xref: /linux/sound/soc/codecs/cs42l73.c (revision a9e6060bb2a6cae6d43a98ec0794844ad01273d3)
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/delay.h>
12 #include <linux/gpio/consumer.h>
13 #include <linux/i2c.h>
14 #include <linux/init.h>
15 #include <linux/kernel.h>
16 #include <linux/module.h>
17 #include <linux/moduleparam.h>
18 #include <linux/pm.h>
19 #include <linux/regmap.h>
20 #include <linux/slab.h>
21 #include <sound/core.h>
22 #include <sound/initval.h>
23 #include <sound/pcm.h>
24 #include <sound/pcm_params.h>
25 #include <sound/soc.h>
26 #include <sound/soc-dapm.h>
27 #include <sound/tlv.h>
28 #include "cirrus_legacy.h"
29 #include "cs42l73.h"
30 
31 struct cs42l73_platform_data {
32 	/* RST GPIO */
33 	struct gpio_desc *reset_gpio;
34 	unsigned int chgfreq;
35 	int jack_detection;
36 	unsigned int mclk_freq;
37 };
38 
39 struct sp_config {
40 	u8 spc, mmcc, spfs;
41 	u32 srate;
42 };
43 struct  cs42l73_private {
44 	struct cs42l73_platform_data pdata;
45 	struct sp_config config[3];
46 	struct regmap *regmap;
47 	u32 sysclk;
48 	u8 mclksel;
49 	u32 mclk;
50 	int shutdwn_delay;
51 };
52 
53 static const struct reg_default cs42l73_reg_defaults[] = {
54 	{ 6, 0xF1 },	/* r06	- Power Ctl 1 */
55 	{ 7, 0xDF },	/* r07	- Power Ctl 2 */
56 	{ 8, 0x3F },	/* r08	- Power Ctl 3 */
57 	{ 9, 0x50 },	/* r09	- Charge Pump Freq */
58 	{ 10, 0x53 },	/* r0A	- Output Load MicBias Short Detect */
59 	{ 11, 0x00 },	/* r0B	- DMIC Master Clock Ctl */
60 	{ 12, 0x00 },	/* r0C	- Aux PCM Ctl */
61 	{ 13, 0x15 },	/* r0D	- Aux PCM Master Clock Ctl */
62 	{ 14, 0x00 },	/* r0E	- Audio PCM Ctl */
63 	{ 15, 0x15 },	/* r0F	- Audio PCM Master Clock Ctl */
64 	{ 16, 0x00 },	/* r10	- Voice PCM Ctl */
65 	{ 17, 0x15 },	/* r11	- Voice PCM Master Clock Ctl */
66 	{ 18, 0x00 },	/* r12	- Voice/Aux Sample Rate */
67 	{ 19, 0x06 },	/* r13	- Misc I/O Path Ctl */
68 	{ 20, 0x00 },	/* r14	- ADC Input Path Ctl */
69 	{ 21, 0x00 },	/* r15	- MICA Preamp, PGA Volume */
70 	{ 22, 0x00 },	/* r16	- MICB Preamp, PGA Volume */
71 	{ 23, 0x00 },	/* r17	- Input Path A Digital Volume */
72 	{ 24, 0x00 },	/* r18	- Input Path B Digital Volume */
73 	{ 25, 0x00 },	/* r19	- Playback Digital Ctl */
74 	{ 26, 0x00 },	/* r1A	- HP/LO Left Digital Volume */
75 	{ 27, 0x00 },	/* r1B	- HP/LO Right Digital Volume */
76 	{ 28, 0x00 },	/* r1C	- Speakerphone Digital Volume */
77 	{ 29, 0x00 },	/* r1D	- Ear/SPKLO Digital Volume */
78 	{ 30, 0x00 },	/* r1E	- HP Left Analog Volume */
79 	{ 31, 0x00 },	/* r1F	- HP Right Analog Volume */
80 	{ 32, 0x00 },	/* r20	- LO Left Analog Volume */
81 	{ 33, 0x00 },	/* r21	- LO Right Analog Volume */
82 	{ 34, 0x00 },	/* r22	- Stereo Input Path Advisory Volume */
83 	{ 35, 0x00 },	/* r23	- Aux PCM Input Advisory Volume */
84 	{ 36, 0x00 },	/* r24	- Audio PCM Input Advisory Volume */
85 	{ 37, 0x00 },	/* r25	- Voice PCM Input Advisory Volume */
86 	{ 38, 0x00 },	/* r26	- Limiter Attack Rate HP/LO */
87 	{ 39, 0x7F },	/* r27	- Limter Ctl, Release Rate HP/LO */
88 	{ 40, 0x00 },	/* r28	- Limter Threshold HP/LO */
89 	{ 41, 0x00 },	/* r29	- Limiter Attack Rate Speakerphone */
90 	{ 42, 0x3F },	/* r2A	- Limter Ctl, Release Rate Speakerphone */
91 	{ 43, 0x00 },	/* r2B	- Limter Threshold Speakerphone */
92 	{ 44, 0x00 },	/* r2C	- Limiter Attack Rate Ear/SPKLO */
93 	{ 45, 0x3F },	/* r2D	- Limter Ctl, Release Rate Ear/SPKLO */
94 	{ 46, 0x00 },	/* r2E	- Limter Threshold Ear/SPKLO */
95 	{ 47, 0x00 },	/* r2F	- ALC Enable, Attack Rate Left/Right */
96 	{ 48, 0x3F },	/* r30	- ALC Release Rate Left/Right */
97 	{ 49, 0x00 },	/* r31	- ALC Threshold Left/Right */
98 	{ 50, 0x00 },	/* r32	- Noise Gate Ctl Left/Right */
99 	{ 51, 0x00 },	/* r33	- ALC/NG Misc Ctl */
100 	{ 52, 0x18 },	/* r34	- Mixer Ctl */
101 	{ 53, 0x3F },	/* r35	- HP/LO Left Mixer Input Path Volume */
102 	{ 54, 0x3F },	/* r36	- HP/LO Right Mixer Input Path Volume */
103 	{ 55, 0x3F },	/* r37	- HP/LO Left Mixer Aux PCM Volume */
104 	{ 56, 0x3F },	/* r38	- HP/LO Right Mixer Aux PCM Volume */
105 	{ 57, 0x3F },	/* r39	- HP/LO Left Mixer Audio PCM Volume */
106 	{ 58, 0x3F },	/* r3A	- HP/LO Right Mixer Audio PCM Volume */
107 	{ 59, 0x3F },	/* r3B	- HP/LO Left Mixer Voice PCM Mono Volume */
108 	{ 60, 0x3F },	/* r3C	- HP/LO Right Mixer Voice PCM Mono Volume */
109 	{ 61, 0x3F },	/* r3D	- Aux PCM Left Mixer Input Path Volume */
110 	{ 62, 0x3F },	/* r3E	- Aux PCM Right Mixer Input Path Volume */
111 	{ 63, 0x3F },	/* r3F	- Aux PCM Left Mixer Volume */
112 	{ 64, 0x3F },	/* r40	- Aux PCM Left Mixer Volume */
113 	{ 65, 0x3F },	/* r41	- Aux PCM Left Mixer Audio PCM L Volume */
114 	{ 66, 0x3F },	/* r42	- Aux PCM Right Mixer Audio PCM R Volume */
115 	{ 67, 0x3F },	/* r43	- Aux PCM Left Mixer Voice PCM Volume */
116 	{ 68, 0x3F },	/* r44	- Aux PCM Right Mixer Voice PCM Volume */
117 	{ 69, 0x3F },	/* r45	- Audio PCM Left Input Path Volume */
118 	{ 70, 0x3F },	/* r46	- Audio PCM Right Input Path Volume */
119 	{ 71, 0x3F },	/* r47	- Audio PCM Left Mixer Aux PCM L Volume */
120 	{ 72, 0x3F },	/* r48	- Audio PCM Right Mixer Aux PCM R Volume */
121 	{ 73, 0x3F },	/* r49	- Audio PCM Left Mixer Volume */
122 	{ 74, 0x3F },	/* r4A	- Audio PCM Right Mixer Volume */
123 	{ 75, 0x3F },	/* r4B	- Audio PCM Left Mixer Voice PCM Volume */
124 	{ 76, 0x3F },	/* r4C	- Audio PCM Right Mixer Voice PCM Volume */
125 	{ 77, 0x3F },	/* r4D	- Voice PCM Left Input Path Volume */
126 	{ 78, 0x3F },	/* r4E	- Voice PCM Right Input Path Volume */
127 	{ 79, 0x3F },	/* r4F	- Voice PCM Left Mixer Aux PCM L Volume */
128 	{ 80, 0x3F },	/* r50	- Voice PCM Right Mixer Aux PCM R Volume */
129 	{ 81, 0x3F },	/* r51	- Voice PCM Left Mixer Audio PCM L Volume */
130 	{ 82, 0x3F },	/* r52	- Voice PCM Right Mixer Audio PCM R Volume */
131 	{ 83, 0x3F },	/* r53	- Voice PCM Left Mixer Voice PCM Volume */
