM_SINGLE_DECL(pgaa_enum,
184 			    CS42L73_ADCIPC, 3,
185 			    cs42l73_pgaa_text);
186 
187 static SOC_ENUM_SINGLE_DECL(pgab_enum,
188 			    CS42L73_ADCIPC, 7,
189 			    cs42l73_pgab_text);
190 
191 static const struct snd_kcontrol_new pgaa_mux =
192 	SOC_DAPM_ENUM("Left Analog Input Capture Mux", pgaa_enum);
193 
194 static const struct snd_kcontrol_new pgab_mux =
195 	SOC_DAPM_ENUM("Right Analog Input Capture Mux", pgab_enum);
196 
197 static const struct snd_kcontrol_new input_left_mixer[] = {
198 	SOC_DAPM_SINGLE("ADC Left Input", CS42L73_PWRCTL1,
199 			5, 1, 1),
200 	SOC_DAPM_SINGLE("DMIC Left Input", CS42L73_PWRCTL1,
201 			4, 1, 1),
202 };
203 
204 static const struct snd_kcontrol_new input_right_mixer[] = {
205 	SOC_DAPM_SINGLE("ADC Right Input", CS42L73_PWRCTL1,
206 			7, 1, 1),
207 	SOC_DAPM_SINGLE("DMIC Right Input", CS42L73_PWRCTL1,
208 			6, 1, 1),
209 };
210 
211 static const char * const cs42l73_ng_delay_text[] = {
212 	"50ms", "100ms", "150ms", "200ms" };
213 
214 static SOC_ENUM_SINGLE_DECL(ng_delay_enum,
215 			    CS42L73_NGCAB, 0,
216 			    cs42l73_ng_delay_text);
217 
218 static const char * const cs42l73_mono_mix_texts[] = {
219 	"Left", "Right", "Mono Mix"};
220 
221 static const unsigned int cs42l73_mono_mix_values[] = { 0, 1, 2 };
222 
223 static const struct soc_enum spk_asp_enum =
224 	SOC_VALUE_ENUM_SINGLE(CS42L73_MMIXCTL, 6, 3,
225 			      ARRAY_SIZE(cs42l73_mono_mix_texts),
226 			      cs42l73_mono_mix_texts,
227 			      cs42l73_mono_mix_values);
228 
229 static const struct snd_kcontrol_new spk_asp_mixer =
230 	SOC_DAPM_ENUM("Route", spk_asp_enum);
231 
232 static const struct soc_enum spk_xsp_enum =
233 	SOC_VALUE_ENUM_SINGLE(CS42L73_MMIXCTL, 4, 3,
234 			      ARRAY_SIZE(cs42l73_mono_mix_texts),
235 			      cs42l73_mono_mix_texts,
236 			      cs42l73_mono_mix_values);
237 
238 static const struct snd_kcontrol_new spk_xsp_mixer =
239 	SOC_DAPM_ENUM("Route", spk_xsp_enum);
240 
241 static const struct soc_enum esl_asp_enum =
242 	SOC_VALUE_ENUM_SINGLE(CS42L73_MMIXCTL, 2, 3,
243 			      ARRAY_SIZE(cs42l73_mono_mix_texts),
244 			      cs42l73_mono_mix_texts,
245 			      cs42l73_mono_mix_values);
246 
247 static const struct snd_kcontrol_new esl_asp_mixer =
248 	SOC_DAPM_ENUM("Route", esl_asp_enum);
249 
250 static const struct soc_enum esl_xsp_enum =
251 	SOC_VALUE_ENUM_SINGLE(CS42L73_MMIXCTL, 0, 3,
252 			      ARRAY_SIZE(cs42l73_mono_mix_texts),
253 			      cs42l73_mono_mix_texts,
254 			      cs42l73_mono_mix_values);
255 
256 static const struct snd_kcontrol_new esl_xsp_mixer =
257 	SOC_DAPM_ENUM("Route", esl_xsp_enum);
258 
259 static const char * const cs42l73_ip_swap_text[] = {
260 	"Stereo", "Mono A", "Mono B", "Swap A-B"};
261 
262 static SOC_ENUM_SINGLE_DECL(ip_swap_enum,
263 			    CS42L73_MIOPC, 6,
264 			    cs42l73_ip_swap_text);
265 
266 static const char * const cs42l73_spo_mixer_text[] = {"Mono", "Stereo"};
267 
268 static SOC_ENUM_SINGLE_DECL(vsp_output_mux_enum,
269 			    CS42L73_MIXERCTL, 5,
270 			    cs42l73_spo_mixer_text);
271 
272 static SOC_ENUM_SINGLE_DECL(xsp_output_mux_enum,
273 			    CS42L73_MIXERCTL, 4,
274 			    cs42l73_spo_mixer_text);
275 
276 static const struct snd_kcontrol_new hp_amp_ctl =
277 	SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 0, 1, 1);
278 
279 static const struct snd_kcontrol_new lo_amp_ctl =
280 	SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 1, 1, 1);
281 
282 static const struct snd_kcontrol_new spk_amp_ctl =
283 	SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 2, 1, 1);
284 
285 static const struct snd_kcontrol_new spklo_amp_ctl =
286 	SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 4, 1, 1);
287 
288 static const struct snd_kcontrol_new ear_amp_ctl =
289 	SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 3, 1, 1);
290 
291 static const struct snd_kcontrol_new cs42l73_snd_controls[] = {
292 	SOC_DOUBLE_R_SX_TLV("Headphone Analog Playback Volume",
293 			CS42L73_HPAAVOL, CS42L73_HPBAVOL, 0,
294 			0x41, 0x4B, hpaloa_tlv),
295 
296 	SOC_DOUBLE_R_SX_TLV("LineOut Analog Playback Volume", CS42L73_LOAAVOL,
297 			CS42L73_LOBAVOL, 0, 0x41, 0x4B, hpaloa_tlv),
298 
299 	SOC_DOUBLE_R_SX_TLV("Input PGA Analog Volume", CS42L73_MICAPREPGAAVOL,
300 			CS42L73_MICBPREPGABVOL, 0, 0x34,
301 			0x24, micpga_tlv),
302 
303 	SOC_DOUBLE_R("MIC Preamp Switch", CS42L73_MICAPREPGAAVOL,
304 			CS42L73_MICBPREPGABVOL, 6, 1, 1),
305 
306 	SOC_DOUBLE_R_SX_TLV("Input Path Digital Volume", CS42L73_IPADVOL,
307 			CS42L73_IPBDVOL, 0, 0xA0, 0x6C, ipd_tlv),
308 
309 	SOC_DOUBLE_R_SX_TLV("HL Digital Playback Volume",
310 			CS42L73_HLADVOL, CS42L73_HLBDVOL,
311 			0, 0x34, 0xE4, hl_tlv),
312 
313 	SOC_SINGLE_TLV("ADC A Boost Volume",
314 			CS42L73_ADCIPC, 2, 0x01, 1, adc_boost_tlv),
315 
316 	SOC_SINGLE_TLV("ADC B Boost Volume",
317 		       CS42L73_ADCIPC, 6, 0x01, 1, adc_boost_tlv),
318 
319 	SOC_SINGLE_SX_TLV("Speakerphone Digital Volume",
320 			    CS42L73_SPKDVOL, 0, 0x34, 0xE4, hl_tlv),
