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gerrit-public.fairphone.software / kernel / msm-4.19 / 298b083cf9dd2efd9bb7020107ab0077135051e0 / . / sound / soc / codecs / cs42l73.c
blob: 9d38db8f1919d3b81bf6d7f68b99232ad324331e [file] [log] [blame]
Brian Austin6d10c912011-11-16 12:32:27 -0600[diff] [blame]1/*
2 * cs42l73.c -- CS42L73 ALSA Soc Audio driver
3 *
4 * Copyright 2011 Cirrus Logic, Inc.
5 *
6 * Authors: Georgi Vlaev, Nucleus Systems Ltd, <joe@nucleusys.com>
7 * Brian Austin, Cirrus Logic Inc, <brian.austin@cirrus.com>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 *
13 */
14
15#include <linux/module.h>
16#include <linux/moduleparam.h>
17#include <linux/kernel.h>
18#include <linux/init.h>
19#include <linux/delay.h>
20#include <linux/pm.h>
21#include <linux/i2c.h>
22#include <linux/regmap.h>
23#include <linux/slab.h>
24#include <sound/core.h>
25#include <sound/pcm.h>
26#include <sound/pcm_params.h>
27#include <sound/soc.h>
28#include <sound/soc-dapm.h>
29#include <sound/initval.h>
30#include <sound/tlv.h>
31#include "cs42l73.h"
32
33struct sp_config {
34 u8 spc, mmcc, spfs;
35 u32 srate;
36};
37struct cs42l73_private {
38 struct sp_config config[3];
39 struct regmap *regmap;
40 u32 sysclk;
41 u8 mclksel;
42 u32 mclk;
43};
44
Mark Brown404417e2011-11-22 15:13:30 +0000[diff] [blame]45static const struct reg_default cs42l73_reg_defaults[] = {
Brian Austin6d10c912011-11-16 12:32:27 -0600[diff] [blame]46 { 1, 0x42 }, /* r01 - Device ID A&B */
47 { 2, 0xA7 }, /* r02 - Device ID C&D */
48 { 3, 0x30 }, /* r03 - Device ID E */
49 { 6, 0xF1 }, /* r06 - Power Ctl 1 */
50 { 7, 0xDF }, /* r07 - Power Ctl 2 */
51 { 8, 0x3F }, /* r08 - Power Ctl 3 */
52 { 9, 0x50 }, /* r09 - Charge Pump Freq */
53 { 10, 0x53 }, /* r0A - Output Load MicBias Short Detect */
54 { 11, 0x00 }, /* r0B - DMIC Master Clock Ctl */
55 { 12, 0x00 }, /* r0C - Aux PCM Ctl */
56 { 13, 0x15 }, /* r0D - Aux PCM Master Clock Ctl */
57 { 14, 0x00 }, /* r0E - Audio PCM Ctl */
58 { 15, 0x15 }, /* r0F - Audio PCM Master Clock Ctl */
59 { 16, 0x00 }, /* r10 - Voice PCM Ctl */
60 { 17, 0x15 }, /* r11 - Voice PCM Master Clock Ctl */
61 { 18, 0x00 }, /* r12 - Voice/Aux Sample Rate */
62 { 19, 0x06 }, /* r13 - Misc I/O Path Ctl */
63 { 20, 0x00 }, /* r14 - ADC Input Path Ctl */
64 { 21, 0x00 }, /* r15 - MICA Preamp, PGA Volume */
65 { 22, 0x00 }, /* r16 - MICB Preamp, PGA Volume */
66 { 23, 0x00 }, /* r17 - Input Path A Digital Volume */
67 { 24, 0x00 }, /* r18 - Input Path B Digital Volume */
68 { 25, 0x00 }, /* r19 - Playback Digital Ctl */
69 { 26, 0x00 }, /* r1A - HP/LO Left Digital Volume */
70 { 27, 0x00 }, /* r1B - HP/LO Right Digital Volume */
71 { 28, 0x00 }, /* r1C - Speakerphone Digital Volume */
72 { 29, 0x00 }, /* r1D - Ear/SPKLO Digital Volume */
73 { 30, 0x00 }, /* r1E - HP Left Analog Volume */
74 { 31, 0x00 }, /* r1F - HP Right Analog Volume */
75 { 32, 0x00 }, /* r20 - LO Left Analog Volume */
76 { 33, 0x00 }, /* r21 - LO Right Analog Volume */
77 { 34, 0x00 }, /* r22 - Stereo Input Path Advisory Volume */
78 { 35, 0x00 }, /* r23 - Aux PCM Input Advisory Volume */
79 { 36, 0x00 }, /* r24 - Audio PCM Input Advisory Volume */
80 { 37, 0x00 }, /* r25 - Voice PCM Input Advisory Volume */
81 { 38, 0x00 }, /* r26 - Limiter Attack Rate HP/LO */
82 { 39, 0x7F }, /* r27 - Limter Ctl, Release Rate HP/LO */
83 { 40, 0x00 }, /* r28 - Limter Threshold HP/LO */
84 { 41, 0x00 }, /* r29 - Limiter Attack Rate Speakerphone */
85 { 42, 0x3F }, /* r2A - Limter Ctl, Release Rate Speakerphone */
86 { 43, 0x00 }, /* r2B - Limter Threshold Speakerphone */
87 { 44, 0x00 }, /* r2C - Limiter Attack Rate Ear/SPKLO */
88 { 45, 0x3F }, /* r2D - Limter Ctl, Release Rate Ear/SPKLO */
89 { 46, 0x00 }, /* r2E - Limter Threshold Ear/SPKLO */
90 { 47, 0x00 }, /* r2F - ALC Enable, Attack Rate Left/Right */
91 { 48, 0x3F }, /* r30 - ALC Release Rate Left/Right */
92 { 49, 0x00 }, /* r31 - ALC Threshold Left/Right */
93 { 50, 0x00 }, /* r32 - Noise Gate Ctl Left/Right */
94 { 51, 0x00 }, /* r33 - ALC/NG Misc Ctl */
95 { 52, 0x18 }, /* r34 - Mixer Ctl */
96 { 53, 0x3F }, /* r35 - HP/LO Left Mixer Input Path Volume */
97 { 54, 0x3F }, /* r36 - HP/LO Right Mixer Input Path Volume */
98 { 55, 0x3F }, /* r37 - HP/LO Left Mixer Aux PCM Volume */
99 { 56, 0x3F }, /* r38 - HP/LO Right Mixer Aux PCM Volume */
100 { 57, 0x3F }, /* r39 - HP/LO Left Mixer Audio PCM Volume */
101 { 58, 0x3F }, /* r3A - HP/LO Right Mixer Audio PCM Volume */
102 { 59, 0x3F }, /* r3B - HP/LO Left Mixer Voice PCM Mono Volume */
103 { 60, 0x3F }, /* r3C - HP/LO Right Mixer Voice PCM Mono Volume */
104 { 61, 0x3F }, /* r3D - Aux PCM Left Mixer Input Path Volume */
105 { 62, 0x3F }, /* r3E - Aux PCM Right Mixer Input Path Volume */
106 { 63, 0x3F }, /* r3F - Aux PCM Left Mixer Volume */
107 { 64, 0x3F }, /* r40 - Aux PCM Left Mixer Volume */
108 { 65, 0x3F }, /* r41 - Aux PCM Left Mixer Audio PCM L Volume */
109 { 66, 0x3F }, /* r42 - Aux PCM Right Mixer Audio PCM R Volume */
110 { 67, 0x3F }, /* r43 - Aux PCM Left Mixer Voice PCM Volume */
111 { 68, 0x3F }, /* r44 - Aux PCM Right Mixer Voice PCM Volume */
112 { 69, 0x3F }, /* r45 - Audio PCM Left Input Path Volume */