132 	{ 84, 0x3F },	/* r54	- Voice PCM Right Mixer Voice PCM Volume */
133 	{ 85, 0xAA },	/* r55	- Mono Mixer Ctl */
134 	{ 86, 0x3F },	/* r56	- SPK Mono Mixer Input Path Volume */
135 	{ 87, 0x3F },	/* r57	- SPK Mono Mixer Aux PCM Mono/L/R Volume */
136 	{ 88, 0x3F },	/* r58	- SPK Mono Mixer Audio PCM Mono/L/R Volume */
137 	{ 89, 0x3F },	/* r59	- SPK Mono Mixer Voice PCM Mono Volume */
138 	{ 90, 0x3F },	/* r5A	- SPKLO Mono Mixer Input Path Mono Volume */
139 	{ 91, 0x3F },	/* r5B	- SPKLO Mono Mixer Aux Mono/L/R Volume */
140 	{ 92, 0x3F },	/* r5C	- SPKLO Mono Mixer Audio Mono/L/R Volume */
141 	{ 93, 0x3F },	/* r5D	- SPKLO Mono Mixer Voice Mono Volume */
142 	{ 94, 0x00 },	/* r5E	- Interrupt Mask 1 */
143 	{ 95, 0x00 },	/* r5F	- Interrupt Mask 2 */
144 };
145 
cs42l73_volatile_register(struct device * dev,unsigned int reg)146 static bool cs42l73_volatile_register(struct device *dev, unsigned int reg)
147 {
148 	switch (reg) {
149 	case CS42L73_IS1:
150 	case CS42L73_IS2:
151 		return true;
152 	default:
153 		return false;
154 	}
155 }
156 
cs42l73_readable_register(struct device * dev,unsigned int reg)157 static bool cs42l73_readable_register(struct device *dev, unsigned int reg)
158 {
159 	switch (reg) {
160 	case CS42L73_DEVID_AB ... CS42L73_DEVID_E:
161 	case CS42L73_REVID ... CS42L73_IM2:
162 		return true;
163 	default:
164 		return false;
165 	}
166 }
167 
168 static const DECLARE_TLV_DB_RANGE(hpaloa_tlv,
169 	0, 13, TLV_DB_SCALE_ITEM(-7600, 200, 0),
170 	14, 75, TLV_DB_SCALE_ITEM(-4900, 100, 0)
171 );
172 
173 static DECLARE_TLV_DB_SCALE(adc_boost_tlv, 0, 2500, 0);
174 
175 static DECLARE_TLV_DB_SCALE(hl_tlv, -10200, 50, 0);
176 
177 static DECLARE_TLV_DB_SCALE(ipd_tlv, -9600, 100, 0);
178 
179 static DECLARE_TLV_DB_SCALE(micpga_tlv, -600, 50, 0);
180 
181 static const DECLARE_TLV_DB_RANGE(limiter_tlv,
182 	0, 2, TLV_DB_SCALE_ITEM(-3000, 600, 0),
183 	3, 7, TLV_DB_SCALE_ITEM(-1200, 300, 0)
184 );
185 
186 static const DECLARE_TLV_DB_SCALE(attn_tlv, -6300, 100, 1);
187 
188 static const char * const cs42l73_pgaa_text[] = { "Line A", "Mic 1" };
189 static const char * const cs42l73_pgab_text[] = { "Line B", "Mic 2" };
190 
191 static SOC_ENUM_SINGLE_DECL(pgaa_enum,
192 			    CS42L73_ADCIPC, 3,
193 			    cs42l73_pgaa_text);
194 
195 static SOC_ENUM_SINGLE_DECL(pgab_enum,
196 			    CS42L73_ADCIPC, 7,
197 			    cs42l73_pgab_text);
198 
199 static const struct snd_kcontrol_new pgaa_mux =
200 	SOC_DAPM_ENUM("Left Analog Input Capture Mux", pgaa_enum);
201 
202 static const struct snd_kcontrol_new pgab_mux =
203 	SOC_DAPM_ENUM("Right Analog Input Capture Mux", pgab_enum);
204 
205 static const struct snd_kcontrol_new input_left_mixer[] = {
206 	SOC_DAPM_SINGLE("ADC Left Input", CS42L73_PWRCTL1,
207 			5, 1, 1),
208 	SOC_DAPM_SINGLE("DMIC Left Input", CS42L73_PWRCTL1,
209 			4, 1, 1),
210 };
211 
212 static const struct snd_kcontrol_new input_right_mixer[] = {
213 	SOC_DAPM_SINGLE("ADC Right Input", CS42L73_PWRCTL1,
214 			7, 1, 1),
215 	SOC_DAPM_SINGLE("DMIC Right Input", CS42L73_PWRCTL1,
216 			6, 1, 1),
217 };
218 
219 static const char * const cs42l73_ng_delay_text[] = {
220 	"50ms", "100ms", "150ms", "200ms" };
221 
222 static SOC_ENUM_SINGLE_DECL(ng_delay_enum,
223 			    CS42L73_NGCAB, 0,
224 			    cs42l73_ng_delay_text);
225 
226 static const char * const cs42l73_mono_mix_texts[] = {
227 	"Left", "Right", "Mono Mix"};
228 
229 static const unsigned int cs42l73_mono_mix_values[] = { 0, 1, 2 };
230 
231 static const struct soc_enum spk_asp_enum =
232 	SOC_VALUE_ENUM_SINGLE(CS42L73_MMIXCTL, 6, 3,
233 			      ARRAY_SIZE(cs42l73_mono_mix_texts),
234 			      cs42l73_mono_mix_texts,
235 			      cs42l73_mono_mix_values);
236 
237 static const struct snd_kcontrol_new spk_asp_mixer =
238 	SOC_DAPM_ENUM("Route", spk_asp_enum);
239 
240 static const struct soc_enum spk_xsp_enum =
241 	SOC_VALUE_ENUM_SINGLE(CS42L73_MMIXCTL, 4, 3,
242 			      ARRAY_SIZE(cs42l73_mono_mix_texts),
243 			      cs42l73_mono_mix_texts,
244 			      cs42l73_mono_mix_values);
245 
246 static const struct snd_kcontrol_new spk_xsp_mixer =
247 	SOC_DAPM_ENUM("Route", spk_xsp_enum);
248 
249 static const struct soc_enum esl_asp_enum =
250 	SOC_VALUE_ENUM_SINGLE(CS42L73_MMIXCTL, 2, 3,
251 			      ARRAY_SIZE(cs42l73_mono_mix_texts),
252 			      cs42l73_mono_mix_texts,
253 			      cs42l73_mono_mix_values);
254 
255 static const struct snd_kcontrol_new esl_asp_mixer =
256 	SOC_DAPM_ENUM("Route", esl_asp_enum);
257 
258 static const struct soc_enum esl_xsp_enum =
259 	SOC_VALUE_ENUM_SINGLE(CS42L73_MMIXCTL, 0, 3,
260 			      ARRAY_SIZE(cs42l73_mono_mix_texts),
261 			      cs42l73_mono_mix_texts,
262 			      cs42l73_mono_mix_values);
263 
264 static const struct snd_kcontrol_new esl_xsp_mixer =
265 	SOC_DAPM_ENUM("Route", esl_xsp_enum);
266 
267 static const char * const cs42l73_ip_swap_text[] = {
268 	"Stereo", "Mono A", "Mono B", "Swap A-B"};
269 
270 static SOC_ENUM_SINGLE_DECL(ip_swap_enum,
271 			    CS42L73_MIOPC, 6,
272 			    cs42l73_ip_swap_text);
273 
274 static const char * const cs42l73_spo_mixer_text[] = {"Mono", "Stereo"};
275 
276 static SOC_ENUM_SINGLE_DECL(vsp_output_mux_enum,
277 			    CS42L73_MIXERCTL, 5,
278 			    cs42l73_spo_mixer_text);
279 
280 static SOC_ENUM_SINGLE_DECL(xsp_output_mux_enum,
281 			    CS42L73_MIXERCTL, 4,
282 			    cs42l73_spo_mixer_text);
283 
284 static const struct snd_kcontrol_new hp_amp_ctl =
285 	SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 0, 1, 1);
286 
287 static const struct snd_kcontrol_new lo_amp_ctl =
288 	SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 1, 1, 1);
289 
290 static const struct snd_kcontrol_new spk_amp_ctl =
291 	SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 2, 1, 1);
292 
293 static const struct snd_kcontrol_new spklo_amp_ctl =
294 	SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 4, 1, 1);