321 
322 	SOC_SINGLE_SX_TLV("Ear Speaker Digital Volume",
323 			    CS42L73_ESLDVOL, 0, 0x34, 0xE4, hl_tlv),
324 
325 	SOC_DOUBLE_R("Headphone Analog Playback Switch", CS42L73_HPAAVOL,
326 			CS42L73_HPBAVOL, 7, 1, 1),
327 
328 	SOC_DOUBLE_R("LineOut Analog Playback Switch", CS42L73_LOAAVOL,
329 			CS42L73_LOBAVOL, 7, 1, 1),
330 	SOC_DOUBLE("Input Path Digital Switch", CS42L73_ADCIPC, 0, 4, 1, 1),
331 	SOC_DOUBLE("HL Digital Playback Switch", CS42L73_PBDC, 0,
332 			1, 1, 1),
333 	SOC_SINGLE("Speakerphone Digital Playback Switch", CS42L73_PBDC, 2, 1,
334 			1),
335 	SOC_SINGLE("Ear Speaker Digital Playback Switch", CS42L73_PBDC, 3, 1,
336 			1),
337 
338 	SOC_SINGLE("PGA Soft-Ramp Switch", CS42L73_MIOPC, 3, 1, 0),
339 	SOC_SINGLE("Analog Zero Cross Switch", CS42L73_MIOPC, 2, 1, 0),
340 	SOC_SINGLE("Digital Soft-Ramp Switch", CS42L73_MIOPC, 1, 1, 0),
341 	SOC_SINGLE("Analog Output Soft-Ramp Switch", CS42L73_MIOPC, 0, 1, 0),
342 
343 	SOC_DOUBLE("ADC Signal Polarity Switch", CS42L73_ADCIPC, 1, 5, 1,
344 			0),
345 
346 	SOC_SINGLE("HL Limiter Attack Rate", CS42L73_LIMARATEHL, 0, 0x3F,
347 			0),
348 	SOC_SINGLE("HL Limiter Release Rate", CS42L73_LIMRRATEHL, 0,
349 			0x3F, 0),
350 
351 
352 	SOC_SINGLE("HL Limiter Switch", CS42L73_LIMRRATEHL, 7, 1, 0),
353 	SOC_SINGLE("HL Limiter All Channels Switch", CS42L73_LIMRRATEHL, 6, 1,
354 			0),
355 
356 	SOC_SINGLE_TLV("HL Limiter Max Threshold Volume", CS42L73_LMAXHL, 5, 7,
357 			1, limiter_tlv),
358 
359 	SOC_SINGLE_TLV("HL Limiter Cushion Volume", CS42L73_LMAXHL, 2, 7, 1,
360 			limiter_tlv),
361 
362 	SOC_SINGLE("SPK Limiter Attack Rate Volume", CS42L73_LIMARATESPK, 0,
363 			0x3F, 0),
364 	SOC_SINGLE("SPK Limiter Release Rate Volume", CS42L73_LIMRRATESPK, 0,
365 			0x3F, 0),
366 	SOC_SINGLE("SPK Limiter Switch", CS42L73_LIMRRATESPK, 7, 1, 0),
367 	SOC_SINGLE("SPK Limiter All Channels Switch", CS42L73_LIMRRATESPK,
368 			6, 1, 0),
369 	SOC_SINGLE_TLV("SPK Limiter Max Threshold Volume", CS42L73_LMAXSPK, 5,
370 			7, 1, limiter_tlv),
371 
372 	SOC_SINGLE_TLV("SPK Limiter Cushion Volume", CS42L73_LMAXSPK, 2, 7, 1,
373 			limiter_tlv),
374 
375 	SOC_SINGLE("ESL Limiter Attack Rate Volume", CS42L73_LIMARATEESL, 0,
376 			0x3F, 0),
377 	SOC_SINGLE("ESL Limiter Release Rate Volume", CS42L73_LIMRRATEESL, 0,
378 			0x3F, 0),
379 	SOC_SINGLE("ESL Limiter Switch", CS42L73_LIMRRATEESL, 7, 1, 0),
380 	SOC_SINGLE_TLV("ESL Limiter Max Threshold Volume", CS42L73_LMAXESL, 5,
381 			7, 1, limiter_tlv),
382 
383 	SOC_SINGLE_TLV("ESL Limiter Cushion Volume", CS42L73_LMAXESL, 2, 7, 1,
384 			limiter_tlv),
385 
386 	SOC_SINGLE("ALC Attack Rate Volume", CS42L73_ALCARATE, 0, 0x3F, 0),
387 	SOC_SINGLE("ALC Release Rate Volume", CS42L73_ALCRRATE, 0, 0x3F, 0),
388 	SOC_DOUBLE("ALC Switch", CS42L73_ALCARATE, 6, 7, 1, 0),
389 	SOC_SINGLE_TLV("ALC Max Threshold Volume", CS42L73_ALCMINMAX, 5, 7, 0,
390 			limiter_tlv),
391 	SOC_SINGLE_TLV("ALC Min Threshold Volume", CS42L73_ALCMINMAX, 2, 7, 0,
392 			limiter_tlv),
393 
394 	SOC_DOUBLE("NG Enable Switch", CS42L73_NGCAB, 6, 7, 1, 0),
395 	SOC_SINGLE("NG Boost Switch", CS42L73_NGCAB, 5, 1, 0),
396 	/*
397 	    NG Threshold depends on NG_BOOTSAB, which selects
398 	    between two threshold scales in decibels.
399 	    Set linear values for now ..
400 	*/
401 	SOC_SINGLE("NG Threshold", CS42L73_NGCAB, 2, 7, 0),
402 	SOC_ENUM("NG Delay", ng_delay_enum),
403 
404 	SOC_DOUBLE_R_TLV("XSP-IP Volume",
405 			CS42L73_XSPAIPAA, CS42L73_XSPBIPBA, 0, 0x3F, 1,
406 			attn_tlv),
407 	SOC_DOUBLE_R_TLV("XSP-XSP Volume",
408 			CS42L73_XSPAXSPAA, CS42L73_XSPBXSPBA, 0, 0x3F, 1,
409 			attn_tlv),
410 	SOC_DOUBLE_R_TLV("XSP-ASP Volume",
411 			CS42L73_XSPAASPAA, CS42L73_XSPAASPBA, 0, 0x3F, 1,
412 			attn_tlv),
413 	SOC_DOUBLE_R_TLV("XSP-VSP Volume",
414 			CS42L73_XSPAVSPMA, CS42L73_XSPBVSPMA, 0, 0x3F, 1,
415 			attn_tlv),
416 
417 	SOC_DOUBLE_R_TLV("ASP-IP Volume",
418 			CS42L73_ASPAIPAA, CS42L73_ASPBIPBA, 0, 0x3F, 1,
419 			attn_tlv),
420 	SOC_DOUBLE_R_TLV("ASP-XSP Volume",
421 			CS42L73_ASPAXSPAA, CS42L73_ASPBXSPBA, 0, 0x3F, 1,
422 			attn_tlv),
423 	SOC_DOUBLE_R_TLV("ASP-ASP Volume",
424 			CS42L73_ASPAASPAA, CS42L73_ASPBASPBA, 0, 0x3F, 1,
425 			attn_tlv),
426 	SOC_DOUBLE_R_TLV("ASP-VSP Volume",
427 			CS42L73_ASPAVSPMA, CS42L73_ASPBVSPMA, 0, 0x3F, 1,
428 			attn_tlv),
429 
430 	SOC_DOUBLE_R_TLV("VSP-IP Volume",
431 			CS42L73_VSPAIPAA, CS42L73_VSPBIPBA, 0, 0x3F, 1,
432 			attn_tlv),
433 	SOC_DOUBLE_R_TLV("VSP-XSP Volume",
434 			CS42L73_VSPAXSPAA, CS42L73_VSPBXSPBA, 0, 0x3F, 1,
435 			attn_tlv),
436 	SOC_DOUBLE_R_TLV("VSP-ASP Volume",
437 			CS42L73_VSPAASPAA, CS42L73_VSPBASPBA, 0, 0x3F, 1,
438 			attn_tlv),
439 	SOC_DOUBLE_R_TLV("VSP-VSP Volume",
440 			CS42L73_VSPAVSPMA, CS42L73_VSPBVSPMA, 0, 0x3F, 1,
441 			attn_tlv),
442 
443 	SOC_DOUBLE_R_TLV("HL-IP Volume",
444 			CS42L73_HLAIPAA, CS42L73_HLBIPBA, 0, 0x3F, 1,
445 			attn_tlv),
446 	SOC_DOUBLE_R_TLV("HL-XSP Volume",
447 			CS42L73_HLAXSPAA, CS42L73_HLBXSPBA, 0, 0x3F, 1,