113 { 70, 0x3F }, /* r46 - Audio PCM Right Input Path Volume */
114 { 71, 0x3F }, /* r47 - Audio PCM Left Mixer Aux PCM L Volume */
115 { 72, 0x3F }, /* r48 - Audio PCM Right Mixer Aux PCM R Volume */
116 { 73, 0x3F }, /* r49 - Audio PCM Left Mixer Volume */
117 { 74, 0x3F }, /* r4A - Audio PCM Right Mixer Volume */
118 { 75, 0x3F }, /* r4B - Audio PCM Left Mixer Voice PCM Volume */
119 { 76, 0x3F }, /* r4C - Audio PCM Right Mixer Voice PCM Volume */
120 { 77, 0x3F }, /* r4D - Voice PCM Left Input Path Volume */
121 { 78, 0x3F }, /* r4E - Voice PCM Right Input Path Volume */
122 { 79, 0x3F }, /* r4F - Voice PCM Left Mixer Aux PCM L Volume */
123 { 80, 0x3F }, /* r50 - Voice PCM Right Mixer Aux PCM R Volume */
124 { 81, 0x3F }, /* r51 - Voice PCM Left Mixer Audio PCM L Volume */
125 { 82, 0x3F }, /* r52 - Voice PCM Right Mixer Audio PCM R Volume */
126 { 83, 0x3F }, /* r53 - Voice PCM Left Mixer Voice PCM Volume */
127 { 84, 0x3F }, /* r54 - Voice PCM Right Mixer Voice PCM Volume */
128 { 85, 0xAA }, /* r55 - Mono Mixer Ctl */
129 { 86, 0x3F }, /* r56 - SPK Mono Mixer Input Path Volume */
130 { 87, 0x3F }, /* r57 - SPK Mono Mixer Aux PCM Mono/L/R Volume */
131 { 88, 0x3F }, /* r58 - SPK Mono Mixer Audio PCM Mono/L/R Volume */
132 { 89, 0x3F }, /* r59 - SPK Mono Mixer Voice PCM Mono Volume */
133 { 90, 0x3F }, /* r5A - SPKLO Mono Mixer Input Path Mono Volume */
134 { 91, 0x3F }, /* r5B - SPKLO Mono Mixer Aux Mono/L/R Volume */
135 { 92, 0x3F }, /* r5C - SPKLO Mono Mixer Audio Mono/L/R Volume */
136 { 93, 0x3F }, /* r5D - SPKLO Mono Mixer Voice Mono Volume */
137 { 94, 0x00 }, /* r5E - Interrupt Mask 1 */
138 { 95, 0x00 }, /* r5F - Interrupt Mask 2 */
139};
140
141static bool cs42l73_volatile_register(struct device *dev, unsigned int reg)
142{
143 switch (reg) {
144 case CS42L73_IS1:
145 case CS42L73_IS2:
146 return true;
147 default:
148 return false;
149 }
150}
151
152static bool cs42l73_readable_register(struct device *dev, unsigned int reg)
153{
154 switch (reg) {
155 case CS42L73_DEVID_AB:
156 case CS42L73_DEVID_CD:
157 case CS42L73_DEVID_E:
158 case CS42L73_REVID:
159 case CS42L73_PWRCTL1:
160 case CS42L73_PWRCTL2:
161 case CS42L73_PWRCTL3:
162 case CS42L73_CPFCHC:
163 case CS42L73_OLMBMSDC:
164 case CS42L73_DMMCC:
165 case CS42L73_XSPC:
166 case CS42L73_XSPMMCC:
167 case CS42L73_ASPC:
168 case CS42L73_ASPMMCC:
169 case CS42L73_VSPC:
170 case CS42L73_VSPMMCC:
171 case CS42L73_VXSPFS:
172 case CS42L73_MIOPC:
173 case CS42L73_ADCIPC:
174 case CS42L73_MICAPREPGAAVOL:
175 case CS42L73_MICBPREPGABVOL:
176 case CS42L73_IPADVOL:
177 case CS42L73_IPBDVOL:
178 case CS42L73_PBDC:
179 case CS42L73_HLADVOL:
180 case CS42L73_HLBDVOL:
181 case CS42L73_SPKDVOL:
182 case CS42L73_ESLDVOL:
183 case CS42L73_HPAAVOL:
184 case CS42L73_HPBAVOL:
185 case CS42L73_LOAAVOL:
186 case CS42L73_LOBAVOL:
187 case CS42L73_STRINV:
188 case CS42L73_XSPINV:
189 case CS42L73_ASPINV:
190 case CS42L73_VSPINV:
191 case CS42L73_LIMARATEHL:
192 case CS42L73_LIMRRATEHL:
193 case CS42L73_LMAXHL:
194 case CS42L73_LIMARATESPK:
195 case CS42L73_LIMRRATESPK:
196 case CS42L73_LMAXSPK:
197 case CS42L73_LIMARATEESL:
198 case CS42L73_LIMRRATEESL:
199 case CS42L73_LMAXESL:
200 case CS42L73_ALCARATE:
201 case CS42L73_ALCRRATE:
202 case CS42L73_ALCMINMAX:
203 case CS42L73_NGCAB:
204 case CS42L73_ALCNGMC:
205 case CS42L73_MIXERCTL:
206 case CS42L73_HLAIPAA:
207 case CS42L73_HLBIPBA:
208 case CS42L73_HLAXSPAA:
209 case CS42L73_HLBXSPBA:
210 case CS42L73_HLAASPAA:
211 case CS42L73_HLBASPBA:
212 case CS42L73_HLAVSPMA:
213 case CS42L73_HLBVSPMA:
214 case CS42L73_XSPAIPAA:
215 case CS42L73_XSPBIPBA:
216 case CS42L73_XSPAXSPAA:
217 case CS42L73_XSPBXSPBA:
218 case CS42L73_XSPAASPAA:
219 case CS42L73_XSPAASPBA:
220 case CS42L73_XSPAVSPMA:
221 case CS42L73_XSPBVSPMA:
222 case CS42L73_ASPAIPAA:
223 case CS42L73_ASPBIPBA:
224 case CS42L73_ASPAXSPAA:
225 case CS42L73_ASPBXSPBA:
226 case CS42L73_ASPAASPAA:
227 case CS42L73_ASPBASPBA:
228 case CS42L73_ASPAVSPMA:
229 case CS42L73_ASPBVSPMA:
230 case CS42L73_VSPAIPAA:
231 case CS42L73_VSPBIPBA:
232 case CS42L73_VSPAXSPAA:
233 case CS42L73_VSPBXSPBA:
234 case CS42L73_VSPAASPAA:
235 case CS42L73_VSPBASPBA:
236 case CS42L73_VSPAVSPMA:
237 case CS42L73_VSPBVSPMA:
238 case CS42L73_MMIXCTL:
239 case CS42L73_SPKMIPMA:
240 case CS42L73_SPKMXSPA:
241 case CS42L73_SPKMASPA:
242 case CS42L73_SPKMVSPMA:
243 case CS42L73_ESLMIPMA:
244 case CS42L73_ESLMXSPA:
245 case CS42L73_ESLMASPA:
246 case CS42L73_ESLMVSPMA:
247 case CS42L73_IM1:
248 case CS42L73_IM2:
249 return true;
250 default:
251 return false;
252 }
253}
254
255static const unsigned int hpaloa_tlv[] = {
256 TLV_DB_RANGE_HEAD(2),
257 0, 13, TLV_DB_SCALE_ITEM(-7600, 200, 0),
258 14, 75, TLV_DB_SCALE_ITEM(-4900, 100, 0),
259};
260
261static DECLARE_TLV_DB_SCALE(adc_boost_tlv, 0, 2500, 0);
262
263static DECLARE_TLV_DB_SCALE(hl_tlv, -10200, 50, 0);
264
265static DECLARE_TLV_DB_SCALE(ipd_tlv, -9600, 100, 0);
266
267static DECLARE_TLV_DB_SCALE(micpga_tlv, -600, 50, 0);
268
269static const unsigned int limiter_tlv[] = {
270 TLV_DB_RANGE_HEAD(2),
271 0, 2, TLV_DB_SCALE_ITEM(-3000, 600, 0),
272 3, 7, TLV_DB_SCALE_ITEM(-1200, 300, 0),
273};
274