295 
296 static const struct snd_kcontrol_new ear_amp_ctl =
297 	SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 3, 1, 1);
298 
299 static const struct snd_kcontrol_new cs42l73_snd_controls[] = {
300 	SOC_DOUBLE_R_SX_TLV("Headphone Analog Playback Volume",
301 			CS42L73_HPAAVOL, CS42L73_HPBAVOL, 0,
302 			0x41, 0x4B, hpaloa_tlv),
303 
304 	SOC_DOUBLE_R_SX_TLV("LineOut Analog Playback Volume", CS42L73_LOAAVOL,
305 			CS42L73_LOBAVOL, 0, 0x41, 0x4B, hpaloa_tlv),
306 
307 	SOC_DOUBLE_R_SX_TLV("Input PGA Analog Volume", CS42L73_MICAPREPGAAVOL,
308 			CS42L73_MICBPREPGABVOL, 0, 0x34,
309 			0x24, micpga_tlv),
310 
311 	SOC_DOUBLE_R("MIC Preamp Switch", CS42L73_MICAPREPGAAVOL,
312 			CS42L73_MICBPREPGABVOL, 6, 1, 1),
313 
314 	SOC_DOUBLE_R_SX_TLV("Input Path Digital Volume", CS42L73_IPADVOL,
315 			CS42L73_IPBDVOL, 0, 0xA0, 0x6C, ipd_tlv),
316 
317 	SOC_DOUBLE_R_SX_TLV("HL Digital Playback Volume",
318 			CS42L73_HLADVOL, CS42L73_HLBDVOL,
319 			0, 0x34, 0xE4, hl_tlv),
320 
321 	SOC_SINGLE_TLV("ADC A Boost Volume",
322 			CS42L73_ADCIPC, 2, 0x01, 1, adc_boost_tlv),
323 
324 	SOC_SINGLE_TLV("ADC B Boost Volume",
325 		       CS42L73_ADCIPC, 6, 0x01, 1, adc_boost_tlv),
326 
327 	SOC_SINGLE_SX_TLV("Speakerphone Digital Volume",
328 			    CS42L73_SPKDVOL, 0, 0x34, 0xE4, hl_tlv),
329 
330 	SOC_SINGLE_SX_TLV("Ear Speaker Digital Volume",
331 			    CS42L73_ESLDVOL, 0, 0x34, 0xE4, hl_tlv),
332 
333 	SOC_DOUBLE_R("Headphone Analog Playback Switch", CS42L73_HPAAVOL,
334 			CS42L73_HPBAVOL, 7, 1, 1),
335 
336 	SOC_DOUBLE_R("LineOut Analog Playback Switch", CS42L73_LOAAVOL,
337 			CS42L73_LOBAVOL, 7, 1, 1),
338 	SOC_DOUBLE("Input Path Digital Switch", CS42L73_ADCIPC, 0, 4, 1, 1),
339 	SOC_DOUBLE("HL Digital Playback Switch", CS42L73_PBDC, 0,
340 			1, 1, 1),
341 	SOC_SINGLE("Speakerphone Digital Playback Switch", CS42L73_PBDC, 2, 1,
342 			1),
343 	SOC_SINGLE("Ear Speaker Digital Playback Switch", CS42L73_PBDC, 3, 1,
344 			1),
345 
346 	SOC_SINGLE("PGA Soft-Ramp Switch", CS42L73_MIOPC, 3, 1, 0),
347 	SOC_SINGLE("Analog Zero Cross Switch", CS42L73_MIOPC, 2, 1, 0),
348 	SOC_SINGLE("Digital Soft-Ramp Switch", CS42L73_MIOPC, 1, 1, 0),
349 	SOC_SINGLE("Analog Output Soft-Ramp Switch", CS42L73_MIOPC, 0, 1, 0),
350 
351 	SOC_DOUBLE("ADC Signal Polarity Switch", CS42L73_ADCIPC, 1, 5, 1,
352 			0),
353 
354 	SOC_SINGLE("HL Limiter Attack Rate", CS42L73_LIMARATEHL, 0, 0x3F,
355 			0),
356 	SOC_SINGLE("HL Limiter Release Rate", CS42L73_LIMRRATEHL, 0,
357 			0x3F, 0),
358 
359 
360 	SOC_SINGLE("HL Limiter Switch", CS42L73_LIMRRATEHL, 7, 1, 0),
361 	SOC_SINGLE("HL Limiter All Channels Switch", CS42L73_LIMRRATEHL, 6, 1,
362 			0),
363 
364 	SOC_SINGLE_TLV("HL Limiter Max Threshold Volume", CS42L73_LMAXHL, 5, 7,
365 			1, limiter_tlv),
366 
367 	SOC_SINGLE_TLV("HL Limiter Cushion Volume", CS42L73_LMAXHL, 2, 7, 1,
368 			limiter_tlv),
369 
370 	SOC_SINGLE("SPK Limiter Attack Rate Volume", CS42L73_LIMARATESPK, 0,
371 			0x3F, 0),
372 	SOC_SINGLE("SPK Limiter Release Rate Volume", CS42L73_LIMRRATESPK, 0,
373 			0x3F, 0),
374 	SOC_SINGLE("SPK Limiter Switch", CS42L73_LIMRRATESPK, 7, 1, 0),
375 	SOC_SINGLE("SPK Limiter All Channels Switch", CS42L73_LIMRRATESPK,
376 			6, 1, 0),
377 	SOC_SINGLE_TLV("SPK Limiter Max Threshold Volume", CS42L73_LMAXSPK, 5,
378 			7, 1, limiter_tlv),
379 
380 	SOC_SINGLE_TLV("SPK Limiter Cushion Volume", CS42L73_LMAXSPK, 2, 7, 1,
381 			limiter_tlv),
382 
383 	SOC_SINGLE("ESL Limiter Attack Rate Volume", CS42L73_LIMARATEESL, 0,
384 			0x3F, 0),
385 	SOC_SINGLE("ESL Limiter Release Rate Volume", CS42L73_LIMRRATEESL, 0,
386 			0x3F, 0),
387 	SOC_SINGLE("ESL Limiter Switch", CS42L73_LIMRRATEESL, 7, 1, 0),
388 	SOC_SINGLE_TLV("ESL Limiter Max Threshold Volume", CS42L73_LMAXESL, 5,
389 			7, 1, limiter_tlv),
390 
391 	SOC_SINGLE_TLV("ESL Limiter Cushion Volume", CS42L73_LMAXESL, 2, 7, 1,
392 			limiter_tlv),
393 
394 	SOC_SINGLE("ALC Attack Rate Volume", CS42L73_ALCARATE, 0, 0x3F, 0),
395 	SOC_SINGLE("ALC Release Rate Volume", CS42L73_ALCRRATE, 0, 0x3F, 0),
396 	SOC_DOUBLE("ALC Switch", CS42L73_ALCARATE, 6, 7, 1, 0),
397 	SOC_SINGLE_TLV("ALC Max Threshold Volume", CS42L73_ALCMINMAX, 5, 7, 0,
398 			limiter_tlv),
399 	SOC_SINGLE_TLV("ALC Min Threshold Volume", CS42L73_ALCMINMAX, 2, 7, 0,
400 			limiter_tlv),
401 
402 	SOC_DOUBLE("NG Enable Switch", CS42L73_NGCAB, 6, 7, 1, 0),
403 	SOC_SINGLE("NG Boost Switch", CS42L73_NGCAB, 5, 1, 0),
404 	/*
405 	    NG Threshold depends on NG_BOOTSAB, which selects
406 	    between two threshold scales in decibels.
407 	    Set linear values for now ..
408 	*/
409 	SOC_SINGLE("NG Threshold", CS42L73_NGCAB, 2, 7, 0),
410 	SOC_ENUM("NG Delay", ng_delay_enum),
411 
412 	SOC_DOUBLE_R_TLV("XSP-IP Volume",
413 			CS42L73_XSPAIPAA, CS42L73_XSPBIPBA, 0, 0x3F, 1,
414 			attn_tlv),
415 	SOC_DOUBLE_R_TLV("XSP-XSP Volume",
416 			CS42L73_XSPAXSPAA, CS42L73_XSPBXSPBA, 0, 0x3F, 1,
417 			attn_tlv),
418 	SOC_DOUBLE_R_TLV("XSP-ASP Volume",
419 			CS42L73_XSPAASPAA, CS42L73_XSPAASPBA, 0, 0x3F, 1,
420 			attn_tlv),
421 	SOC_DOUBLE_R_TLV("XSP-VSP Volume",
422 			CS42L73_XSPAVSPMA, CS42L73_XSPBVSPMA, 0, 0x3F, 1,
423 			attn_tlv),
424 
425 	SOC_DOUBLE_R_TLV("ASP-IP Volume",
426 			CS42L73_ASPAIPAA, CS42L73_ASPBIPBA, 0, 0x3F, 1,
427 			attn_tlv),
428 	SOC_DOUBLE_R_TLV("ASP-XSP Volume",
429 			CS42L73_ASPAXSPAA, CS42L73_ASPBXSPBA, 0, 0x3F, 1,
430 			attn_tlv),
431 	SOC_DOUBLE_R_TLV("ASP-ASP Volume",
432 			CS42L73_ASPAASPAA, CS42L73_ASPBASPBA, 0, 0x3F, 1,
433 			attn_tlv),
434 	SOC_DOUBLE_R_TLV("ASP-VSP Volume",
435 			CS42L73_ASPAVSPMA, CS42L73_ASPBVSPMA, 0, 0x3F, 1,
436 			attn_tlv),
437 
438 	SOC_DOUBLE_R_TLV("VSP-IP Volume",
439 			CS42L73_VSPAIPAA, CS42L73_VSPBIPBA, 0, 0x3F, 1,
440 			attn_tlv),
441 	SOC_DOUBLE_R_TLV("VSP-XSP Volume",
442 			CS42L73_VSPAXSPAA, CS42L73_VSPBXSPBA, 0, 0x3F, 1,