448 			attn_tlv),
449 	SOC_DOUBLE_R_TLV("HL-ASP Volume",
450 			CS42L73_HLAASPAA, CS42L73_HLBASPBA, 0, 0x3F, 1,
451 			attn_tlv),
452 	SOC_DOUBLE_R_TLV("HL-VSP Volume",
453 			CS42L73_HLAVSPMA, CS42L73_HLBVSPMA, 0, 0x3F, 1,
454 			attn_tlv),
455 
456 	SOC_SINGLE_TLV("SPK-IP Mono Volume",
457 			CS42L73_SPKMIPMA, 0, 0x3F, 1, attn_tlv),
458 	SOC_SINGLE_TLV("SPK-XSP Mono Volume",
459 			CS42L73_SPKMXSPA, 0, 0x3F, 1, attn_tlv),
460 	SOC_SINGLE_TLV("SPK-ASP Mono Volume",
461 			CS42L73_SPKMASPA, 0, 0x3F, 1, attn_tlv),
462 	SOC_SINGLE_TLV("SPK-VSP Mono Volume",
463 			CS42L73_SPKMVSPMA, 0, 0x3F, 1, attn_tlv),
464 
465 	SOC_SINGLE_TLV("ESL-IP Mono Volume",
466 			CS42L73_ESLMIPMA, 0, 0x3F, 1, attn_tlv),
467 	SOC_SINGLE_TLV("ESL-XSP Mono Volume",
468 			CS42L73_ESLMXSPA, 0, 0x3F, 1, attn_tlv),
469 	SOC_SINGLE_TLV("ESL-ASP Mono Volume",
470 			CS42L73_ESLMASPA, 0, 0x3F, 1, attn_tlv),
471 	SOC_SINGLE_TLV("ESL-VSP Mono Volume",
472 			CS42L73_ESLMVSPMA, 0, 0x3F, 1, attn_tlv),
473 
474 	SOC_ENUM("IP Digital Swap/Mono Select", ip_swap_enum),
475 
476 	SOC_ENUM("VSPOUT Mono/Stereo Select", vsp_output_mux_enum),
477 	SOC_ENUM("XSPOUT Mono/Stereo Select", xsp_output_mux_enum),
478 };
479 
480 static int cs42l73_spklo_spk_amp_event(struct snd_soc_dapm_widget *w,
481 	struct snd_kcontrol *kcontrol, int event)
482 {
483 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
484 	struct cs42l73_private *priv = snd_soc_component_get_drvdata(component);
485 	switch (event) {
486 	case SND_SOC_DAPM_POST_PMD:
487 		/* 150 ms delay between setting PDN and MCLKDIS */
488 		priv->shutdwn_delay = 150;
489 		break;
490 	default:
491 		pr_err("Invalid event = 0x%x\n", event);
492 	}
493 	return 0;
494 }
495 
496 static int cs42l73_ear_amp_event(struct snd_soc_dapm_widget *w,
497 	struct snd_kcontrol *kcontrol, int event)
498 {
499 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
500 	struct cs42l73_private *priv = snd_soc_component_get_drvdata(component);
501 	switch (event) {
502 	case SND_SOC_DAPM_POST_PMD:
503 		/* 50 ms delay between setting PDN and MCLKDIS */
504 		if (priv->shutdwn_delay < 50)
505 			priv->shutdwn_delay = 50;
506 		break;
507 	default:
508 		pr_err("Invalid event = 0x%x\n", event);
509 	}
510 	return 0;
511 }
512 
513 
514 static int cs42l73_hp_amp_event(struct snd_soc_dapm_widget *w,
515 	struct snd_kcontrol *kcontrol, int event)
516 {
517 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
518 	struct cs42l73_private *priv = snd_soc_component_get_drvdata(component);
519 	switch (event) {
520 	case SND_SOC_DAPM_POST_PMD:
521 		/* 30 ms delay between setting PDN and MCLKDIS */
522 		if (priv->shutdwn_delay < 30)
523 			priv->shutdwn_delay = 30;
524 		break;
525 	default:
526 		pr_err("Invalid event = 0x%x\n", event);
527 	}
528 	return 0;
529 }
530 
531 static const struct snd_soc_dapm_widget cs42l73_dapm_widgets[] = {
532 	SND_SOC_DAPM_INPUT("DMICA"),
533 	SND_SOC_DAPM_INPUT("DMICB"),
534 	SND_SOC_DAPM_INPUT("LINEINA"),
535 	SND_SOC_DAPM_INPUT("LINEINB"),
536 	SND_SOC_DAPM_INPUT("MIC1"),
537 	SND_SOC_DAPM_SUPPLY("MIC1 Bias", CS42L73_PWRCTL2, 6, 1, NULL, 0),
538 	SND_SOC_DAPM_INPUT("MIC2"),
539 	SND_SOC_DAPM_SUPPLY("MIC2 Bias", CS42L73_PWRCTL2, 7, 1, NULL, 0),
540 
541 	SND_SOC_DAPM_AIF_OUT("XSPOUTL", NULL,  0,
542 			CS42L73_PWRCTL2, 1, 1),
543 	SND_SOC_DAPM_AIF_OUT("XSPOUTR", NULL,  0,
544 			CS42L73_PWRCTL2, 1, 1),
545 	SND_SOC_DAPM_AIF_OUT("ASPOUTL", NULL,  0,
546 			CS42L73_PWRCTL2, 3, 1),
547 	SND_SOC_DAPM_AIF_OUT("ASPOUTR", NULL,  0,
548 			CS42L73_PWRCTL2, 3, 1),
549 	SND_SOC_DAPM_AIF_OUT("VSPINOUT", NULL,  0,
550 			CS42L73_PWRCTL2, 4, 1),
551 
552 	SND_SOC_DAPM_PGA("PGA Left", SND_SOC_NOPM, 0, 0, NULL, 0),
553 	SND_SOC_DAPM_PGA("PGA Right", SND_SOC_NOPM, 0, 0, NULL, 0),
554 
555 	SND_SOC_DAPM_MUX("PGA Left Mux", SND_SOC_NOPM, 0, 0, &pgaa_mux),
556 	SND_SOC_DAPM_MUX("PGA Right Mux", SND_SOC_NOPM, 0, 0, &pgab_mux),
557 
558 	SND_SOC_DAPM_ADC("ADC Left", NULL, CS42L73_PWRCTL1, 7, 1),
559 	SND_SOC_DAPM_ADC("ADC Right", NULL, CS42L73_PWRCTL1, 5, 1),
560 	SND_SOC_DAPM_ADC("DMIC Left", NULL, CS42L73_PWRCTL1, 6, 1),
561 	SND_SOC_DAPM_ADC("DMIC Right", NULL, CS42L73_PWRCTL1, 4, 1),
562 
563 	SND_SOC_DAPM_MIXER_NAMED_CTL("Input Left Capture", SND_SOC_NOPM,
564 			 0, 0, input_left_mixer,
565 			 ARRAY_SIZE(input_left_mixer)),
566 
567 	SND_SOC_DAPM_MIXER_NAMED_CTL("Input Right Capture", SND_SOC_NOPM,
568 			0, 0, input_right_mixer,
569 			ARRAY_SIZE(input_right_mixer)),
570 
571 	SND_SOC_DAPM_MIXER("ASPL Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
572 	SND_SOC_DAPM_MIXER("ASPR Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
573 	SND_SOC_DAPM_MIXER("XSPL Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
574 	SND_SOC_DAPM_MIXER("XSPR Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
575 	SND_SOC_DAPM_MIXER("VSP Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
576 
577 	SND_SOC_DAPM_AIF_IN("XSPINL", NULL, 0,
578 				CS42L73_PWRCTL2, 0, 1),
579 	SND_SOC_DAPM_AIF_IN("XSPINR", NULL, 0,