275static const DECLARE_TLV_DB_SCALE(attn_tlv, -6300, 100, 1);
276
277static const char * const cs42l73_pgaa_text[] = { "Line A", "Mic 1" };
278static const char * const cs42l73_pgab_text[] = { "Line B", "Mic 2" };
279
280static const struct soc_enum pgaa_enum =
281 SOC_ENUM_SINGLE(CS42L73_ADCIPC, 3,
282 ARRAY_SIZE(cs42l73_pgaa_text), cs42l73_pgaa_text);
283
284static const struct soc_enum pgab_enum =
285 SOC_ENUM_SINGLE(CS42L73_ADCIPC, 7,
286 ARRAY_SIZE(cs42l73_pgab_text), cs42l73_pgab_text);
287
288static const struct snd_kcontrol_new pgaa_mux =
289 SOC_DAPM_ENUM("Left Analog Input Capture Mux", pgaa_enum);
290
291static const struct snd_kcontrol_new pgab_mux =
292 SOC_DAPM_ENUM("Right Analog Input Capture Mux", pgab_enum);
293
294static const struct snd_kcontrol_new input_left_mixer[] = {
295 SOC_DAPM_SINGLE("ADC Left Input", CS42L73_PWRCTL1,
296 5, 1, 1),
297 SOC_DAPM_SINGLE("DMIC Left Input", CS42L73_PWRCTL1,
298 4, 1, 1),
299};
300
301static const struct snd_kcontrol_new input_right_mixer[] = {
302 SOC_DAPM_SINGLE("ADC Right Input", CS42L73_PWRCTL1,
303 7, 1, 1),
304 SOC_DAPM_SINGLE("DMIC Right Input", CS42L73_PWRCTL1,
305 6, 1, 1),
306};
307
308static const char * const cs42l73_ng_delay_text[] = {
309 "50ms", "100ms", "150ms", "200ms" };
310
311static const struct soc_enum ng_delay_enum =
312 SOC_ENUM_SINGLE(CS42L73_NGCAB, 0,
313 ARRAY_SIZE(cs42l73_ng_delay_text), cs42l73_ng_delay_text);
314
315static const char * const charge_pump_freq_text[] = {
316 "0", "1", "2", "3", "4",
317 "5", "6", "7", "8", "9",
318 "10", "11", "12", "13", "14", "15" };
319
320static const struct soc_enum charge_pump_enum =
321 SOC_ENUM_SINGLE(CS42L73_CPFCHC, 4,
322 ARRAY_SIZE(charge_pump_freq_text), charge_pump_freq_text);
323
324static const char * const cs42l73_mono_mix_texts[] = {
325 "Left", "Right", "Mono Mix"};
326
327static const unsigned int cs42l73_mono_mix_values[] = { 0, 1, 2 };
328
329static const struct soc_enum spk_asp_enum =
330 SOC_VALUE_ENUM_SINGLE(CS42L73_MMIXCTL, 6, 1,
331 ARRAY_SIZE(cs42l73_mono_mix_texts),
332 cs42l73_mono_mix_texts,
333 cs42l73_mono_mix_values);
334
335static const struct snd_kcontrol_new spk_asp_mixer =
336 SOC_DAPM_ENUM("Route", spk_asp_enum);
337
338static const struct soc_enum spk_xsp_enum =
339 SOC_VALUE_ENUM_SINGLE(CS42L73_MMIXCTL, 4, 3,
340 ARRAY_SIZE(cs42l73_mono_mix_texts),
341 cs42l73_mono_mix_texts,
342 cs42l73_mono_mix_values);
343
344static const struct snd_kcontrol_new spk_xsp_mixer =
345 SOC_DAPM_ENUM("Route", spk_xsp_enum);
346
347static const struct soc_enum esl_asp_enum =
348 SOC_VALUE_ENUM_SINGLE(CS42L73_MMIXCTL, 2, 5,
349 ARRAY_SIZE(cs42l73_mono_mix_texts),
350 cs42l73_mono_mix_texts,
351 cs42l73_mono_mix_values);
352
353static const struct snd_kcontrol_new esl_asp_mixer =
354 SOC_DAPM_ENUM("Route", esl_asp_enum);
355
356static const struct soc_enum esl_xsp_enum =
357 SOC_VALUE_ENUM_SINGLE(CS42L73_MMIXCTL, 0, 7,
358 ARRAY_SIZE(cs42l73_mono_mix_texts),
359 cs42l73_mono_mix_texts,
360 cs42l73_mono_mix_values);
361
362static const struct snd_kcontrol_new esl_xsp_mixer =
363 SOC_DAPM_ENUM("Route", esl_xsp_enum);
364
365static const char * const cs42l73_ip_swap_text[] = {
366 "Stereo", "Mono A", "Mono B", "Swap A-B"};
367
368static const struct soc_enum ip_swap_enum =
369 SOC_ENUM_SINGLE(CS42L73_MIOPC, 6,
370 ARRAY_SIZE(cs42l73_ip_swap_text), cs42l73_ip_swap_text);
371
372static const char * const cs42l73_spo_mixer_text[] = {"Mono", "Stereo"};
373
374static const struct soc_enum vsp_output_mux_enum =
375 SOC_ENUM_SINGLE(CS42L73_MIXERCTL, 5,
376 ARRAY_SIZE(cs42l73_spo_mixer_text), cs42l73_spo_mixer_text);
377
378static const struct soc_enum xsp_output_mux_enum =
379 SOC_ENUM_SINGLE(CS42L73_MIXERCTL, 4,
380 ARRAY_SIZE(cs42l73_spo_mixer_text), cs42l73_spo_mixer_text);
381
382static const struct snd_kcontrol_new vsp_output_mux =
383 SOC_DAPM_ENUM("Route", vsp_output_mux_enum);
384
385static const struct snd_kcontrol_new xsp_output_mux =
386 SOC_DAPM_ENUM("Route", xsp_output_mux_enum);
387
388static const struct snd_kcontrol_new hp_amp_ctl =
389 SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 0, 1, 1);
390
391static const struct snd_kcontrol_new lo_amp_ctl =
392 SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 1, 1, 1);
393
394static const struct snd_kcontrol_new spk_amp_ctl =
395 SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 2, 1, 1);
396
397static const struct snd_kcontrol_new spklo_amp_ctl =
398 SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 4, 1, 1);
399
400static const struct snd_kcontrol_new ear_amp_ctl =
401 SOC_DAPM_SINGLE("Switch", CS42L73_PWRCTL3, 3, 1, 1);
402
403static const struct snd_kcontrol_new cs42l73_snd_controls[] = {
404 SOC_DOUBLE_R_SX_TLV("Headphone Analog Playback Volume",
405 CS42L73_HPAAVOL, CS42L73_HPBAVOL, 7,
406 0xffffffC1, 0x0C, hpaloa_tlv),
407
408 SOC_DOUBLE_R_SX_TLV("LineOut Analog Playback Volume", CS42L73_LOAAVOL,
409 CS42L73_LOBAVOL, 7, 0xffffffC1, 0x0C, hpaloa_tlv),
410
411 SOC_DOUBLE_R_SX_TLV("Input PGA Analog Volume", CS42L73_MICAPREPGAAVOL,
412 CS42L73_MICBPREPGABVOL, 5, 0xffffff35,
413 0x34, micpga_tlv),
414
415 SOC_DOUBLE_R("MIC Preamp Switch", CS42L73_MICAPREPGAAVOL,
416 CS42L73_MICBPREPGABVOL, 6, 1, 1),
417