443 			attn_tlv),
444 	SOC_DOUBLE_R_TLV("VSP-ASP Volume",
445 			CS42L73_VSPAASPAA, CS42L73_VSPBASPBA, 0, 0x3F, 1,
446 			attn_tlv),
447 	SOC_DOUBLE_R_TLV("VSP-VSP Volume",
448 			CS42L73_VSPAVSPMA, CS42L73_VSPBVSPMA, 0, 0x3F, 1,
449 			attn_tlv),
450 
451 	SOC_DOUBLE_R_TLV("HL-IP Volume",
452 			CS42L73_HLAIPAA, CS42L73_HLBIPBA, 0, 0x3F, 1,
453 			attn_tlv),
454 	SOC_DOUBLE_R_TLV("HL-XSP Volume",
455 			CS42L73_HLAXSPAA, CS42L73_HLBXSPBA, 0, 0x3F, 1,
456 			attn_tlv),
457 	SOC_DOUBLE_R_TLV("HL-ASP Volume",
458 			CS42L73_HLAASPAA, CS42L73_HLBASPBA, 0, 0x3F, 1,
459 			attn_tlv),
460 	SOC_DOUBLE_R_TLV("HL-VSP Volume",
461 			CS42L73_HLAVSPMA, CS42L73_HLBVSPMA, 0, 0x3F, 1,
462 			attn_tlv),
463 
464 	SOC_SINGLE_TLV("SPK-IP Mono Volume",
465 			CS42L73_SPKMIPMA, 0, 0x3F, 1, attn_tlv),
466 	SOC_SINGLE_TLV("SPK-XSP Mono Volume",
467 			CS42L73_SPKMXSPA, 0, 0x3F, 1, attn_tlv),
468 	SOC_SINGLE_TLV("SPK-ASP Mono Volume",
469 			CS42L73_SPKMASPA, 0, 0x3F, 1, attn_tlv),
470 	SOC_SINGLE_TLV("SPK-VSP Mono Volume",
471 			CS42L73_SPKMVSPMA, 0, 0x3F, 1, attn_tlv),
472 
473 	SOC_SINGLE_TLV("ESL-IP Mono Volume",
474 			CS42L73_ESLMIPMA, 0, 0x3F, 1, attn_tlv),
475 	SOC_SINGLE_TLV("ESL-XSP Mono Volume",
476 			CS42L73_ESLMXSPA, 0, 0x3F, 1, attn_tlv),
477 	SOC_SINGLE_TLV("ESL-ASP Mono Volume",
478 			CS42L73_ESLMASPA, 0, 0x3F, 1, attn_tlv),
479 	SOC_SINGLE_TLV("ESL-VSP Mono Volume",
480 			CS42L73_ESLMVSPMA, 0, 0x3F, 1, attn_tlv),
481 
482 	SOC_ENUM("IP Digital Swap/Mono Select", ip_swap_enum),
483 
484 	SOC_ENUM("VSPOUT Mono/Stereo Select", vsp_output_mux_enum),
485 	SOC_ENUM("XSPOUT Mono/Stereo Select", xsp_output_mux_enum),
486 };
487 
cs42l73_spklo_spk_amp_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)488 static int cs42l73_spklo_spk_amp_event(struct snd_soc_dapm_widget *w,
489 	struct snd_kcontrol *kcontrol, int event)
490 {
491 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
492 	struct cs42l73_private *priv = snd_soc_component_get_drvdata(component);
493 	switch (event) {
494 	case SND_SOC_DAPM_POST_PMD:
495 		/* 150 ms delay between setting PDN and MCLKDIS */
496 		priv->shutdwn_delay = 150;
497 		break;
498 	default:
499 		pr_err("Invalid event = 0x%x\n", event);
500 	}
501 	return 0;
502 }
503 
cs42l73_ear_amp_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)504 static int cs42l73_ear_amp_event(struct snd_soc_dapm_widget *w,
505 	struct snd_kcontrol *kcontrol, int event)
506 {
507 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
508 	struct cs42l73_private *priv = snd_soc_component_get_drvdata(component);
509 	switch (event) {
510 	case SND_SOC_DAPM_POST_PMD:
511 		/* 50 ms delay between setting PDN and MCLKDIS */
512 		if (priv->shutdwn_delay < 50)
513 			priv->shutdwn_delay = 50;
514 		break;
515 	default:
516 		pr_err("Invalid event = 0x%x\n", event);
517 	}
518 	return 0;
519 }
520 
521 
cs42l73_hp_amp_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)522 static int cs42l73_hp_amp_event(struct snd_soc_dapm_widget *w,
523 	struct snd_kcontrol *kcontrol, int event)
524 {
525 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
526 	struct cs42l73_private *priv = snd_soc_component_get_drvdata(component);
527 	switch (event) {
528 	case SND_SOC_DAPM_POST_PMD:
529 		/* 30 ms delay between setting PDN and MCLKDIS */
530 		if (priv->shutdwn_delay < 30)
531 			priv->shutdwn_delay = 30;
532 		break;
533 	default:
534 		pr_err("Invalid event = 0x%x\n", event);
535 	}
536 	return 0;
537 }
538 
539 static const struct snd_soc_dapm_widget cs42l73_dapm_widgets[] = {
540 	SND_SOC_DAPM_INPUT("DMICA"),
541 	SND_SOC_DAPM_INPUT("DMICB"),
542 	SND_SOC_DAPM_INPUT("LINEINA"),
543 	SND_SOC_DAPM_INPUT("LINEINB"),
544 	SND_SOC_DAPM_INPUT("MIC1"),
545 	SND_SOC_DAPM_SUPPLY("MIC1 Bias", CS42L73_PWRCTL2, 6, 1, NULL, 0),
546 	SND_SOC_DAPM_INPUT("MIC2"),
547 	SND_SOC_DAPM_SUPPLY("MIC2 Bias", CS42L73_PWRCTL2, 7, 1, NULL, 0),
548 
549 	SND_SOC_DAPM_AIF_OUT("XSPOUTL", NULL,  0,
550 			CS42L73_PWRCTL2, 1, 1),
551 	SND_SOC_DAPM_AIF_OUT("XSPOUTR", NULL,  0,
552 			CS42L73_PWRCTL2, 1, 1),
553 	SND_SOC_DAPM_AIF_OUT("ASPOUTL", NULL,  0,
554 			CS42L73_PWRCTL2, 3, 1),
555 	SND_SOC_DAPM_AIF_OUT("ASPOUTR", NULL,  0,
556 			CS42L73_PWRCTL2, 3, 1),
557 	SND_SOC_DAPM_AIF_OUT("VSPINOUT", NULL,  0,
558 			CS42L73_PWRCTL2, 4, 1),
559 
560 	SND_SOC_DAPM_PGA("PGA Left", SND_SOC_NOPM, 0, 0, NULL, 0),
561 	SND_SOC_DAPM_PGA("PGA Right", SND_SOC_NOPM, 0, 0, NULL, 0),
562 
563 	SND_SOC_DAPM_MUX("PGA Left Mux", SND_SOC_NOPM, 0, 0, &pgaa_mux),
564 	SND_SOC_DAPM_MUX("PGA Right Mux", SND_SOC_NOPM, 0, 0, &pgab_mux),
565 
566 	SND_SOC_DAPM_ADC("ADC Left", NULL, CS42L73_PWRCTL1, 7, 1),
567 	SND_SOC_DAPM_ADC("ADC Right", NULL, CS42L73_PWRCTL1, 5, 1),
568 	SND_SOC_DAPM_ADC("DMIC Left", NULL, CS42L73_PWRCTL1, 6, 1),
569 	SND_SOC_DAPM_ADC("DMIC Right", NULL, CS42L73_PWRCTL1, 4, 1),
570 
571 	SND_SOC_DAPM_MIXER_NAMED_CTL("Input Left Capture", SND_SOC_NOPM,
572 			 0, 0, input_left_mixer,
573 			 ARRAY_SIZE(input_left_mixer)),
574 
575 	SND_SOC_DAPM_MIXER_NAMED_CTL("Input Right Capture", SND_SOC_NOPM,
576 			0, 0, input_right_mixer,
577 			ARRAY_SIZE(input_right_mixer)),
578 
579 	SND_SOC_DAPM_MIXER("ASPL Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
580 	SND_SOC_DAPM_MIXER("ASPR Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
581 	SND_SOC_DAPM_MIXER("XSPL Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
582 	SND_SOC_DAPM_MIXER("XSPR Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
583 	SND_SOC_DAPM_MIXER("VSP Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
584 
585 	SND_SOC_DAPM_AIF_IN("XSPINL", NULL, 0,
586 				CS42L73_PWRCTL2, 0, 1),
587 	SND_SOC_DAPM_AIF_IN("XSPINR", NULL, 0,
588 				CS42L73_PWRCTL2, 0, 1),
589 	SND_SOC_DAPM_AIF_IN("XSPINM", NULL, 0,
590 				CS42L73_PWRCTL2, 0, 1),
591 
592 	SND_SOC_DAPM_AIF_IN("ASPINL", NULL, 0,