580 				CS42L73_PWRCTL2, 0, 1),
581 	SND_SOC_DAPM_AIF_IN("XSPINM", NULL, 0,
582 				CS42L73_PWRCTL2, 0, 1),
583 
584 	SND_SOC_DAPM_AIF_IN("ASPINL", NULL, 0,
585 				CS42L73_PWRCTL2, 2, 1),
586 	SND_SOC_DAPM_AIF_IN("ASPINR", NULL, 0,
587 				CS42L73_PWRCTL2, 2, 1),
588 	SND_SOC_DAPM_AIF_IN("ASPINM", NULL, 0,
589 				CS42L73_PWRCTL2, 2, 1),
590 
591 	SND_SOC_DAPM_AIF_IN("VSPINOUT", NULL, 0,
592 				CS42L73_PWRCTL2, 4, 1),
593 
594 	SND_SOC_DAPM_MIXER("HL Left Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
595 	SND_SOC_DAPM_MIXER("HL Right Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
596 	SND_SOC_DAPM_MIXER("SPK Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
597 	SND_SOC_DAPM_MIXER("ESL Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
598 
599 	SND_SOC_DAPM_MUX("ESL-XSP Mux", SND_SOC_NOPM,
600 			 0, 0, &esl_xsp_mixer),
601 
602 	SND_SOC_DAPM_MUX("ESL-ASP Mux", SND_SOC_NOPM,
603 			 0, 0, &esl_asp_mixer),
604 
605 	SND_SOC_DAPM_MUX("SPK-ASP Mux", SND_SOC_NOPM,
606 			 0, 0, &spk_asp_mixer),
607 
608 	SND_SOC_DAPM_MUX("SPK-XSP Mux", SND_SOC_NOPM,
609 			 0, 0, &spk_xsp_mixer),
610 
611 	SND_SOC_DAPM_PGA("HL Left DAC", SND_SOC_NOPM, 0, 0, NULL, 0),
612 	SND_SOC_DAPM_PGA("HL Right DAC", SND_SOC_NOPM, 0, 0, NULL, 0),
613 	SND_SOC_DAPM_PGA("SPK DAC", SND_SOC_NOPM, 0, 0, NULL, 0),
614 	SND_SOC_DAPM_PGA("ESL DAC", SND_SOC_NOPM, 0, 0, NULL, 0),
615 
616 	SND_SOC_DAPM_SWITCH_E("HP Amp",  CS42L73_PWRCTL3, 0, 1,
617 			    &hp_amp_ctl, cs42l73_hp_amp_event,
618 			SND_SOC_DAPM_POST_PMD),
619 	SND_SOC_DAPM_SWITCH("LO Amp", CS42L73_PWRCTL3, 1, 1,
620 			    &lo_amp_ctl),
621 	SND_SOC_DAPM_SWITCH_E("SPK Amp", CS42L73_PWRCTL3, 2, 1,
622 			&spk_amp_ctl, cs42l73_spklo_spk_amp_event,
623 			SND_SOC_DAPM_POST_PMD),
624 	SND_SOC_DAPM_SWITCH_E("EAR Amp", CS42L73_PWRCTL3, 3, 1,
625 			    &ear_amp_ctl, cs42l73_ear_amp_event,
626 			SND_SOC_DAPM_POST_PMD),
627 	SND_SOC_DAPM_SWITCH_E("SPKLO Amp", CS42L73_PWRCTL3, 4, 1,
628 			    &spklo_amp_ctl, cs42l73_spklo_spk_amp_event,
629 			SND_SOC_DAPM_POST_PMD),
630 
631 	SND_SOC_DAPM_OUTPUT("HPOUTA"),
632 	SND_SOC_DAPM_OUTPUT("HPOUTB"),
633 	SND_SOC_DAPM_OUTPUT("LINEOUTA"),
634 	SND_SOC_DAPM_OUTPUT("LINEOUTB"),
635 	SND_SOC_DAPM_OUTPUT("EAROUT"),
636 	SND_SOC_DAPM_OUTPUT("SPKOUT"),
637 	SND_SOC_DAPM_OUTPUT("SPKLINEOUT"),
638 };
639 
640 static const struct snd_soc_dapm_route cs42l73_audio_map[] = {
641 
642 	/* SPKLO EARSPK Paths */
643 	{"EAROUT", NULL, "EAR Amp"},
644 	{"SPKLINEOUT", NULL, "SPKLO Amp"},
645 
646 	{"EAR Amp", "Switch", "ESL DAC"},
647 	{"SPKLO Amp", "Switch", "ESL DAC"},
648 
649 	{"ESL DAC", "ESL-ASP Mono Volume", "ESL Mixer"},
650 	{"ESL DAC", "ESL-XSP Mono Volume", "ESL Mixer"},
651 	{"ESL DAC", "ESL-VSP Mono Volume", "VSPINOUT"},
652 	/* Loopback */
653 	{"ESL DAC", "ESL-IP Mono Volume", "Input Left Capture"},
654 	{"ESL DAC", "ESL-IP Mono Volume", "Input Right Capture"},
655 
656 	{"ESL Mixer", NULL, "ESL-ASP Mux"},
657 	{"ESL Mixer", NULL, "ESL-XSP Mux"},
658 
659 	{"ESL-ASP Mux", "Left", "ASPINL"},
660 	{"ESL-ASP Mux", "Right", "ASPINR"},
661 	{"ESL-ASP Mux", "Mono Mix", "ASPINM"},
662 
663 	{"ESL-XSP Mux", "Left", "XSPINL"},
664 	{"ESL-XSP Mux", "Right", "XSPINR"},
665 	{"ESL-XSP Mux", "Mono Mix", "XSPINM"},
666 
667 	/* Speakerphone Paths */
668 	{"SPKOUT", NULL, "SPK Amp"},
669 	{"SPK Amp", "Switch", "SPK DAC"},
670 
671 	{"SPK DAC", "SPK-ASP Mono Volume", "SPK Mixer"},
672 	{"SPK DAC", "SPK-XSP Mono Volume", "SPK Mixer"},
673 	{"SPK DAC", "SPK-VSP Mono Volume", "VSPINOUT"},
674 	/* Loopback */
675 	{"SPK DAC", "SPK-IP Mono Volume", "Input Left Capture"},
676 	{"SPK DAC", "SPK-IP Mono Volume", "Input Right Capture"},
677 
678 	{"SPK Mixer", NULL, "SPK-ASP Mux"},
679 	{"SPK Mixer", NULL, "SPK-XSP Mux"},
680 
681 	{"SPK-ASP Mux", "Left", "ASPINL"},
682 	{"SPK-ASP Mux", "Mono Mix", "ASPINM"},
683 	{"SPK-ASP Mux", "Right", "ASPINR"},
684 
685 	{"SPK-XSP Mux", "Left", "XSPINL"},
686 	{"SPK-XSP Mux", "Mono Mix", "XSPINM"},
687 	{"SPK-XSP Mux", "Right", "XSPINR"},
688 
689 	/* HP LineOUT Paths */
690 	{"HPOUTA", NULL, "HP Amp"},
691 	{"HPOUTB", NULL, "HP Amp"},
692 	{"LINEOUTA", NULL, "LO Amp"},
693 	{"LINEOUTB", NULL, "LO Amp"},
694 
695 	{"HP Amp", "Switch", "HL Left DAC"},
696 	{"HP Amp", "Switch", "HL Right DAC"},
697 	{"LO Amp", "Switch", "HL Left DAC"},
698 	{"LO Amp", "Switch", "HL Right DAC"},
699 
700 	{"HL Left DAC", "HL-XSP Volume", "HL Left Mixer"},
701 	{"HL Right DAC", "HL-XSP Volume", "HL Right Mixer"},
702 	{"HL Left DAC", "HL-ASP Volume", "HL Left Mixer"},
703 	{"HL Right DAC", "HL-ASP Volume", "HL Right Mixer"},
704 	{"HL Left DAC", "HL-VSP Volume", "HL Left Mixer"},
705 	{"HL Right DAC", "HL-VSP Volume", "HL Right Mixer"},
706 	/* Loopback */
707 	{"HL Left DAC", "HL-IP Volume", "HL Left Mixer"},
708 	{"HL Right DAC", "HL-IP Volume", "HL Right Mixer"},
709 	{"HL Left Mixer", NULL, "Input Left Capture"},
710 	{"HL Right Mixer", NULL, "Input Right Capture"},
711 
712 	{"HL Left Mixer", NULL, "ASPINL"},