418 SOC_DOUBLE_R_SX_TLV("Input Path Digital Volume", CS42L73_IPADVOL,
419 CS42L73_IPBDVOL, 7, 0xffffffA0, 0xA0, ipd_tlv),
420
421 SOC_DOUBLE_R_SX_TLV("HL Digital Playback Volume",
422 CS42L73_HLADVOL, CS42L73_HLBDVOL, 7, 0xffffffE5,
423 0xE4, hl_tlv),
424
425 SOC_SINGLE_TLV("ADC A Boost Volume",
426 CS42L73_ADCIPC, 2, 0x01, 1, adc_boost_tlv),
427
428 SOC_SINGLE_TLV("ADC B Boost Volume",
429 CS42L73_ADCIPC, 6, 0x01, 1, adc_boost_tlv),
430
431 SOC_SINGLE_TLV("Speakerphone Digital Playback Volume",
432 CS42L73_SPKDVOL, 0, 0xE4, 1, hl_tlv),
433
434 SOC_SINGLE_TLV("Ear Speaker Digital Playback Volume",
435 CS42L73_ESLDVOL, 0, 0xE4, 1, hl_tlv),
436
437 SOC_DOUBLE_R("Headphone Analog Playback Switch", CS42L73_HPAAVOL,
438 CS42L73_HPBAVOL, 7, 1, 1),
439
440 SOC_DOUBLE_R("LineOut Analog Playback Switch", CS42L73_LOAAVOL,
441 CS42L73_LOBAVOL, 7, 1, 1),
442 SOC_DOUBLE("Input Path Digital Switch", CS42L73_ADCIPC, 0, 4, 1, 1),
443 SOC_DOUBLE("HL Digital Playback Switch", CS42L73_PBDC, 0,
444 1, 1, 1),
445 SOC_SINGLE("Speakerphone Digital Playback Switch", CS42L73_PBDC, 2, 1,
446 1),
447 SOC_SINGLE("Ear Speaker Digital Playback Switch", CS42L73_PBDC, 3, 1,
448 1),
449
450 SOC_SINGLE("PGA Soft-Ramp Switch", CS42L73_MIOPC, 3, 1, 0),
451 SOC_SINGLE("Analog Zero Cross Switch", CS42L73_MIOPC, 2, 1, 0),
452 SOC_SINGLE("Digital Soft-Ramp Switch", CS42L73_MIOPC, 1, 1, 0),
453 SOC_SINGLE("Analog Output Soft-Ramp Switch", CS42L73_MIOPC, 0, 1, 0),
454
455 SOC_DOUBLE("ADC Signal Polarity Switch", CS42L73_ADCIPC, 1, 5, 1,
456 0),
457
458 SOC_SINGLE("HL Limiter Attack Rate", CS42L73_LIMARATEHL, 0, 0x3F,
459 0),
460 SOC_SINGLE("HL Limiter Release Rate", CS42L73_LIMRRATEHL, 0,
461 0x3F, 0),
462
463
464 SOC_SINGLE("HL Limiter Switch", CS42L73_LIMRRATEHL, 7, 1, 0),
465 SOC_SINGLE("HL Limiter All Channels Switch", CS42L73_LIMRRATEHL, 6, 1,
466 0),
467
468 SOC_SINGLE_TLV("HL Limiter Max Threshold Volume", CS42L73_LMAXHL, 5, 7,
469 1, limiter_tlv),
470
471 SOC_SINGLE_TLV("HL Limiter Cushion Volume", CS42L73_LMAXHL, 2, 7, 1,
472 limiter_tlv),
473
474 SOC_SINGLE("SPK Limiter Attack Rate Volume", CS42L73_LIMARATESPK, 0,
475 0x3F, 0),
476 SOC_SINGLE("SPK Limiter Release Rate Volume", CS42L73_LIMRRATESPK, 0,
477 0x3F, 0),
478 SOC_SINGLE("SPK Limiter Switch", CS42L73_LIMRRATESPK, 7, 1, 0),
479 SOC_SINGLE("SPK Limiter All Channels Switch", CS42L73_LIMRRATESPK,
480 6, 1, 0),
481 SOC_SINGLE_TLV("SPK Limiter Max Threshold Volume", CS42L73_LMAXSPK, 5,
482 7, 1, limiter_tlv),
483
484 SOC_SINGLE_TLV("SPK Limiter Cushion Volume", CS42L73_LMAXSPK, 2, 7, 1,
485 limiter_tlv),
486
487 SOC_SINGLE("ESL Limiter Attack Rate Volume", CS42L73_LIMARATEESL, 0,
488 0x3F, 0),
489 SOC_SINGLE("ESL Limiter Release Rate Volume", CS42L73_LIMRRATEESL, 0,
490 0x3F, 0),
491 SOC_SINGLE("ESL Limiter Switch", CS42L73_LIMRRATEESL, 7, 1, 0),
492 SOC_SINGLE_TLV("ESL Limiter Max Threshold Volume", CS42L73_LMAXESL, 5,
493 7, 1, limiter_tlv),
494
495 SOC_SINGLE_TLV("ESL Limiter Cushion Volume", CS42L73_LMAXESL, 2, 7, 1,
496 limiter_tlv),
497
498 SOC_SINGLE("ALC Attack Rate Volume", CS42L73_ALCARATE, 0, 0x3F, 0),
499 SOC_SINGLE("ALC Release Rate Volume", CS42L73_ALCRRATE, 0, 0x3F, 0),
500 SOC_DOUBLE("ALC Switch", CS42L73_ALCARATE, 6, 7, 1, 0),
501 SOC_SINGLE_TLV("ALC Max Threshold Volume", CS42L73_ALCMINMAX, 5, 7, 0,
502 limiter_tlv),
503 SOC_SINGLE_TLV("ALC Min Threshold Volume", CS42L73_ALCMINMAX, 2, 7, 0,
504 limiter_tlv),
505
506 SOC_DOUBLE("NG Enable Switch", CS42L73_NGCAB, 6, 7, 1, 0),
507 SOC_SINGLE("NG Boost Switch", CS42L73_NGCAB, 5, 1, 0),
508 /*
509 NG Threshold depends on NG_BOOTSAB, which selects
510 between two threshold scales in decibels.
511 Set linear values for now ..
512 */
513 SOC_SINGLE("NG Threshold", CS42L73_NGCAB, 2, 7, 0),
514 SOC_ENUM("NG Delay", ng_delay_enum),
515
516 SOC_ENUM("Charge Pump Frequency", charge_pump_enum),
517
518 SOC_DOUBLE_R_TLV("XSP-IP Volume",
519 CS42L73_XSPAIPAA, CS42L73_XSPBIPBA, 0, 0x3F, 1,
520 attn_tlv),
521 SOC_DOUBLE_R_TLV("XSP-XSP Volume",
522 CS42L73_XSPAXSPAA, CS42L73_XSPBXSPBA, 0, 0x3F, 1,
523 attn_tlv),
524 SOC_DOUBLE_R_TLV("XSP-ASP Volume",
525 CS42L73_XSPAASPAA, CS42L73_XSPAASPBA, 0, 0x3F, 1,
526 attn_tlv),
527 SOC_DOUBLE_R_TLV("XSP-VSP Volume",
528 CS42L73_XSPAVSPMA, CS42L73_XSPBVSPMA, 0, 0x3F, 1,
529 attn_tlv),
530
531 SOC_DOUBLE_R_TLV("ASP-IP Volume",
532 CS42L73_ASPAIPAA, CS42L73_ASPBIPBA, 0, 0x3F, 1,
533 attn_tlv),
534 SOC_DOUBLE_R_TLV("ASP-XSP Volume",
535 CS42L73_ASPAXSPAA, CS42L73_ASPBXSPBA, 0, 0x3F, 1,
536 attn_tlv),
537 SOC_DOUBLE_R_TLV("ASP-ASP Volume",
538 CS42L73_ASPAASPAA, CS42L73_ASPBASPBA, 0, 0x3F, 1,
539 attn_tlv),
540 SOC_DOUBLE_R_TLV("ASP-VSP Volume",
541 CS42L73_ASPAVSPMA, CS42L73_ASPBVSPMA, 0, 0x3F, 1,
542 attn_tlv),
543
544 SOC_DOUBLE_R_TLV("VSP-IP Volume",
545 CS42L73_VSPAIPAA, CS42L73_VSPBIPBA, 0, 0x3F, 1,
546 attn_tlv),
547 SOC_DOUBLE_R_TLV("VSP-XSP Volume",
548 CS42L73_VSPAXSPAA, CS42L73_VSPBXSPBA, 0, 0x3F, 1,
549 attn_tlv),
550 SOC_DOUBLE_R_TLV("VSP-ASP Volume",
551 CS42L73_VSPAASPAA, CS42L73_VSPBASPBA, 0, 0x3F, 1,
552 attn_tlv),
553 SOC_DOUBLE_R_TLV("VSP-VSP Volume",
554 CS42L73_VSPAVSPMA, CS42L73_VSPBVSPMA, 0, 0x3F, 1,
555 attn_tlv),
556
557 SOC_DOUBLE_R_TLV("HL-IP Volume",