593 				CS42L73_PWRCTL2, 2, 1),
594 	SND_SOC_DAPM_AIF_IN("ASPINR", NULL, 0,
595 				CS42L73_PWRCTL2, 2, 1),
596 	SND_SOC_DAPM_AIF_IN("ASPINM", NULL, 0,
597 				CS42L73_PWRCTL2, 2, 1),
598 
599 	SND_SOC_DAPM_AIF_IN("VSPINOUT", NULL, 0,
600 				CS42L73_PWRCTL2, 4, 1),
601 
602 	SND_SOC_DAPM_MIXER("HL Left Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
603 	SND_SOC_DAPM_MIXER("HL Right Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
604 	SND_SOC_DAPM_MIXER("SPK Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
605 	SND_SOC_DAPM_MIXER("ESL Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
606 
607 	SND_SOC_DAPM_MUX("ESL-XSP Mux", SND_SOC_NOPM,
608 			 0, 0, &esl_xsp_mixer),
609 
610 	SND_SOC_DAPM_MUX("ESL-ASP Mux", SND_SOC_NOPM,
611 			 0, 0, &esl_asp_mixer),
612 
613 	SND_SOC_DAPM_MUX("SPK-ASP Mux", SND_SOC_NOPM,
614 			 0, 0, &spk_asp_mixer),
615 
616 	SND_SOC_DAPM_MUX("SPK-XSP Mux", SND_SOC_NOPM,
617 			 0, 0, &spk_xsp_mixer),
618 
619 	SND_SOC_DAPM_PGA("HL Left DAC", SND_SOC_NOPM, 0, 0, NULL, 0),
620 	SND_SOC_DAPM_PGA("HL Right DAC", SND_SOC_NOPM, 0, 0, NULL, 0),
621 	SND_SOC_DAPM_PGA("SPK DAC", SND_SOC_NOPM, 0, 0, NULL, 0),
622 	SND_SOC_DAPM_PGA("ESL DAC", SND_SOC_NOPM, 0, 0, NULL, 0),
623 
624 	SND_SOC_DAPM_SWITCH_E("HP Amp",  CS42L73_PWRCTL3, 0, 1,
625 			    &hp_amp_ctl, cs42l73_hp_amp_event,
626 			SND_SOC_DAPM_POST_PMD),
627 	SND_SOC_DAPM_SWITCH("LO Amp", CS42L73_PWRCTL3, 1, 1,
628 			    &lo_amp_ctl),
629 	SND_SOC_DAPM_SWITCH_E("SPK Amp", CS42L73_PWRCTL3, 2, 1,
630 			&spk_amp_ctl, cs42l73_spklo_spk_amp_event,
631 			SND_SOC_DAPM_POST_PMD),
632 	SND_SOC_DAPM_SWITCH_E("EAR Amp", CS42L73_PWRCTL3, 3, 1,
633 			    &ear_amp_ctl, cs42l73_ear_amp_event,
634 			SND_SOC_DAPM_POST_PMD),
635 	SND_SOC_DAPM_SWITCH_E("SPKLO Amp", CS42L73_PWRCTL3, 4, 1,
636 			    &spklo_amp_ctl, cs42l73_spklo_spk_amp_event,
637 			SND_SOC_DAPM_POST_PMD),
638 
639 	SND_SOC_DAPM_OUTPUT("HPOUTA"),
640 	SND_SOC_DAPM_OUTPUT("HPOUTB"),
641 	SND_SOC_DAPM_OUTPUT("LINEOUTA"),
642 	SND_SOC_DAPM_OUTPUT("LINEOUTB"),
643 	SND_SOC_DAPM_OUTPUT("EAROUT"),
644 	SND_SOC_DAPM_OUTPUT("SPKOUT"),
645 	SND_SOC_DAPM_OUTPUT("SPKLINEOUT"),
646 };
647 
648 static const struct snd_soc_dapm_route cs42l73_audio_map[] = {
649 
650 	/* SPKLO EARSPK Paths */
651 	{"EAROUT", NULL, "EAR Amp"},
652 	{"SPKLINEOUT", NULL, "SPKLO Amp"},
653 
654 	{"EAR Amp", "Switch", "ESL DAC"},
655 	{"SPKLO Amp", "Switch", "ESL DAC"},
656 
657 	{"ESL DAC", "ESL-ASP Mono Volume", "ESL Mixer"},
658 	{"ESL DAC", "ESL-XSP Mono Volume", "ESL Mixer"},
659 	{"ESL DAC", "ESL-VSP Mono Volume", "VSPINOUT"},
660 	/* Loopback */
661 	{"ESL DAC", "ESL-IP Mono Volume", "Input Left Capture"},
662 	{"ESL DAC", "ESL-IP Mono Volume", "Input Right Capture"},
663 
664 	{"ESL Mixer", NULL, "ESL-ASP Mux"},
665 	{"ESL Mixer", NULL, "ESL-XSP Mux"},
666 
667 	{"ESL-ASP Mux", "Left", "ASPINL"},
668 	{"ESL-ASP Mux", "Right", "ASPINR"},
669 	{"ESL-ASP Mux", "Mono Mix", "ASPINM"},
670 
671 	{"ESL-XSP Mux", "Left", "XSPINL"},
672 	{"ESL-XSP Mux", "Right", "XSPINR"},
673 	{"ESL-XSP Mux", "Mono Mix", "XSPINM"},
674 
675 	/* Speakerphone Paths */
676 	{"SPKOUT", NULL, "SPK Amp"},
677 	{"SPK Amp", "Switch", "SPK DAC"},
678 
679 	{"SPK DAC", "SPK-ASP Mono Volume", "SPK Mixer"},
680 	{"SPK DAC", "SPK-XSP Mono Volume", "SPK Mixer"},
681 	{"SPK DAC", "SPK-VSP Mono Volume", "VSPINOUT"},
682 	/* Loopback */
683 	{"SPK DAC", "SPK-IP Mono Volume", "Input Left Capture"},
684 	{"SPK DAC", "SPK-IP Mono Volume", "Input Right Capture"},
685 
686 	{"SPK Mixer", NULL, "SPK-ASP Mux"},
687 	{"SPK Mixer", NULL, "SPK-XSP Mux"},
688 
689 	{"SPK-ASP Mux", "Left", "ASPINL"},
690 	{"SPK-ASP Mux", "Mono Mix", "ASPINM"},
691 	{"SPK-ASP Mux", "Right", "ASPINR"},
692 
693 	{"SPK-XSP Mux", "Left", "XSPINL"},
694 	{"SPK-XSP Mux", "Mono Mix", "XSPINM"},
695 	{"SPK-XSP Mux", "Right", "XSPINR"},
696 
697 	/* HP LineOUT Paths */
698 	{"HPOUTA", NULL, "HP Amp"},
699 	{"HPOUTB", NULL, "HP Amp"},
700 	{"LINEOUTA", NULL, "LO Amp"},
701 	{"LINEOUTB", NULL, "LO Amp"},
702 
703 	{"HP Amp", "Switch", "HL Left DAC"},
704 	{"HP Amp", "Switch", "HL Right DAC"},
705 	{"LO Amp", "Switch", "HL Left DAC"},
706 	{"LO Amp", "Switch", "HL Right DAC"},
707 
708 	{"HL Left DAC", "HL-XSP Volume", "HL Left Mixer"},
709 	{"HL Right DAC", "HL-XSP Volume", "HL Right Mixer"},
710 	{"HL Left DAC", "HL-ASP Volume", "HL Left Mixer"},
711 	{"HL Right DAC", "HL-ASP Volume", "HL Right Mixer"},
712 	{"HL Left DAC", "HL-VSP Volume", "HL Left Mixer"},
713 	{"HL Right DAC", "HL-VSP Volume", "HL Right Mixer"},
714 	/* Loopback */
715 	{"HL Left DAC", "HL-IP Volume", "HL Left Mixer"},
716 	{"HL Right DAC", "HL-IP Volume", "HL Right Mixer"},
717 	{"HL Left Mixer", NULL, "Input Left Capture"},
718 	{"HL Right Mixer", NULL, "Input Right Capture"},
719 
720 	{"HL Left Mixer", NULL, "ASPINL"},
721 	{"HL Right Mixer", NULL, "ASPINR"},
722 	{"HL Left Mixer", NULL, "XSPINL"},
723 	{"HL Right Mixer", NULL, "XSPINR"},
724 	{"HL Left Mixer", NULL, "VSPINOUT"},
725 	{"HL Right Mixer", NULL, "VSPINOUT"},
726 
727 	{"ASPINL", NULL, "ASP Playback"},
728 	{"ASPINM", NULL, "ASP Playback"},
729 	{"ASPINR", NULL, "ASP Playback"},
730 	{"XSPINL", NULL, "XSP Playback"},
731 	{"XSPINM", NULL, "XSP Playback"},
732 	{"XSPINR", NULL, "XSP Playback"},
733 	{"VSPINOUT", NULL, "VSP Playback"},
734 
735 	/* Capture Paths */
736 	{"MIC1", NULL, "MIC1 Bias"},
737 	{"PGA Left Mux", "Mic 1", "MIC1"},
738 	{"MIC2", NULL, "MIC2 Bias"},
739 	{"PGA Right Mux", "Mic 2", "MIC2"},
740 
741 	{"PGA Left Mux", "Line A", "LINEINA"},
742 	{"PGA Right Mux", "Line B", "LINEINB"},
743 
744 	{"PGA Left", NULL, "PGA Left Mux"},
745 	{"PGA Right", NULL, "PGA Right Mux"},
746 
747 	{"ADC Left", NULL, "PGA Left"},
748 	{"ADC Right", NULL, "PGA Right"},
749 	{"DMIC Left", NULL, "DMICA"},
750 	{"DMIC Right", NULL, "DMICB"},
751 