713 	{"HL Right Mixer", NULL, "ASPINR"},
714 	{"HL Left Mixer", NULL, "XSPINL"},
715 	{"HL Right Mixer", NULL, "XSPINR"},
716 	{"HL Left Mixer", NULL, "VSPINOUT"},
717 	{"HL Right Mixer", NULL, "VSPINOUT"},
718 
719 	{"ASPINL", NULL, "ASP Playback"},
720 	{"ASPINM", NULL, "ASP Playback"},
721 	{"ASPINR", NULL, "ASP Playback"},
722 	{"XSPINL", NULL, "XSP Playback"},
723 	{"XSPINM", NULL, "XSP Playback"},
724 	{"XSPINR", NULL, "XSP Playback"},
725 	{"VSPINOUT", NULL, "VSP Playback"},
726 
727 	/* Capture Paths */
728 	{"MIC1", NULL, "MIC1 Bias"},
729 	{"PGA Left Mux", "Mic 1", "MIC1"},
730 	{"MIC2", NULL, "MIC2 Bias"},
731 	{"PGA Right Mux", "Mic 2", "MIC2"},
732 
733 	{"PGA Left Mux", "Line A", "LINEINA"},
734 	{"PGA Right Mux", "Line B", "LINEINB"},
735 
736 	{"PGA Left", NULL, "PGA Left Mux"},
737 	{"PGA Right", NULL, "PGA Right Mux"},
738 
739 	{"ADC Left", NULL, "PGA Left"},
740 	{"ADC Right", NULL, "PGA Right"},
741 	{"DMIC Left", NULL, "DMICA"},
742 	{"DMIC Right", NULL, "DMICB"},
743 
744 	{"Input Left Capture", "ADC Left Input", "ADC Left"},
745 	{"Input Right Capture", "ADC Right Input", "ADC Right"},
746 	{"Input Left Capture", "DMIC Left Input", "DMIC Left"},
747 	{"Input Right Capture", "DMIC Right Input", "DMIC Right"},
748 
749 	/* Audio Capture */
750 	{"ASPL Output Mixer", NULL, "Input Left Capture"},
751 	{"ASPR Output Mixer", NULL, "Input Right Capture"},
752 
753 	{"ASPOUTL", "ASP-IP Volume", "ASPL Output Mixer"},
754 	{"ASPOUTR", "ASP-IP Volume", "ASPR Output Mixer"},
755 
756 	/* Auxillary Capture */
757 	{"XSPL Output Mixer", NULL, "Input Left Capture"},
758 	{"XSPR Output Mixer", NULL, "Input Right Capture"},
759 
760 	{"XSPOUTL", "XSP-IP Volume", "XSPL Output Mixer"},
761 	{"XSPOUTR", "XSP-IP Volume", "XSPR Output Mixer"},
762 
763 	{"XSPOUTL", NULL, "XSPL Output Mixer"},
764 	{"XSPOUTR", NULL, "XSPR Output Mixer"},
765 
766 	/* Voice Capture */
767 	{"VSP Output Mixer", NULL, "Input Left Capture"},
768 	{"VSP Output Mixer", NULL, "Input Right Capture"},
769 
770 	{"VSPINOUT", "VSP-IP Volume", "VSP Output Mixer"},
771 
772 	{"VSPINOUT", NULL, "VSP Output Mixer"},
773 
774 	{"ASP Capture", NULL, "ASPOUTL"},
775 	{"ASP Capture", NULL, "ASPOUTR"},
776 	{"XSP Capture", NULL, "XSPOUTL"},
777 	{"XSP Capture", NULL, "XSPOUTR"},
778 	{"VSP Capture", NULL, "VSPINOUT"},
779 };
780 
781 struct cs42l73_mclk_div {
782 	u32 mclk;
783 	u32 srate;
784 	u8 mmcc;
785 };
786 
787 static const struct cs42l73_mclk_div cs42l73_mclk_coeffs[] = {
788 	/* MCLK, Sample Rate, xMMCC[5:0] */
789 	{5644800, 11025, 0x30},
790 	{5644800, 22050, 0x20},
791 	{5644800, 44100, 0x10},
792 
793 	{6000000,  8000, 0x39},
794 	{6000000, 11025, 0x33},
795 	{6000000, 12000, 0x31},
796 	{6000000, 16000, 0x29},
797 	{6000000, 22050, 0x23},
798 	{6000000, 24000, 0x21},
799 	{6000000, 32000, 0x19},
800 	{6000000, 44100, 0x13},
801 	{6000000, 48000, 0x11},
802 
803 	{6144000,  8000, 0x38},
804 	{6144000, 12000, 0x30},
805 	{6144000, 16000, 0x28},
806 	{6144000, 24000, 0x20},
807 	{6144000, 32000, 0x18},
808 	{6144000, 48000, 0x10},
809 
810 	{6500000,  8000, 0x3C},
811 	{6500000, 11025, 0x35},
812 	{6500000, 12000, 0x34},
813 	{6500000, 16000, 0x2C},
814 	{6500000, 22050, 0x25},
815 	{6500000, 24000, 0x24},
816 	{6500000, 32000, 0x1C},
817 	{6500000, 44100, 0x15},
818 	{6500000, 48000, 0x14},
819 
820 	{6400000,  8000, 0x3E},
821 	{6400000, 11025, 0x37},
822 	{6400000, 12000, 0x36},
823 	{6400000, 16000, 0x2E},
824 	{6400000, 22050, 0x27},
825 	{6400000, 24000, 0x26},
826 	{6400000, 32000, 0x1E},
827 	{6400000, 44100, 0x17},
828 	{6400000, 48000, 0x16},
829 };
830 
831 struct cs42l73_mclkx_div {
832 	u32 mclkx;
833 	u8 ratio;
834 	u8 mclkdiv;
835 };
836 
837 static const struct cs42l73_mclkx_div cs42l73_mclkx_coeffs[] = {
838 	{5644800,  1, 0},	/* 5644800 */
839 	{6000000,  1, 0},	/* 6000000 */
840 	{6144000,  1, 0},	/* 6144000 */
841 	{11289600, 2, 2},	/* 5644800 */
842 	{12288000, 2, 2},	/* 6144000 */
843 	{12000000, 2, 2},	/* 6000000 */
844 	{13000000, 2, 2},	/* 6500000 */
845 	{19200000, 3, 3},	/* 6400000 */
846 	{24000000, 4, 4},	/* 6000000 */
847 	{26000000, 4, 4},	/* 6500000 */
848 	{38400000, 6, 5}	/* 6400000 */
849 };
850 
851 static int cs42l73_get_mclkx_coeff(int mclkx)
852 {
853 	int i;
854 
855 	for (i = 0; i < ARRAY_SIZE(cs42l73_mclkx_coeffs); i++) {
856 		if (cs42l73_mclkx_coeffs[i].mclkx == mclkx)
857 			return i;
858 	}
859 	return -EINVAL;
860 }
861 
862 static int cs42l73_get_mclk_coeff(int mclk, int srate)
863 {
864 	int i;
865 
866 	for (i = 0; i < ARRAY_SIZE(cs42l73_mclk_coeffs); i++) {
867 		if (cs42l73_mclk_coeffs[i].mclk == mclk &&
868 		    cs42l73_mclk_coeffs[i].srate == srate)
869 			return i;
870 	}
871 	return -EINVAL;
872 
873 }
874 
875 static int cs42l73_set_mclk(struct snd_soc_dai *dai, unsigned int freq)
876 {
877 	struct snd_soc_component *component = dai->component;
878 	struct cs42l73_private *priv = snd_soc_component_get_drvdata(component);
879 
880 	int mclkx_coeff;