558 CS42L73_HLAIPAA, CS42L73_HLBIPBA, 0, 0x3F, 1,
559 attn_tlv),
560 SOC_DOUBLE_R_TLV("HL-XSP Volume",
561 CS42L73_HLAXSPAA, CS42L73_HLBXSPBA, 0, 0x3F, 1,
562 attn_tlv),
563 SOC_DOUBLE_R_TLV("HL-ASP Volume",
564 CS42L73_HLAASPAA, CS42L73_HLBASPBA, 0, 0x3F, 1,
565 attn_tlv),
566 SOC_DOUBLE_R_TLV("HL-VSP Volume",
567 CS42L73_HLAVSPMA, CS42L73_HLBVSPMA, 0, 0x3F, 1,
568 attn_tlv),
569
570 SOC_SINGLE_TLV("SPK-IP Mono Volume",
571 CS42L73_SPKMIPMA, 0, 0x3E, 1, attn_tlv),
572 SOC_SINGLE_TLV("SPK-XSP Mono Volume",
573 CS42L73_SPKMXSPA, 0, 0x3E, 1, attn_tlv),
574 SOC_SINGLE_TLV("SPK-ASP Mono Volume",
575 CS42L73_SPKMASPA, 0, 0x3E, 1, attn_tlv),
576 SOC_SINGLE_TLV("SPK-VSP Mono Volume",
577 CS42L73_SPKMVSPMA, 0, 0x3E, 1, attn_tlv),
578
579 SOC_SINGLE_TLV("ESL-IP Mono Volume",
580 CS42L73_ESLMIPMA, 0, 0x3E, 1, attn_tlv),
581 SOC_SINGLE_TLV("ESL-XSP Mono Volume",
582 CS42L73_ESLMXSPA, 0, 0x3E, 1, attn_tlv),
583 SOC_SINGLE_TLV("ESL-ASP Mono Volume",
584 CS42L73_ESLMASPA, 0, 0x3E, 1, attn_tlv),
585 SOC_SINGLE_TLV("ESL-VSP Mono Volume",
586 CS42L73_ESLMVSPMA, 0, 0x3E, 1, attn_tlv),
587
588 SOC_ENUM("IP Digital Swap/Mono Select", ip_swap_enum),
589
590 SOC_ENUM("VSPOUT Mono/Stereo Select", vsp_output_mux_enum),
591 SOC_ENUM("XSPOUT Mono/Stereo Select", xsp_output_mux_enum),
592};
593
594static const struct snd_soc_dapm_widget cs42l73_dapm_widgets[] = {
595 SND_SOC_DAPM_INPUT("LINEINA"),
596 SND_SOC_DAPM_INPUT("LINEINB"),
597 SND_SOC_DAPM_INPUT("MIC1"),
598 SND_SOC_DAPM_SUPPLY("MIC1 Bias", CS42L73_PWRCTL2, 6, 1, NULL, 0),
599 SND_SOC_DAPM_INPUT("MIC2"),
600 SND_SOC_DAPM_SUPPLY("MIC2 Bias", CS42L73_PWRCTL2, 7, 1, NULL, 0),
601
602 SND_SOC_DAPM_AIF_OUT("XSPOUTL", "XSP Capture", 0,
603 CS42L73_PWRCTL2, 1, 1),
604 SND_SOC_DAPM_AIF_OUT("XSPOUTR", "XSP Capture", 0,
605 CS42L73_PWRCTL2, 1, 1),
606 SND_SOC_DAPM_AIF_OUT("ASPOUTL", "ASP Capture", 0,
607 CS42L73_PWRCTL2, 3, 1),
608 SND_SOC_DAPM_AIF_OUT("ASPOUTR", "ASP Capture", 0,
609 CS42L73_PWRCTL2, 3, 1),
610 SND_SOC_DAPM_AIF_OUT("VSPOUTL", "VSP Capture", 0,
611 CS42L73_PWRCTL2, 4, 1),
612 SND_SOC_DAPM_AIF_OUT("VSPOUTR", "VSP Capture", 0,
613 CS42L73_PWRCTL2, 4, 1),
614
615 SND_SOC_DAPM_PGA("PGA Left", SND_SOC_NOPM, 0, 0, NULL, 0),
616 SND_SOC_DAPM_PGA("PGA Right", SND_SOC_NOPM, 0, 0, NULL, 0),
617
618 SND_SOC_DAPM_MUX("PGA Left Mux", SND_SOC_NOPM, 0, 0, &pgaa_mux),
619 SND_SOC_DAPM_MUX("PGA Right Mux", SND_SOC_NOPM, 0, 0, &pgab_mux),
620
621 SND_SOC_DAPM_ADC("ADC Left", NULL, CS42L73_PWRCTL1, 7, 1),
622 SND_SOC_DAPM_ADC("ADC Right", NULL, CS42L73_PWRCTL1, 5, 1),
623 SND_SOC_DAPM_ADC("DMIC Left", NULL, CS42L73_PWRCTL1, 6, 1),
624 SND_SOC_DAPM_ADC("DMIC Right", NULL, CS42L73_PWRCTL1, 4, 1),
625
626 SND_SOC_DAPM_MIXER_NAMED_CTL("Input Left Capture", SND_SOC_NOPM,
627 0, 0, input_left_mixer,
628 ARRAY_SIZE(input_left_mixer)),
629
630 SND_SOC_DAPM_MIXER_NAMED_CTL("Input Right Capture", SND_SOC_NOPM,
631 0, 0, input_right_mixer,
632 ARRAY_SIZE(input_right_mixer)),
633
634 SND_SOC_DAPM_MIXER("ASPL Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
635 SND_SOC_DAPM_MIXER("ASPR Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
636 SND_SOC_DAPM_MIXER("XSPL Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
637 SND_SOC_DAPM_MIXER("XSPR Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
638 SND_SOC_DAPM_MIXER("VSPL Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
639 SND_SOC_DAPM_MIXER("VSPR Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
640
641 SND_SOC_DAPM_AIF_IN("XSPINL", "XSP Playback", 0,
642 CS42L73_PWRCTL2, 0, 1),
643 SND_SOC_DAPM_AIF_IN("XSPINR", "XSP Playback", 0,
644 CS42L73_PWRCTL2, 0, 1),
645 SND_SOC_DAPM_AIF_IN("XSPINM", "XSP Playback", 0,
646 CS42L73_PWRCTL2, 0, 1),
647
648 SND_SOC_DAPM_AIF_IN("ASPINL", "ASP Playback", 0,
649 CS42L73_PWRCTL2, 2, 1),
650 SND_SOC_DAPM_AIF_IN("ASPINR", "ASP Playback", 0,
651 CS42L73_PWRCTL2, 2, 1),
652 SND_SOC_DAPM_AIF_IN("ASPINM", "ASP Playback", 0,
653 CS42L73_PWRCTL2, 2, 1),
654
655 SND_SOC_DAPM_AIF_IN("VSPIN", "VSP Playback", 0,
656 CS42L73_PWRCTL2, 4, 1),
657
658 SND_SOC_DAPM_MIXER("HL Left Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
659 SND_SOC_DAPM_MIXER("HL Right Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
660 SND_SOC_DAPM_MIXER("SPK Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
661 SND_SOC_DAPM_MIXER("ESL Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
662
663 SND_SOC_DAPM_MUX("ESL-XSP Mux", SND_SOC_NOPM,
664 0, 0, &esl_xsp_mixer),
665
666 SND_SOC_DAPM_MUX("ESL-ASP Mux", SND_SOC_NOPM,
667 0, 0, &esl_asp_mixer),
668
669 SND_SOC_DAPM_MUX("SPK-ASP Mux", SND_SOC_NOPM,
670 0, 0, &spk_asp_mixer),
671
672 SND_SOC_DAPM_MUX("SPK-XSP Mux", SND_SOC_NOPM,
673 0, 0, &spk_xsp_mixer),
674
675 SND_SOC_DAPM_PGA("HL Left DAC", SND_SOC_NOPM, 0, 0, NULL, 0),
676 SND_SOC_DAPM_PGA("HL Right DAC", SND_SOC_NOPM, 0, 0, NULL, 0),
677 SND_SOC_DAPM_PGA("SPK DAC", SND_SOC_NOPM, 0, 0, NULL, 0),
678 SND_SOC_DAPM_PGA("ESL DAC", SND_SOC_NOPM, 0, 0, NULL, 0),
679
680 SND_SOC_DAPM_SWITCH("HP Amp", CS42L73_PWRCTL3, 0, 1,
681 &hp_amp_ctl),
682 SND_SOC_DAPM_SWITCH("LO Amp", CS42L73_PWRCTL3, 1, 1,
683 &lo_amp_ctl),
684 SND_SOC_DAPM_SWITCH("SPK Amp", CS42L73_PWRCTL3, 2, 1,
685 &spk_amp_ctl),