752 	{"Input Left Capture", "ADC Left Input", "ADC Left"},
753 	{"Input Right Capture", "ADC Right Input", "ADC Right"},
754 	{"Input Left Capture", "DMIC Left Input", "DMIC Left"},
755 	{"Input Right Capture", "DMIC Right Input", "DMIC Right"},
756 
757 	/* Audio Capture */
758 	{"ASPL Output Mixer", NULL, "Input Left Capture"},
759 	{"ASPR Output Mixer", NULL, "Input Right Capture"},
760 
761 	{"ASPOUTL", "ASP-IP Volume", "ASPL Output Mixer"},
762 	{"ASPOUTR", "ASP-IP Volume", "ASPR Output Mixer"},
763 
764 	/* Auxillary Capture */
765 	{"XSPL Output Mixer", NULL, "Input Left Capture"},
766 	{"XSPR Output Mixer", NULL, "Input Right Capture"},
767 
768 	{"XSPOUTL", "XSP-IP Volume", "XSPL Output Mixer"},
769 	{"XSPOUTR", "XSP-IP Volume", "XSPR Output Mixer"},
770 
771 	{"XSPOUTL", NULL, "XSPL Output Mixer"},
772 	{"XSPOUTR", NULL, "XSPR Output Mixer"},
773 
774 	/* Voice Capture */
775 	{"VSP Output Mixer", NULL, "Input Left Capture"},
776 	{"VSP Output Mixer", NULL, "Input Right Capture"},
777 
778 	{"VSPINOUT", "VSP-IP Volume", "VSP Output Mixer"},
779 
780 	{"VSPINOUT", NULL, "VSP Output Mixer"},
781 
782 	{"ASP Capture", NULL, "ASPOUTL"},
783 	{"ASP Capture", NULL, "ASPOUTR"},
784 	{"XSP Capture", NULL, "XSPOUTL"},
785 	{"XSP Capture", NULL, "XSPOUTR"},
786 	{"VSP Capture", NULL, "VSPINOUT"},
787 };
788 
789 struct cs42l73_mclk_div {
790 	u32 mclk;
791 	u32 srate;
792 	u8 mmcc;
793 };
794 
795 static const struct cs42l73_mclk_div cs42l73_mclk_coeffs[] = {
796 	/* MCLK, Sample Rate, xMMCC[5:0] */
797 	{5644800, 11025, 0x30},
798 	{5644800, 22050, 0x20},
799 	{5644800, 44100, 0x10},
800 
801 	{6000000,  8000, 0x39},
802 	{6000000, 11025, 0x33},
803 	{6000000, 12000, 0x31},
804 	{6000000, 16000, 0x29},
805 	{6000000, 22050, 0x23},
806 	{6000000, 24000, 0x21},
807 	{6000000, 32000, 0x19},
808 	{6000000, 44100, 0x13},
809 	{6000000, 48000, 0x11},
810 
811 	{6144000,  8000, 0x38},
812 	{6144000, 12000, 0x30},
813 	{6144000, 16000, 0x28},
814 	{6144000, 24000, 0x20},
815 	{6144000, 32000, 0x18},
816 	{6144000, 48000, 0x10},
817 
818 	{6500000,  8000, 0x3C},
819 	{6500000, 11025, 0x35},
820 	{6500000, 12000, 0x34},
821 	{6500000, 16000, 0x2C},
822 	{6500000, 22050, 0x25},
823 	{6500000, 24000, 0x24},
824 	{6500000, 32000, 0x1C},
825 	{6500000, 44100, 0x15},
826 	{6500000, 48000, 0x14},
827 
828 	{6400000,  8000, 0x3E},
829 	{6400000, 11025, 0x37},
830 	{6400000, 12000, 0x36},
831 	{6400000, 16000, 0x2E},
832 	{6400000, 22050, 0x27},
833 	{6400000, 24000, 0x26},
834 	{6400000, 32000, 0x1E},
835 	{6400000, 44100, 0x17},
836 	{6400000, 48000, 0x16},
837 };
838 
839 struct cs42l73_mclkx_div {
840 	u32 mclkx;
841 	u8 ratio;
842 	u8 mclkdiv;
843 };
844 
845 static const struct cs42l73_mclkx_div cs42l73_mclkx_coeffs[] = {
846 	{5644800,  1, 0},	/* 5644800 */
847 	{6000000,  1, 0},	/* 6000000 */
848 	{6144000,  1, 0},	/* 6144000 */
849 	{11289600, 2, 2},	/* 5644800 */
850 	{12288000, 2, 2},	/* 6144000 */
851 	{12000000, 2, 2},	/* 6000000 */
852 	{13000000, 2, 2},	/* 6500000 */
853 	{19200000, 3, 3},	/* 6400000 */
854 	{24000000, 4, 4},	/* 6000000 */
855 	{26000000, 4, 4},	/* 6500000 */
856 	{38400000, 6, 5}	/* 6400000 */
857 };
858 
cs42l73_get_mclkx_coeff(int mclkx)859 static int cs42l73_get_mclkx_coeff(int mclkx)
860 {
861 	int i;
862 
863 	for (i = 0; i < ARRAY_SIZE(cs42l73_mclkx_coeffs); i++) {
864 		if (cs42l73_mclkx_coeffs[i].mclkx == mclkx)
865 			return i;
866 	}
867 	return -EINVAL;
868 }
869 
cs42l73_get_mclk_coeff(int mclk,int srate)870 static int cs42l73_get_mclk_coeff(int mclk, int srate)
871 {
872 	int i;
873 
874 	for (i = 0; i < ARRAY_SIZE(cs42l73_mclk_coeffs); i++) {
875 		if (cs42l73_mclk_coeffs[i].mclk == mclk &&
876 		    cs42l73_mclk_coeffs[i].srate == srate)
877 			return i;
878 	}
879 	return -EINVAL;
880 
881 }
882 
cs42l73_set_mclk(struct snd_soc_dai * dai,unsigned int freq)883 static int cs42l73_set_mclk(struct snd_soc_dai *dai, unsigned int freq)
884 {
885 	struct snd_soc_component *component = dai->component;
886 	struct cs42l73_private *priv = snd_soc_component_get_drvdata(component);
887 
888 	int mclkx_coeff;
889 	u32 mclk = 0;
890 	u8 dmmcc = 0;
891 
892 	/* MCLKX -> MCLK */
893 	mclkx_coeff = cs42l73_get_mclkx_coeff(freq);
894 	if (mclkx_coeff < 0)
895 		return mclkx_coeff;
896 
897 	mclk = cs42l73_mclkx_coeffs[mclkx_coeff].mclkx /
898 		cs42l73_mclkx_coeffs[mclkx_coeff].ratio;
899 
900 	dev_dbg(component->dev, "MCLK%u %u  <-> internal MCLK %u\n",
901 		 priv->mclksel + 1, cs42l73_mclkx_coeffs[mclkx_coeff].mclkx,
902 		 mclk);
903 
904 	dmmcc = (priv->mclksel << 4) |
905 		(cs42l73_mclkx_coeffs[mclkx_coeff].mclkdiv << 1);
906 
907 	snd_soc_component_write(component, CS42L73_DMMCC, dmmcc);
908 
909 	priv->sysclk = mclkx_coeff;
910 	priv->mclk = mclk;
911 
912 	return 0;
913 }
914 
cs42l73_set_sysclk(struct snd_soc_dai * dai,int clk_id,unsigned int freq,int dir)915 static int cs42l73_set_sysclk(struct snd_soc_dai *dai,
916 			      int clk_id, unsigned int freq, int dir)
917 {
918 	struct snd_soc_component *component = dai->component;
919 	struct cs42l73_private *priv = snd_soc_component_get_drvdata(component);
920 
921 	switch (clk_id) {
922 	case CS42L73_CLKID_MCLK1:
923 		break;
924 	case CS42L73_CLKID_MCLK2:
925 		break;
926 	default:
927 		return -EINVAL;
928 	}
929 
930 	if ((cs42l73_set_mclk(dai, freq)) < 0) {
931 		dev_err(component->dev, "Unable to set MCLK for dai %s\n",
932 			dai->name);
933 		return -EINVAL;
934 	}
935 
936 	priv->mclksel = clk_id;
937 
938 	return 0;
939 }
940 
cs42l73_set_dai_fmt(struct snd_soc_dai * codec_dai,unsigned int fmt)941 static int cs42l73_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
942 {
943 	struct snd_soc_component *component = codec_dai->component;
944 	struct cs42l73_private *priv = snd_soc_component_get_drvdata(component);
945 	u8 id = codec_dai->id;