881 	u32 mclk = 0;
882 	u8 dmmcc = 0;
883 
884 	/* MCLKX -> MCLK */
885 	mclkx_coeff = cs42l73_get_mclkx_coeff(freq);
886 	if (mclkx_coeff < 0)
887 		return mclkx_coeff;
888 
889 	mclk = cs42l73_mclkx_coeffs[mclkx_coeff].mclkx /
890 		cs42l73_mclkx_coeffs[mclkx_coeff].ratio;
891 
892 	dev_dbg(component->dev, "MCLK%u %u  <-> internal MCLK %u\n",
893 		 priv->mclksel + 1, cs42l73_mclkx_coeffs[mclkx_coeff].mclkx,
894 		 mclk);
895 
896 	dmmcc = (priv->mclksel << 4) |
897 		(cs42l73_mclkx_coeffs[mclkx_coeff].mclkdiv << 1);
898 
899 	snd_soc_component_write(component, CS42L73_DMMCC, dmmcc);
900 
901 	priv->sysclk = mclkx_coeff;
902 	priv->mclk = mclk;
903 
904 	return 0;
905 }
906 
907 static int cs42l73_set_sysclk(struct snd_soc_dai *dai,
908 			      int clk_id, unsigned int freq, int dir)
909 {
910 	struct snd_soc_component *component = dai->component;
911 	struct cs42l73_private *priv = snd_soc_component_get_drvdata(component);
912 
913 	switch (clk_id) {
914 	case CS42L73_CLKID_MCLK1:
915 		break;
916 	case CS42L73_CLKID_MCLK2:
917 		break;
918 	default:
919 		return -EINVAL;
920 	}
921 
922 	if ((cs42l73_set_mclk(dai, freq)) < 0) {
923 		dev_err(component->dev, "Unable to set MCLK for dai %s\n",
924 			dai->name);
925 		return -EINVAL;
926 	}
927 
928 	priv->mclksel = clk_id;
929 
930 	return 0;
931 }
932 
933 static int cs42l73_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
934 {
935 	struct snd_soc_component *component = codec_dai->component;
936 	struct cs42l73_private *priv = snd_soc_component_get_drvdata(component);
937 	u8 id = codec_dai->id;
938 	unsigned int inv, format;
939 	u8 spc, mmcc;
940 
941 	spc = snd_soc_component_read32(component, CS42L73_SPC(id));
942 	mmcc = snd_soc_component_read32(component, CS42L73_MMCC(id));
943 
944 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
945 	case SND_SOC_DAIFMT_CBM_CFM:
946 		mmcc |= CS42L73_MS_MASTER;
947 		break;
948 
949 	case SND_SOC_DAIFMT_CBS_CFS:
950 		mmcc &= ~CS42L73_MS_MASTER;
951 		break;
952 
953 	default:
954 		return -EINVAL;
955 	}
956 
957 	format = (fmt & SND_SOC_DAIFMT_FORMAT_MASK);
958 	inv = (fmt & SND_SOC_DAIFMT_INV_MASK);
959 
960 	switch (format) {
961 	case SND_SOC_DAIFMT_I2S:
962 		spc &= ~CS42L73_SPDIF_PCM;
963 		break;
964 	case SND_SOC_DAIFMT_DSP_A:
965 	case SND_SOC_DAIFMT_DSP_B:
966 		if (mmcc & CS42L73_MS_MASTER) {
967 			dev_err(component->dev,
968 				"PCM format in slave mode only\n");
969 			return -EINVAL;
970 		}
971 		if (id == CS42L73_ASP) {
972 			dev_err(component->dev,
973 				"PCM format is not supported on ASP port\n");
974 			return -EINVAL;
975 		}
976 		spc |= CS42L73_SPDIF_PCM;
977 		break;
978 	default:
979 		return -EINVAL;
980 	}
981 
982 	if (spc & CS42L73_SPDIF_PCM) {
983 		/* Clear PCM mode, clear PCM_BIT_ORDER bit for MSB->LSB */
984 		spc &= ~(CS42L73_PCM_MODE_MASK | CS42L73_PCM_BIT_ORDER);
985 		switch (format) {
986 		case SND_SOC_DAIFMT_DSP_B:
987 			if (inv == SND_SOC_DAIFMT_IB_IF)
988 				spc |= CS42L73_PCM_MODE0;
989 			if (inv == SND_SOC_DAIFMT_IB_NF)
990 				spc |= CS42L73_PCM_MODE1;
991 		break;
992 		case SND_SOC_DAIFMT_DSP_A:
993 			if (inv == SND_SOC_DAIFMT_IB_IF)
994 				spc |= CS42L73_PCM_MODE1;
995 			break;
996 		default:
997 			return -EINVAL;
998 		}
999 	}
1000 
1001 	priv->config[id].spc = spc;
1002 	priv->config[id].mmcc = mmcc;
1003 
1004 	return 0;
1005 }
1006 
1007 static const unsigned int cs42l73_asrc_rates[] = {
1008 	8000, 11025, 12000, 16000, 22050,
1009 	24000, 32000, 44100, 48000
1010 };
1011 
1012 static unsigned int cs42l73_get_xspfs_coeff(u32 rate)
1013 {
1014 	int i;
1015 	for (i = 0; i < ARRAY_SIZE(cs42l73_asrc_rates); i++) {
1016 		if (cs42l73_asrc_rates[i] == rate)
1017 			return i + 1;
1018 	}
1019 	return 0;		/* 0 = Don't know */
1020 }
1021 
1022 static void cs42l73_update_asrc(struct snd_soc_component *component, int id, int srate)
1023 {
1024 	u8 spfs = 0;
1025 
1026 	if (srate > 0)
1027 		spfs = cs42l73_get_xspfs_coeff(srate);
1028 
1029 	switch (id) {
1030 	case CS42L73_XSP:
1031 		snd_soc_component_update_bits(component, CS42L73_VXSPFS, 0x0f, spfs);
1032 	break;
1033 	case CS42L73_ASP:
1034 		snd_soc_component_update_bits(component, CS42L73_ASPC, 0x3c, spfs << 2);
1035 	break;
1036 	case CS42L73_VSP:
1037 		snd_soc_component_update_bits(component, CS42L73_VXSPFS, 0xf0, spfs << 4);
1038 	break;
1039 	default:
1040 	break;
1041 	}
1042 }
1043 
1044 static int cs42l73_pcm_hw_params(struct snd_pcm_substream *substream,
1045 				 struct snd_pcm_hw_params *params,
1046 				 struct snd_soc_dai *dai)
1047 {
1048 	struct snd_soc_component *component = dai->component;
1049 	struct cs42l73_private *priv = snd_soc_component_get_drvdata(component);
1050 	int id = dai->id;
1051 	int mclk_coeff;
1052 	int srate = params_rate(params);
1053 
1054 	if (priv->config[id].mmcc & CS42L73_MS_MASTER) {
1055 		/* CS42L73 Master */
1056 		/* MCLK -> srate */
1057 		mclk_coeff =
1058 		    cs42l73_get_mclk_coeff(priv->mclk, srate);
1059 