686 SND_SOC_DAPM_SWITCH("EAR Amp", CS42L73_PWRCTL3, 3, 1,
687 &ear_amp_ctl),
688 SND_SOC_DAPM_SWITCH("SPKLO Amp", CS42L73_PWRCTL3, 4, 1,
689 &spklo_amp_ctl),
690
691 SND_SOC_DAPM_OUTPUT("HPOUTA"),
692 SND_SOC_DAPM_OUTPUT("HPOUTB"),
693 SND_SOC_DAPM_OUTPUT("LINEOUTA"),
694 SND_SOC_DAPM_OUTPUT("LINEOUTB"),
695 SND_SOC_DAPM_OUTPUT("EAROUT"),
696 SND_SOC_DAPM_OUTPUT("SPKOUT"),
697 SND_SOC_DAPM_OUTPUT("SPKLINEOUT"),
698};
699
700static const struct snd_soc_dapm_route cs42l73_audio_map[] = {
701
702 /* SPKLO EARSPK Paths */
703 {"EAROUT", NULL, "EAR Amp"},
704 {"SPKLINEOUT", NULL, "SPKLO Amp"},
705
706 {"EAR Amp", "Switch", "ESL DAC"},
707 {"SPKLO Amp", "Switch", "ESL DAC"},
708
709 {"ESL DAC", "ESL-ASP Mono Volume", "ESL Mixer"},
710 {"ESL DAC", "ESL-XSP Mono Volume", "ESL Mixer"},
711 {"ESL DAC", "ESL-VSP Mono Volume", "VSPIN"},
712 /* Loopback */
713 {"ESL DAC", "ESL-IP Mono Volume", "Input Left Capture"},
714 {"ESL DAC", "ESL-IP Mono Volume", "Input Right Capture"},
715
716 {"ESL Mixer", NULL, "ESL-ASP Mux"},
717 {"ESL Mixer", NULL, "ESL-XSP Mux"},
718
719 {"ESL-ASP Mux", "Left", "ASPINL"},
720 {"ESL-ASP Mux", "Right", "ASPINR"},
721 {"ESL-ASP Mux", "Mono Mix", "ASPINM"},
722
723 {"ESL-XSP Mux", "Left", "XSPINL"},
724 {"ESL-XSP Mux", "Right", "XSPINR"},
725 {"ESL-XSP Mux", "Mono Mix", "XSPINM"},
726
727 /* Speakerphone Paths */
728 {"SPKOUT", NULL, "SPK Amp"},
729 {"SPK Amp", "Switch", "SPK DAC"},
730
731 {"SPK DAC", "SPK-ASP Mono Volume", "SPK Mixer"},
732 {"SPK DAC", "SPK-XSP Mono Volume", "SPK Mixer"},
733 {"SPK DAC", "SPK-VSP Mono Volume", "VSPIN"},
734 /* Loopback */
735 {"SPK DAC", "SPK-IP Mono Volume", "Input Left Capture"},
736 {"SPK DAC", "SPK-IP Mono Volume", "Input Right Capture"},
737
738 {"SPK Mixer", NULL, "SPK-ASP Mux"},
739 {"SPK Mixer", NULL, "SPK-XSP Mux"},
740
741 {"SPK-ASP Mux", "Left", "ASPINL"},
742 {"SPK-ASP Mux", "Mono Mix", "ASPINM"},
743 {"SPK-ASP Mux", "Right", "ASPINR"},
744
745 {"SPK-XSP Mux", "Left", "XSPINL"},
746 {"SPK-XSP Mux", "Mono Mix", "XSPINM"},
747 {"SPK-XSP Mux", "Right", "XSPINR"},
748
749 /* HP LineOUT Paths */
750 {"HPOUTA", NULL, "HP Amp"},
751 {"HPOUTB", NULL, "HP Amp"},
752 {"LINEOUTA", NULL, "LO Amp"},
753 {"LINEOUTB", NULL, "LO Amp"},
754
755 {"HP Amp", "Switch", "HL Left DAC"},
756 {"HP Amp", "Switch", "HL Right DAC"},
757 {"LO Amp", "Switch", "HL Left DAC"},
758 {"LO Amp", "Switch", "HL Right DAC"},
759
760 {"HL Left DAC", "HL-XSP Volume", "HL Left Mixer"},
761 {"HL Right DAC", "HL-XSP Volume", "HL Right Mixer"},
762 {"HL Left DAC", "HL-ASP Volume", "HL Left Mixer"},
763 {"HL Right DAC", "HL-ASP Volume", "HL Right Mixer"},
764 {"HL Left DAC", "HL-VSP Volume", "HL Left Mixer"},
765 {"HL Right DAC", "HL-VSP Volume", "HL Right Mixer"},
766 /* Loopback */
767 {"HL Left DAC", "HL-IP Volume", "HL Left Mixer"},
768 {"HL Right DAC", "HL-IP Volume", "HL Right Mixer"},
769 {"HL Left Mixer", NULL, "Input Left Capture"},
770 {"HL Right Mixer", NULL, "Input Right Capture"},
771
772 {"HL Left Mixer", NULL, "ASPINL"},
773 {"HL Right Mixer", NULL, "ASPINR"},
774 {"HL Left Mixer", NULL, "XSPINL"},
775 {"HL Right Mixer", NULL, "XSPINR"},
776 {"HL Left Mixer", NULL, "VSPIN"},
777 {"HL Right Mixer", NULL, "VSPIN"},
778
779 /* Capture Paths */
780 {"MIC1", NULL, "MIC1 Bias"},
781 {"PGA Left Mux", "Mic 1", "MIC1"},
782 {"MIC2", NULL, "MIC2 Bias"},
783 {"PGA Right Mux", "Mic 2", "MIC2"},
784
785 {"PGA Left Mux", "Line A", "LINEINA"},
786 {"PGA Right Mux", "Line B", "LINEINB"},
787
788 {"PGA Left", NULL, "PGA Left Mux"},
789 {"PGA Right", NULL, "PGA Right Mux"},
790
791 {"ADC Left", NULL, "PGA Left"},
792 {"ADC Right", NULL, "PGA Right"},
793
794 {"Input Left Capture", "ADC Left Input", "ADC Left"},
795 {"Input Right Capture", "ADC Right Input", "ADC Right"},
796 {"Input Left Capture", "DMIC Left Input", "DMIC Left"},
797 {"Input Right Capture", "DMIC Right Input", "DMIC Right"},
798
799 /* Audio Capture */
800 {"ASPL Output Mixer", NULL, "Input Left Capture"},
801 {"ASPR Output Mixer", NULL, "Input Right Capture"},
802
803 {"ASPOUTL", "ASP-IP Volume", "ASPL Output Mixer"},
804 {"ASPOUTR", "ASP-IP Volume", "ASPR Output Mixer"},
805
806 /* Auxillary Capture */
807 {"XSPL Output Mixer", NULL, "Input Left Capture"},
808 {"XSPR Output Mixer", NULL, "Input Right Capture"},
809
810 {"XSPOUTL", "XSP-IP Volume", "XSPL Output Mixer"},
811 {"XSPOUTR", "XSP-IP Volume", "XSPR Output Mixer"},
812
813 {"XSPOUTL", NULL, "XSPL Output Mixer"},
814 {"XSPOUTR", NULL, "XSPR Output Mixer"},
815
816 /* Voice Capture */
817 {"VSPL Output Mixer", NULL, "Input Left Capture"},
818 {"VSPR Output Mixer", NULL, "Input Left Capture"},
819
820 {"VSPOUTL", "VSP-IP Volume", "VSPL Output Mixer"},
821 {"VSPOUTR", "VSP-IP Volume", "VSPR Output Mixer"},
822
823 {"VSPOUTL", NULL, "VSPL Output Mixer"},
824 {"VSPOUTR", NULL, "VSPR Output Mixer"},
825};
826
827struct cs42l73_mclk_div {
828 u32 mclk;
829 u32 srate;
830 u8 mmcc;
831};
832
833static struct cs42l73_mclk_div cs42l73_mclk_coeffs[] = {
834 /* MCLK, Sample Rate, xMMCC[5:0] */
835 {5644800, 11025, 0x30},
836 {5644800, 22050, 0x20},
837 {5644800, 44100, 0x10},
838
839 {6000000, 8000, 0x39},
840 {6000000, 11025, 0x33},
841 {6000000, 12000, 0x31},
842 {6000000, 16000, 0x29},