946 	unsigned int inv, format;
947 	u8 spc, mmcc;
948 
949 	spc = snd_soc_component_read(component, CS42L73_SPC(id));
950 	mmcc = snd_soc_component_read(component, CS42L73_MMCC(id));
951 
952 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
953 	case SND_SOC_DAIFMT_CBP_CFP:
954 		mmcc |= CS42L73_MS_MASTER;
955 		break;
956 
957 	case SND_SOC_DAIFMT_CBC_CFC:
958 		mmcc &= ~CS42L73_MS_MASTER;
959 		break;
960 
961 	default:
962 		return -EINVAL;
963 	}
964 
965 	format = (fmt & SND_SOC_DAIFMT_FORMAT_MASK);
966 	inv = (fmt & SND_SOC_DAIFMT_INV_MASK);
967 
968 	switch (format) {
969 	case SND_SOC_DAIFMT_I2S:
970 		spc &= ~CS42L73_SPDIF_PCM;
971 		break;
972 	case SND_SOC_DAIFMT_DSP_A:
973 	case SND_SOC_DAIFMT_DSP_B:
974 		if (mmcc & CS42L73_MS_MASTER) {
975 			dev_err(component->dev,
976 				"PCM format in slave mode only\n");
977 			return -EINVAL;
978 		}
979 		if (id == CS42L73_ASP) {
980 			dev_err(component->dev,
981 				"PCM format is not supported on ASP port\n");
982 			return -EINVAL;
983 		}
984 		spc |= CS42L73_SPDIF_PCM;
985 		break;
986 	default:
987 		return -EINVAL;
988 	}
989 
990 	if (spc & CS42L73_SPDIF_PCM) {
991 		/* Clear PCM mode, clear PCM_BIT_ORDER bit for MSB->LSB */
992 		spc &= ~(CS42L73_PCM_MODE_MASK | CS42L73_PCM_BIT_ORDER);
993 		switch (format) {
994 		case SND_SOC_DAIFMT_DSP_B:
995 			if (inv == SND_SOC_DAIFMT_IB_IF)
996 				spc |= CS42L73_PCM_MODE0;
997 			if (inv == SND_SOC_DAIFMT_IB_NF)
998 				spc |= CS42L73_PCM_MODE1;
999 		break;
1000 		case SND_SOC_DAIFMT_DSP_A:
1001 			if (inv == SND_SOC_DAIFMT_IB_IF)
1002 				spc |= CS42L73_PCM_MODE1;
1003 			break;
1004 		default:
1005 			return -EINVAL;
1006 		}
1007 	}
1008 
1009 	priv->config[id].spc = spc;
1010 	priv->config[id].mmcc = mmcc;
1011 
1012 	return 0;
1013 }
1014 
1015 static const unsigned int cs42l73_asrc_rates[] = {
1016 	8000, 11025, 12000, 16000, 22050,
1017 	24000, 32000, 44100, 48000
1018 };
1019 
cs42l73_get_xspfs_coeff(u32 rate)1020 static unsigned int cs42l73_get_xspfs_coeff(u32 rate)
1021 {
1022 	int i;
1023 	for (i = 0; i < ARRAY_SIZE(cs42l73_asrc_rates); i++) {
1024 		if (cs42l73_asrc_rates[i] == rate)
1025 			return i + 1;
1026 	}
1027 	return 0;		/* 0 = Don't know */
1028 }
1029 
cs42l73_update_asrc(struct snd_soc_component * component,int id,int srate)1030 static void cs42l73_update_asrc(struct snd_soc_component *component, int id, int srate)
1031 {
1032 	u8 spfs = 0;
1033 
1034 	if (srate > 0)
1035 		spfs = cs42l73_get_xspfs_coeff(srate);
1036 
1037 	switch (id) {
1038 	case CS42L73_XSP:
1039 		snd_soc_component_update_bits(component, CS42L73_VXSPFS, 0x0f, spfs);
1040 	break;
1041 	case CS42L73_ASP:
1042 		snd_soc_component_update_bits(component, CS42L73_ASPC, 0x3c, spfs << 2);
1043 	break;
1044 	case CS42L73_VSP:
1045 		snd_soc_component_update_bits(component, CS42L73_VXSPFS, 0xf0, spfs << 4);
1046 	break;
1047 	default:
1048 	break;
1049 	}
1050 }
1051 
cs42l73_pcm_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)1052 static int cs42l73_pcm_hw_params(struct snd_pcm_substream *substream,
1053 				 struct snd_pcm_hw_params *params,
1054 				 struct snd_soc_dai *dai)
1055 {
1056 	struct snd_soc_component *component = dai->component;
1057 	struct cs42l73_private *priv = snd_soc_component_get_drvdata(component);
1058 	int id = dai->id;
1059 	int mclk_coeff;
1060 	int srate = params_rate(params);
1061 
1062 	if (priv->config[id].mmcc & CS42L73_MS_MASTER) {
1063 		/* CS42L73 Master */
1064 		/* MCLK -> srate */
1065 		mclk_coeff =
1066 		    cs42l73_get_mclk_coeff(priv->mclk, srate);
1067 
1068 		if (mclk_coeff < 0)
1069 			return -EINVAL;
1070 
1071 		dev_dbg(component->dev,
1072 			 "DAI[%d]: MCLK %u, srate %u, MMCC[5:0] = %x\n",
1073 			 id, priv->mclk, srate,
1074 			 cs42l73_mclk_coeffs[mclk_coeff].mmcc);
1075 
1076 		priv->config[id].mmcc &= 0xC0;
1077 		priv->config[id].mmcc |= cs42l73_mclk_coeffs[mclk_coeff].mmcc;
1078 		priv->config[id].spc &= 0xFC;
1079 		/* Use SCLK=64*Fs if internal MCLK >= 6.4MHz */
1080 		if (priv->mclk >= 6400000)
1081 			priv->config[id].spc |= CS42L73_MCK_SCLK_64FS;
1082 		else
1083 			priv->config[id].spc |= CS42L73_MCK_SCLK_MCLK;
1084 	} else {
1085 		/* CS42L73 Slave */
1086 		priv->config[id].spc &= 0xFC;
1087 		priv->config[id].spc |= CS42L73_MCK_SCLK_64FS;
1088 	}
1089 	/* Update ASRCs */
1090 	priv->config[id].srate = srate;
1091 
1092 	snd_soc_component_write(component, CS42L73_SPC(id), priv->config[id].spc);
1093 	snd_soc_component_write(component, CS42L73_MMCC(id), priv->config[id].mmcc);
1094 
1095 	cs42l73_update_asrc(component, id, srate);
1096 
1097 	return 0;
1098 }
1099 
cs42l73_set_bias_level(struct snd_soc_component * component,enum snd_soc_bias_level level)1100 static int cs42l73_set_bias_level(struct snd_soc_component *component,
1101 				  enum snd_soc_bias_level level)
1102 {
1103 	struct cs42l73_private *cs42l73 = snd_soc_component_get_drvdata(component);
1104 
1105 	switch (level) {
1106 	case SND_SOC_BIAS_ON:
1107 		snd_soc_component_update_bits(component, CS42L73_DMMCC, CS42L73_MCLKDIS, 0);
1108 		snd_soc_component_update_bits(component, CS42L73_PWRCTL1, CS42L73_PDN, 0);
1109 		break;
1110 
1111 	case SND_SOC_BIAS_PREPARE:
1112 		break;
1113 
1114 	case SND_SOC_BIAS_STANDBY:
1115 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
1116 			regcache_cache_only(cs42l73->regmap, false);
1117 			regcache_sync(cs42l73->regmap);
1118 		}
1119 		snd_soc_component_update_bits(component, CS42L73_PWRCTL1, CS42L73_PDN, 1);
1120 		break;
1121 
1122 	case SND_SOC_BIAS_OFF:
1123 		snd_soc_component_update_bits(component, CS42L73_PWRCTL1, CS42L73_PDN, 1);
1124 		if (cs42l73->shutdwn_delay > 0) {
1125 			mdelay(cs42l73->shutdwn_delay);
1126 			cs42l73->shutdwn_delay = 0;
1127 		} else {
1128 			mdelay(15); /* Min amount of time requred to power
1129 				     * down.