1060 		if (mclk_coeff < 0)
1061 			return -EINVAL;
1062 
1063 		dev_dbg(component->dev,
1064 			 "DAI[%d]: MCLK %u, srate %u, MMCC[5:0] = %x\n",
1065 			 id, priv->mclk, srate,
1066 			 cs42l73_mclk_coeffs[mclk_coeff].mmcc);
1067 
1068 		priv->config[id].mmcc &= 0xC0;
1069 		priv->config[id].mmcc |= cs42l73_mclk_coeffs[mclk_coeff].mmcc;
1070 		priv->config[id].spc &= 0xFC;
1071 		/* Use SCLK=64*Fs if internal MCLK >= 6.4MHz */
1072 		if (priv->mclk >= 6400000)
1073 			priv->config[id].spc |= CS42L73_MCK_SCLK_64FS;
1074 		else
1075 			priv->config[id].spc |= CS42L73_MCK_SCLK_MCLK;
1076 	} else {
1077 		/* CS42L73 Slave */
1078 		priv->config[id].spc &= 0xFC;
1079 		priv->config[id].spc |= CS42L73_MCK_SCLK_64FS;
1080 	}
1081 	/* Update ASRCs */
1082 	priv->config[id].srate = srate;
1083 
1084 	snd_soc_component_write(component, CS42L73_SPC(id), priv->config[id].spc);
1085 	snd_soc_component_write(component, CS42L73_MMCC(id), priv->config[id].mmcc);
1086 
1087 	cs42l73_update_asrc(component, id, srate);
1088 
1089 	return 0;
1090 }
1091 
1092 static int cs42l73_set_bias_level(struct snd_soc_component *component,
1093 				  enum snd_soc_bias_level level)
1094 {
1095 	struct cs42l73_private *cs42l73 = snd_soc_component_get_drvdata(component);
1096 
1097 	switch (level) {
1098 	case SND_SOC_BIAS_ON:
1099 		snd_soc_component_update_bits(component, CS42L73_DMMCC, CS42L73_MCLKDIS, 0);
1100 		snd_soc_component_update_bits(component, CS42L73_PWRCTL1, CS42L73_PDN, 0);
1101 		break;
1102 
1103 	case SND_SOC_BIAS_PREPARE:
1104 		break;
1105 
1106 	case SND_SOC_BIAS_STANDBY:
1107 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
1108 			regcache_cache_only(cs42l73->regmap, false);
1109 			regcache_sync(cs42l73->regmap);
1110 		}
1111 		snd_soc_component_update_bits(component, CS42L73_PWRCTL1, CS42L73_PDN, 1);
1112 		break;
1113 
1114 	case SND_SOC_BIAS_OFF:
1115 		snd_soc_component_update_bits(component, CS42L73_PWRCTL1, CS42L73_PDN, 1);
1116 		if (cs42l73->shutdwn_delay > 0) {
1117 			mdelay(cs42l73->shutdwn_delay);
1118 			cs42l73->shutdwn_delay = 0;
1119 		} else {
1120 			mdelay(15); /* Min amount of time requred to power
1121 				     * down.
1122 				     */
1123 		}
1124 		snd_soc_component_update_bits(component, CS42L73_DMMCC, CS42L73_MCLKDIS, 1);
1125 		break;
1126 	}
1127 	return 0;
1128 }
1129 
1130 static int cs42l73_set_tristate(struct snd_soc_dai *dai, int tristate)
1131 {
1132 	struct snd_soc_component *component = dai->component;
1133 	int id = dai->id;
1134 
1135 	return snd_soc_component_update_bits(component, CS42L73_SPC(id), CS42L73_SP_3ST,
1136 				   tristate << 7);
1137 }
1138 
1139 static const struct snd_pcm_hw_constraint_list constraints_12_24 = {
1140 	.count  = ARRAY_SIZE(cs42l73_asrc_rates),
1141 	.list   = cs42l73_asrc_rates,
1142 };
1143 
1144 static int cs42l73_pcm_startup(struct snd_pcm_substream *substream,
1145 			       struct snd_soc_dai *dai)
1146 {
1147 	snd_pcm_hw_constraint_list(substream->runtime, 0,
1148 					SNDRV_PCM_HW_PARAM_RATE,
1149 					&constraints_12_24);
1150 	return 0;
1151 }
1152 
1153 
1154 #define CS42L73_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1155 	SNDRV_PCM_FMTBIT_S24_LE)
1156 
1157 static const struct snd_soc_dai_ops cs42l73_ops = {
1158 	.startup = cs42l73_pcm_startup,
1159 	.hw_params = cs42l73_pcm_hw_params,
1160 	.set_fmt = cs42l73_set_dai_fmt,
1161 	.set_sysclk = cs42l73_set_sysclk,
1162 	.set_tristate = cs42l73_set_tristate,
1163 };
1164 
1165 static struct snd_soc_dai_driver cs42l73_dai[] = {
1166 	{
1167 		.name = "cs42l73-xsp",
1168 		.id = CS42L73_XSP,
1169 		.playback = {
1170 			.stream_name = "XSP Playback",
1171 			.channels_min = 1,
1172 			.channels_max = 2,
1173 			.rates = SNDRV_PCM_RATE_KNOT,
1174 			.formats = CS42L73_FORMATS,
1175 		},
1176 		.capture = {
1177 			.stream_name = "XSP Capture",
1178 			.channels_min = 1,
1179 			.channels_max = 2,
1180 			.rates = SNDRV_PCM_RATE_KNOT,
1181 			.formats = CS42L73_FORMATS,
1182 		},
1183 		.ops = &cs42l73_ops,
1184 		.symmetric_rates = 1,
1185 	 },
1186 	{
1187 		.name = "cs42l73-asp",
1188 		.id = CS42L73_ASP,
1189 		.playback = {
1190 			.stream_name = "ASP Playback",
1191 			.channels_min = 2,
1192 			.channels_max = 2,
1193 			.rates = SNDRV_PCM_RATE_KNOT,
1194 			.formats = CS42L73_FORMATS,
1195 		},
1196 		.capture = {
1197 			.stream_name = "ASP Capture",
1198 			.channels_min = 2,
1199 			.channels_max = 2,
1200 			.rates = SNDRV_PCM_RATE_KNOT,
1201 			.formats = CS42L73_FORMATS,
1202 		},
1203 		.ops = &cs42l73_ops,
1204 		.symmetric_rates = 1,
1205 	 },
1206 	{
1207 		.name = "cs42l73-vsp",
1208 		.id = CS42L73_VSP,
1209 		.playback = {
1210 			.stream_name = "VSP Playback",
1211 			.channels_min = 1,
1212 			.channels_max = 2,
1213 			.rates = SNDRV_PCM_RATE_KNOT,
1214 			.formats = CS42L73_FORMATS,
1215 		},
1216 		.capture = {
1217 			.stream_name = "VSP Capture",
1218 			.channels_min = 1,
1219 			.channels_max = 2,
1220 			.rates = SNDRV_PCM_RATE_KNOT,