843 {6000000, 22050, 0x23},
844 {6000000, 24000, 0x21},
845 {6000000, 32000, 0x19},
846 {6000000, 44100, 0x13},
847 {6000000, 48000, 0x11},
848
849 {6144000, 8000, 0x38},
850 {6144000, 12000, 0x30},
851 {6144000, 16000, 0x28},
852 {6144000, 24000, 0x20},
853 {6144000, 32000, 0x18},
854 {6144000, 48000, 0x10},
855
856 {6500000, 8000, 0x3C},
857 {6500000, 11025, 0x35},
858 {6500000, 12000, 0x34},
859 {6500000, 16000, 0x2C},
860 {6500000, 22050, 0x25},
861 {6500000, 24000, 0x24},
862 {6500000, 32000, 0x1C},
863 {6500000, 44100, 0x15},
864 {6500000, 48000, 0x14},
865
866 {6400000, 8000, 0x3E},
867 {6400000, 11025, 0x37},
868 {6400000, 12000, 0x36},
869 {6400000, 16000, 0x2E},
870 {6400000, 22050, 0x27},
871 {6400000, 24000, 0x26},
872 {6400000, 32000, 0x1E},
873 {6400000, 44100, 0x17},
874 {6400000, 48000, 0x16},
875};
876
877struct cs42l73_mclkx_div {
878 u32 mclkx;
879 u8 ratio;
880 u8 mclkdiv;
881};
882
883static struct cs42l73_mclkx_div cs42l73_mclkx_coeffs[] = {
884 {5644800, 1, 0}, /* 5644800 */
885 {6000000, 1, 0}, /* 6000000 */
886 {6144000, 1, 0}, /* 6144000 */
887 {11289600, 2, 2}, /* 5644800 */
888 {12288000, 2, 2}, /* 6144000 */
889 {12000000, 2, 2}, /* 6000000 */
890 {13000000, 2, 2}, /* 6500000 */
891 {19200000, 3, 3}, /* 6400000 */
892 {24000000, 4, 4}, /* 6000000 */
893 {26000000, 4, 4}, /* 6500000 */
894 {38400000, 6, 5} /* 6400000 */
895};
896
897static int cs42l73_get_mclkx_coeff(int mclkx)
898{
899 int i;
900
901 for (i = 0; i < ARRAY_SIZE(cs42l73_mclkx_coeffs); i++) {
902 if (cs42l73_mclkx_coeffs[i].mclkx == mclkx)
903 return i;
904 }
905 return -EINVAL;
906}
907
908static int cs42l73_get_mclk_coeff(int mclk, int srate)
909{
910 int i;
911
912 for (i = 0; i < ARRAY_SIZE(cs42l73_mclk_coeffs); i++) {
913 if (cs42l73_mclk_coeffs[i].mclk == mclk &&
914 cs42l73_mclk_coeffs[i].srate == srate)
915 return i;
916 }
917 return -EINVAL;
918
919}
920
921static int cs42l73_set_mclk(struct snd_soc_dai *dai, unsigned int freq)
922{
923 struct snd_soc_codec *codec = dai->codec;
924 struct cs42l73_private *priv = snd_soc_codec_get_drvdata(codec);
925
926 int mclkx_coeff;
927 u32 mclk = 0;
928 u8 dmmcc = 0;
929
930 /* MCLKX -> MCLK */
931 mclkx_coeff = cs42l73_get_mclkx_coeff(freq);
932
933 mclk = cs42l73_mclkx_coeffs[mclkx_coeff].mclkx /
934 cs42l73_mclkx_coeffs[mclkx_coeff].ratio;
935
936 dev_dbg(codec->dev, "MCLK%u %u <-> internal MCLK %u\n",
937 priv->mclksel + 1, cs42l73_mclkx_coeffs[mclkx_coeff].mclkx,
938 mclk);
939
940 dmmcc = (priv->mclksel << 4) |
941 (cs42l73_mclkx_coeffs[mclkx_coeff].mclkdiv << 1);
942
943 snd_soc_write(codec, CS42L73_DMMCC, dmmcc);
944
945 priv->sysclk = mclkx_coeff;
946 priv->mclk = mclk;
947
948 return 0;
949}
950
951static int cs42l73_set_sysclk(struct snd_soc_dai *dai,
952 int clk_id, unsigned int freq, int dir)
953{
954 struct snd_soc_codec *codec = dai->codec;
955 struct cs42l73_private *priv = snd_soc_codec_get_drvdata(codec);
956
957 switch (clk_id) {
958 case CS42L73_CLKID_MCLK1:
959 break;
960 case CS42L73_CLKID_MCLK2:
961 break;
962 default:
963 return -EINVAL;
964 }
965
966 if ((cs42l73_set_mclk(dai, freq)) < 0) {
967 dev_err(codec->dev, "Unable to set MCLK for dai %s\n",
968 dai->name);
969 return -EINVAL;
970 }
971
972 priv->mclksel = clk_id;
973
974 return 0;
975}
976
977static int cs42l73_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
978{
979 struct snd_soc_codec *codec = codec_dai->codec;
980 struct cs42l73_private *priv = snd_soc_codec_get_drvdata(codec);
981 u8 id = codec_dai->id;
Axel Lindbb1f512011-11-18 17:16:22 +0800[diff] [blame]982 unsigned int inv, format;
Brian Austin6d10c912011-11-16 12:32:27 -0600[diff] [blame]983 u8 spc, mmcc;
984
985 spc = snd_soc_read(codec, CS42L73_SPC(id));
986 mmcc = snd_soc_read(codec, CS42L73_MMCC(id));
987
988 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
989 case SND_SOC_DAIFMT_CBM_CFM:
990 mmcc |= MS_MASTER;
991 break;
992
993 case SND_SOC_DAIFMT_CBS_CFS:
994 mmcc &= ~MS_MASTER;
995 break;
996
997 default:
998 return -EINVAL;
999 }
1000
1001 format = (fmt & SND_SOC_DAIFMT_FORMAT_MASK);
1002 inv = (fmt & SND_SOC_DAIFMT_INV_MASK);
1003
1004 switch (format) {
1005 case SND_SOC_DAIFMT_I2S:
1006 spc &= ~SPDIF_PCM;
1007 break;
1008 case SND_SOC_DAIFMT_DSP_A:
1009 case SND_SOC_DAIFMT_DSP_B:
1010 if (mmcc & MS_MASTER) {
1011 dev_err(codec->dev,
1012 "PCM format in slave mode only\n");
1013 return -EINVAL;
1014 }
1015 if (id == CS42L73_ASP) {
1016 dev_err(codec->dev,
1017 "PCM format is not supported on ASP port\n");
1018 return -EINVAL;
1019 }
1020 spc |= SPDIF_PCM;
1021 break;
1022 default:
1023 return -EINVAL;
1024 }
1025
1026 if (spc & SPDIF_PCM) {
Axel Lin7b282cb2011-11-29 19:47:38 +0800[diff] [blame]1027 /* Clear PCM mode, clear PCM_BIT_ORDER bit for MSB->LSB */
1028 spc &= ~(PCM_MODE_MASK | PCM_BIT_ORDER);
Brian Austin6d10c912011-11-16 12:32:27 -0600[diff] [blame]1029 switch (format) {
1030 case SND_SOC_DAIFMT_DSP_B:
1031 if (inv == SND_SOC_DAIFMT_IB_IF)
Axel Lin717b8fae2011-11-18 16:05:13 +0800[diff] [blame]1032 spc |= PCM_MODE0;
Brian Austin6d10c912011-11-16 12:32:27 -0600[diff] [blame]1033 if (inv == SND_SOC_DAIFMT_IB_NF)
Axel Lin717b8fae2011-11-18 16:05:13 +0800[diff] [blame]1034 spc |= PCM_MODE1;