1130 				     */
1131 		}
1132 		snd_soc_component_update_bits(component, CS42L73_DMMCC, CS42L73_MCLKDIS, 1);
1133 		break;
1134 	}
1135 	return 0;
1136 }
1137 
cs42l73_set_tristate(struct snd_soc_dai * dai,int tristate)1138 static int cs42l73_set_tristate(struct snd_soc_dai *dai, int tristate)
1139 {
1140 	struct snd_soc_component *component = dai->component;
1141 	int id = dai->id;
1142 
1143 	return snd_soc_component_update_bits(component, CS42L73_SPC(id), CS42L73_SP_3ST,
1144 				   tristate << 7);
1145 }
1146 
1147 static const struct snd_pcm_hw_constraint_list constraints_12_24 = {
1148 	.count  = ARRAY_SIZE(cs42l73_asrc_rates),
1149 	.list   = cs42l73_asrc_rates,
1150 };
1151 
cs42l73_pcm_startup(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)1152 static int cs42l73_pcm_startup(struct snd_pcm_substream *substream,
1153 			       struct snd_soc_dai *dai)
1154 {
1155 	snd_pcm_hw_constraint_list(substream->runtime, 0,
1156 					SNDRV_PCM_HW_PARAM_RATE,
1157 					&constraints_12_24);
1158 	return 0;
1159 }
1160 
1161 
1162 #define CS42L73_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1163 	SNDRV_PCM_FMTBIT_S24_LE)
1164 
1165 static const struct snd_soc_dai_ops cs42l73_ops = {
1166 	.startup = cs42l73_pcm_startup,
1167 	.hw_params = cs42l73_pcm_hw_params,
1168 	.set_fmt = cs42l73_set_dai_fmt,
1169 	.set_sysclk = cs42l73_set_sysclk,
1170 	.set_tristate = cs42l73_set_tristate,
1171 };
1172 
1173 static struct snd_soc_dai_driver cs42l73_dai[] = {
1174 	{
1175 		.name = "cs42l73-xsp",
1176 		.id = CS42L73_XSP,
1177 		.playback = {
1178 			.stream_name = "XSP Playback",
1179 			.channels_min = 1,
1180 			.channels_max = 2,
1181 			.rates = SNDRV_PCM_RATE_KNOT,
1182 			.formats = CS42L73_FORMATS,
1183 		},
1184 		.capture = {
1185 			.stream_name = "XSP Capture",
1186 			.channels_min = 1,
1187 			.channels_max = 2,
1188 			.rates = SNDRV_PCM_RATE_KNOT,
1189 			.formats = CS42L73_FORMATS,
1190 		},
1191 		.ops = &cs42l73_ops,
1192 		.symmetric_rate = 1,
1193 	 },
1194 	{
1195 		.name = "cs42l73-asp",
1196 		.id = CS42L73_ASP,
1197 		.playback = {
1198 			.stream_name = "ASP Playback",
1199 			.channels_min = 2,
1200 			.channels_max = 2,
1201 			.rates = SNDRV_PCM_RATE_KNOT,
1202 			.formats = CS42L73_FORMATS,
1203 		},
1204 		.capture = {
1205 			.stream_name = "ASP Capture",
1206 			.channels_min = 2,
1207 			.channels_max = 2,
1208 			.rates = SNDRV_PCM_RATE_KNOT,
1209 			.formats = CS42L73_FORMATS,
1210 		},
1211 		.ops = &cs42l73_ops,
1212 		.symmetric_rate = 1,
1213 	 },
1214 	{
1215 		.name = "cs42l73-vsp",
1216 		.id = CS42L73_VSP,
1217 		.playback = {
1218 			.stream_name = "VSP Playback",
1219 			.channels_min = 1,
1220 			.channels_max = 2,
1221 			.rates = SNDRV_PCM_RATE_KNOT,
1222 			.formats = CS42L73_FORMATS,
1223 		},
1224 		.capture = {
1225 			.stream_name = "VSP Capture",
1226 			.channels_min = 1,
1227 			.channels_max = 2,
1228 			.rates = SNDRV_PCM_RATE_KNOT,
1229 			.formats = CS42L73_FORMATS,
1230 		},
1231 		.ops = &cs42l73_ops,
1232 		.symmetric_rate = 1,
1233 	 }
1234 };
1235 
cs42l73_probe(struct snd_soc_component * component)1236 static int cs42l73_probe(struct snd_soc_component *component)
1237 {
1238 	struct cs42l73_private *cs42l73 = snd_soc_component_get_drvdata(component);
1239 
1240 	/* Set Charge Pump Frequency */
1241 	if (cs42l73->pdata.chgfreq)
1242 		snd_soc_component_update_bits(component, CS42L73_CPFCHC,
1243 				    CS42L73_CHARGEPUMP_MASK,
1244 					cs42l73->pdata.chgfreq << 4);
1245 
1246 	/* MCLK1 as master clk */
1247 	cs42l73->mclksel = CS42L73_CLKID_MCLK1;
1248 	cs42l73->mclk = 0;
1249 
1250 	return 0;
1251 }
1252 
1253 static const struct snd_soc_component_driver soc_component_dev_cs42l73 = {
1254 	.probe			= cs42l73_probe,
1255 	.set_bias_level		= cs42l73_set_bias_level,
1256 	.controls		= cs42l73_snd_controls,
1257 	.num_controls		= ARRAY_SIZE(cs42l73_snd_controls),
1258 	.dapm_widgets		= cs42l73_dapm_widgets,
1259 	.num_dapm_widgets	= ARRAY_SIZE(cs42l73_dapm_widgets),
1260 	.dapm_routes		= cs42l73_audio_map,
1261 	.num_dapm_routes	= ARRAY_SIZE(cs42l73_audio_map),
1262 	.suspend_bias_off	= 1,
1263 	.idle_bias_on		= 1,
1264 	.use_pmdown_time	= 1,
1265 	.endianness		= 1,
1266 };
1267 
1268 static const struct regmap_config cs42l73_regmap = {
1269 	.reg_bits = 8,
1270 	.val_bits = 8,
1271 
1272 	.max_register = CS42L73_MAX_REGISTER,
1273 	.reg_defaults = cs42l73_reg_defaults,
1274 	.num_reg_defaults = ARRAY_SIZE(cs42l73_reg_defaults),
1275 	.volatile_reg = cs42l73_volatile_register,
1276 	.readable_reg = cs42l73_readable_register,
1277 	.cache_type = REGCACHE_MAPLE,
1278 
1279 	.use_single_read = true,
1280 	.use_single_write = true,
1281 };
1282 
cs42l73_i2c_probe(struct i2c_client * i2c_client)1283 static int cs42l73_i2c_probe(struct i2c_client *i2c_client)
1284 {
1285 	struct cs42l73_private *cs42l73;
1286 	struct cs42l73_platform_data *pdata;
1287 	int ret, devid;
1288 	unsigned int reg;
1289 	u32 val32;
1290 
1291 	cs42l73 = devm_kzalloc(&i2c_client->dev, sizeof(*cs42l73), GFP_KERNEL);
1292 	if (!cs42l73)
1293 		return -ENOMEM;
1294 
1295 	cs42l73->regmap = devm_regmap_init_i2c(i2c_client, &cs42l73_regmap);
1296 	if (IS_ERR(cs42l73->regmap)) {
1297 		ret = PTR_ERR(cs42l73->regmap);
1298 		dev_err(&i2c_client->dev, "regmap_init() failed: %d\n", ret);
1299 		return ret;
1300 	}
1301 
1302 	pdata = devm_kzalloc(&i2c_client->dev, sizeof(*pdata), GFP_KERNEL);
1303 	if (!pdata)
1304 		return -ENOMEM;
1305 
1306 	if (i2c_client->dev.of_node) {
1307 		if (of_property_read_u32(i2c_client->dev.of_node, "chgfreq", &val32) >= 0)
1308 			pdata->chgfreq = val32;
1309 	}
1310 	pdata->reset_gpio = devm_gpiod_get_optional(&i2c_client->dev, "reset", GPIOD_OUT_LOW);
1311 
1312 	if (IS_ERR(pdata->reset_gpio))
1313 		return PTR_ERR(pdata->reset_gpio);
1314 
1315 	gpiod_set_consumer_name(pdata->reset_gpio, "CS42L73 /RST");
1316 	cs42l73->pdata = *pdata;
1317 
1318 	i2c_set_clientdata(i2c_client, cs42l73);
1319 
1320 	if (cs42l73->pdata.reset_gpio) {
1321 		gpiod_set_value_cansleep(cs42l73->pdata.reset_gpio, 1);
1322 		gpiod_set_value_cansleep(cs42l73->pdata.reset_gpio, 0);
1323 	}
1324 
1325 	/* initialize codec */
1326 	devid = cirrus_read_device_id(cs42l73->regmap, CS42L73_DEVID_AB);
1327 	if (devid < 0) {
1328 		ret = devid;
1329 		dev_err(&i2c_client->dev, "Failed to read device ID: %d\n", ret);
1330 		goto err_reset;
1331 	}
1332 
1333 	if (devid != CS42L73_DEVID) {
1334 		ret = -ENODEV;
1335 		dev_err(&i2c_client->dev,
1336 			"CS42L73 Device ID (%X). Expected %X\n",
1337 			devid, CS42L73_DEVID);
1338 		goto err_reset;
1339 	}
1340 
1341 	ret = regmap_read(cs42l73->regmap, CS42L73_REVID, &reg);
1342 	if (ret < 0) {
1343 		dev_err(&i2c_client->dev, "Get Revision ID failed\n");
1344 		goto err_reset;
1345 	}
1346 
1347 	dev_info(&i2c_client->dev,
1348 		 "Cirrus Logic CS42L73, Revision: %02X\n", reg & 0xFF);
1349 
1350 	ret = devm_snd_soc_register_component(&i2c_client->dev,
1351 			&soc_component_dev_cs42l73, cs42l73_dai,
1352 			ARRAY_SIZE(cs42l73_dai));
1353 	if (ret < 0)
1354 		goto err_reset;
1355 
1356 	return 0;
1357 
1358 err_reset:
1359 	gpiod_set_value_cansleep(cs42l73->pdata.reset_gpio, 1);
1360 
1361 	return ret;
1362 }
1363 
1364 static const struct of_device_id cs42l73_of_match[] = {
1365 	{ .compatible = "cirrus,cs42l73", },
1366 	{},
1367 };
1368 MODULE_DEVICE_TABLE(of, cs42l73_of_match);
1369 
1370 static const struct i2c_device_id cs42l73_id[] = {
1371 	{"cs42l73"},
1372 	{}
1373 };
1374 
1375 MODULE_DEVICE_TABLE(i2c, cs42l73_id);
1376 
1377 static struct i2c_driver cs42l73_i2c_driver = {
1378 	.driver = {
1379 		   .name = "cs42l73",
1380 		   .of_match_table = cs42l73_of_match,
1381 		   },
1382 	.id_table = cs42l73_id,
1383 	.probe = cs42l73_i2c_probe,
1384 
1385 };
1386 
1387 module_i2c_driver(cs42l73_i2c_driver);
1388 
1389 MODULE_DESCRIPTION("ASoC CS42L73 driver");
1390 MODULE_AUTHOR("Georgi Vlaev, Nucleus Systems Ltd, <joe@nucleusys.com>");
1391 MODULE_AUTHOR("Brian Austin, Cirrus Logic Inc, <brian.austin@cirrus.com>");
1392 MODULE_LICENSE("GPL");
1393