1221 			.formats = CS42L73_FORMATS,
1222 		},
1223 		.ops = &cs42l73_ops,
1224 		.symmetric_rates = 1,
1225 	 }
1226 };
1227 
1228 static int cs42l73_probe(struct snd_soc_component *component)
1229 {
1230 	struct cs42l73_private *cs42l73 = snd_soc_component_get_drvdata(component);
1231 
1232 	/* Set Charge Pump Frequency */
1233 	if (cs42l73->pdata.chgfreq)
1234 		snd_soc_component_update_bits(component, CS42L73_CPFCHC,
1235 				    CS42L73_CHARGEPUMP_MASK,
1236 					cs42l73->pdata.chgfreq << 4);
1237 
1238 	/* MCLK1 as master clk */
1239 	cs42l73->mclksel = CS42L73_CLKID_MCLK1;
1240 	cs42l73->mclk = 0;
1241 
1242 	return 0;
1243 }
1244 
1245 static const struct snd_soc_component_driver soc_component_dev_cs42l73 = {
1246 	.probe			= cs42l73_probe,
1247 	.set_bias_level		= cs42l73_set_bias_level,
1248 	.controls		= cs42l73_snd_controls,
1249 	.num_controls		= ARRAY_SIZE(cs42l73_snd_controls),
1250 	.dapm_widgets		= cs42l73_dapm_widgets,
1251 	.num_dapm_widgets	= ARRAY_SIZE(cs42l73_dapm_widgets),
1252 	.dapm_routes		= cs42l73_audio_map,
1253 	.num_dapm_routes	= ARRAY_SIZE(cs42l73_audio_map),
1254 	.suspend_bias_off	= 1,
1255 	.idle_bias_on		= 1,
1256 	.use_pmdown_time	= 1,
1257 	.endianness		= 1,
1258 	.non_legacy_dai_naming	= 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 
1273 static int cs42l73_i2c_probe(struct i2c_client *i2c_client,
1274 			     const struct i2c_device_id *id)
1275 {
1276 	struct cs42l73_private *cs42l73;
1277 	struct cs42l73_platform_data *pdata = dev_get_platdata(&i2c_client->dev);
1278 	int ret;
1279 	unsigned int devid = 0;
1280 	unsigned int reg;
1281 	u32 val32;
1282 
1283 	cs42l73 = devm_kzalloc(&i2c_client->dev, sizeof(*cs42l73), GFP_KERNEL);
1284 	if (!cs42l73)
1285 		return -ENOMEM;
1286 
1287 	cs42l73->regmap = devm_regmap_init_i2c(i2c_client, &cs42l73_regmap);
1288 	if (IS_ERR(cs42l73->regmap)) {
1289 		ret = PTR_ERR(cs42l73->regmap);
1290 		dev_err(&i2c_client->dev, "regmap_init() failed: %d\n", ret);
1291 		return ret;
1292 	}
1293 
1294 	if (pdata) {
1295 		cs42l73->pdata = *pdata;
1296 	} else {
1297 		pdata = devm_kzalloc(&i2c_client->dev, sizeof(*pdata),
1298 				     GFP_KERNEL);
1299 		if (!pdata)
1300 			return -ENOMEM;
1301 
1302 		if (i2c_client->dev.of_node) {
1303 			if (of_property_read_u32(i2c_client->dev.of_node,
1304 				"chgfreq", &val32) >= 0)
1305 				pdata->chgfreq = val32;
1306 		}
1307 		pdata->reset_gpio = of_get_named_gpio(i2c_client->dev.of_node,
1308 						"reset-gpio", 0);
1309 		cs42l73->pdata = *pdata;
1310 	}
1311 
1312 	i2c_set_clientdata(i2c_client, cs42l73);
1313 
1314 	if (cs42l73->pdata.reset_gpio) {
1315 		ret = devm_gpio_request_one(&i2c_client->dev,
1316 					    cs42l73->pdata.reset_gpio,
1317 					    GPIOF_OUT_INIT_HIGH,
1318 					    "CS42L73 /RST");
1319 		if (ret < 0) {
1320 			dev_err(&i2c_client->dev, "Failed to request /RST %d: %d\n",
1321 				cs42l73->pdata.reset_gpio, ret);
1322 			return ret;
1323 		}
1324 		gpio_set_value_cansleep(cs42l73->pdata.reset_gpio, 0);
1325 		gpio_set_value_cansleep(cs42l73->pdata.reset_gpio, 1);
1326 	}
1327 
1328 	/* initialize codec */
1329 	ret = regmap_read(cs42l73->regmap, CS42L73_DEVID_AB, &reg);
1330 	devid = (reg & 0xFF) << 12;
1331 
1332 	ret = regmap_read(cs42l73->regmap, CS42L73_DEVID_CD, &reg);
1333 	devid |= (reg & 0xFF) << 4;
1334 
1335 	ret = regmap_read(cs42l73->regmap, CS42L73_DEVID_E, &reg);
1336 	devid |= (reg & 0xF0) >> 4;
1337 
1338 	if (devid != CS42L73_DEVID) {
1339 		ret = -ENODEV;
1340 		dev_err(&i2c_client->dev,
1341 			"CS42L73 Device ID (%X). Expected %X\n",
1342 			devid, CS42L73_DEVID);
1343 		return ret;
1344 	}
1345 
1346 	ret = regmap_read(cs42l73->regmap, CS42L73_REVID, &reg);
1347 	if (ret < 0) {
1348 		dev_err(&i2c_client->dev, "Get Revision ID failed\n");
1349 		return ret;
1350 	}
1351 
1352 	dev_info(&i2c_client->dev,
1353 		 "Cirrus Logic CS42L73, Revision: %02X\n", reg & 0xFF);
1354 
1355 	ret = devm_snd_soc_register_component(&i2c_client->dev,
1356 			&soc_component_dev_cs42l73, cs42l73_dai,
1357 			ARRAY_SIZE(cs42l73_dai));
1358 	if (ret < 0)
1359 		return ret;
1360 	return 0;
1361 }
1362 
1363 static const struct of_device_id cs42l73_of_match[] = {
1364 	{ .compatible = "cirrus,cs42l73", },
1365 	{},
1366 };
1367 MODULE_DEVICE_TABLE(of, cs42l73_of_match);
1368 
1369 static const struct i2c_device_id cs42l73_id[] = {
1370 	{"cs42l73", 0},
1371 	{}
1372 };
1373 
1374 MODULE_DEVICE_TABLE(i2c, cs42l73_id);
1375 
1376 static struct i2c_driver cs42l73_i2c_driver = {
1377 	.driver = {
1378 		   .name = "cs42l73",
1379 		   .of_match_table = cs42l73_of_match,
1380 		   },
1381 	.id_table = cs42l73_id,
1382 	.probe = cs42l73_i2c_probe,
1383 
1384 };
1385 
1386 module_i2c_driver(cs42l73_i2c_driver);
1387 
1388 MODULE_DESCRIPTION("ASoC CS42L73 driver");
1389 MODULE_AUTHOR("Georgi Vlaev, Nucleus Systems Ltd, <joe@nucleusys.com>");
1390 MODULE_AUTHOR("Brian Austin, Cirrus Logic Inc, <brian.austin@cirrus.com>");
1391 MODULE_LICENSE("GPL");
1392