Brian Austin6d10c912011-11-16 12:32:27 -0600[diff] [blame]1035 break;
1036 case SND_SOC_DAIFMT_DSP_A:
1037 if (inv == SND_SOC_DAIFMT_IB_IF)
Axel Lin717b8fae2011-11-18 16:05:13 +0800[diff] [blame]1038 spc |= PCM_MODE1;
Brian Austin6d10c912011-11-16 12:32:27 -0600[diff] [blame]1039 break;
1040 default:
1041 return -EINVAL;
1042 }
1043 }
1044
1045 priv->config[id].spc = spc;
1046 priv->config[id].mmcc = mmcc;
1047
1048 return 0;
1049}
1050
1051static u32 cs42l73_asrc_rates[] = {
1052 8000, 11025, 12000, 16000, 22050,
1053 24000, 32000, 44100, 48000
1054};
1055
1056static unsigned int cs42l73_get_xspfs_coeff(u32 rate)
1057{
1058 int i;
1059 for (i = 0; i < ARRAY_SIZE(cs42l73_asrc_rates); i++) {
1060 if (cs42l73_asrc_rates[i] == rate)
1061 return i + 1;
1062 }
1063 return 0; /* 0 = Don't know */
1064}
1065
1066static void cs42l73_update_asrc(struct snd_soc_codec *codec, int id, int srate)
1067{
1068 u8 spfs = 0;
1069
1070 if (srate > 0)
1071 spfs = cs42l73_get_xspfs_coeff(srate);
1072
1073 switch (id) {
1074 case CS42L73_XSP:
1075 snd_soc_update_bits(codec, CS42L73_VXSPFS, 0x0f, spfs);
1076 break;
1077 case CS42L73_ASP:
1078 snd_soc_update_bits(codec, CS42L73_ASPC, 0x3c, spfs << 2);
1079 break;
1080 case CS42L73_VSP:
1081 snd_soc_update_bits(codec, CS42L73_VXSPFS, 0xf0, spfs << 4);
1082 break;
1083 default:
1084 break;
1085 }
1086}
1087
1088static int cs42l73_pcm_hw_params(struct snd_pcm_substream *substream,
1089 struct snd_pcm_hw_params *params,
1090 struct snd_soc_dai *dai)
1091{
1092 struct snd_soc_pcm_runtime *rtd = substream->private_data;
1093 struct snd_soc_codec *codec = rtd->codec;
1094 struct cs42l73_private *priv = snd_soc_codec_get_drvdata(codec);
1095 int id = dai->id;
1096 int mclk_coeff;
1097 int srate = params_rate(params);
1098
1099 if (priv->config[id].mmcc & MS_MASTER) {
1100 /* CS42L73 Master */
1101 /* MCLK -> srate */
1102 mclk_coeff =
1103 cs42l73_get_mclk_coeff(priv->mclk, srate);
1104
1105 if (mclk_coeff < 0)
1106 return -EINVAL;
1107
1108 dev_dbg(codec->dev,
1109 "DAI[%d]: MCLK %u, srate %u, MMCC[5:0] = %x\n",
1110 id, priv->mclk, srate,
1111 cs42l73_mclk_coeffs[mclk_coeff].mmcc);
1112
1113 priv->config[id].mmcc &= 0xC0;
1114 priv->config[id].mmcc |= cs42l73_mclk_coeffs[mclk_coeff].mmcc;
1115 priv->config[id].spc &= 0xFC;
1116 priv->config[id].spc &= MCK_SCLK_64FS;
1117 } else {
1118 /* CS42L73 Slave */
1119 priv->config[id].spc &= 0xFC;
1120 priv->config[id].spc |= MCK_SCLK_64FS;
1121 }
1122 /* Update ASRCs */
1123 priv->config[id].srate = srate;
1124
1125 snd_soc_write(codec, CS42L73_SPC(id), priv->config[id].spc);
1126 snd_soc_write(codec, CS42L73_MMCC(id), priv->config[id].mmcc);
1127
1128 cs42l73_update_asrc(codec, id, srate);
1129
1130 return 0;
1131}
1132
1133static int cs42l73_set_bias_level(struct snd_soc_codec *codec,
1134 enum snd_soc_bias_level level)
1135{
1136 struct cs42l73_private *cs42l73 = snd_soc_codec_get_drvdata(codec);
1137
1138 switch (level) {
1139 case SND_SOC_BIAS_ON:
1140 snd_soc_update_bits(codec, CS42L73_DMMCC, MCLKDIS, 0);
1141 snd_soc_update_bits(codec, CS42L73_PWRCTL1, PDN, 0);
1142 break;
1143
1144 case SND_SOC_BIAS_PREPARE:
1145 break;
1146
1147 case SND_SOC_BIAS_STANDBY:
1148 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
1149 regcache_cache_only(cs42l73->regmap, false);
1150 regcache_sync(cs42l73->regmap);
1151 }
1152 snd_soc_update_bits(codec, CS42L73_PWRCTL1, PDN, 1);
1153 break;
1154
1155 case SND_SOC_BIAS_OFF:
1156 snd_soc_update_bits(codec, CS42L73_PWRCTL1, PDN, 1);
1157 snd_soc_update_bits(codec, CS42L73_DMMCC, MCLKDIS, 1);
1158 break;
1159 }
1160 codec->dapm.bias_level = level;
1161 return 0;
1162}
1163
1164static int cs42l73_set_tristate(struct snd_soc_dai *dai, int tristate)
1165{
1166 struct snd_soc_codec *codec = dai->codec;
1167 int id = dai->id;
1168
1169 return snd_soc_update_bits(codec, CS42L73_SPC(id),
1170 0x7F, tristate << 7);
1171}
1172
1173static struct snd_pcm_hw_constraint_list constraints_12_24 = {
1174 .count = ARRAY_SIZE(cs42l73_asrc_rates),
1175 .list = cs42l73_asrc_rates,
1176};
1177
1178static int cs42l73_pcm_startup(struct snd_pcm_substream *substream,
1179 struct snd_soc_dai *dai)
1180{
1181 snd_pcm_hw_constraint_list(substream->runtime, 0,
1182 SNDRV_PCM_HW_PARAM_RATE,
1183 &constraints_12_24);
1184 return 0;
1185}
1186
1187/* SNDRV_PCM_RATE_KNOT -> 12000, 24000 Hz, limit with constraint list */
1188#define CS42L73_RATES (SNDRV_PCM_RATE_8000_48000 | SNDRV_PCM_RATE_KNOT)
1189
1190
1191#define CS42L73_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1192 SNDRV_PCM_FMTBIT_S24_LE)
1193
Lars-Peter Clausen890754a2011-11-23 14:11:21 +0100[diff] [blame]1194static const struct snd_soc_dai_ops cs42l73_ops = {
Brian Austin6d10c912011-11-16 12:32:27 -0600[diff] [blame]1195 .startup = cs42l73_pcm_startup,
1196 .hw_params = cs42l73_pcm_hw_params,
1197 .set_fmt = cs42l73_set_dai_fmt,
1198 .set_sysclk = cs42l73_set_sysclk,
1199 .set_tristate = cs42l73_set_tristate,
1200};
1201
1202static struct snd_soc_dai_driver cs42l73_dai[] = {
1203 {
1204 .name = "cs42l73-xsp",
1205 .id = CS42L73_XSP,
1206 .playback = {
1207 .stream_name = "XSP Playback",
1208 .channels_min = 1,
1209 .channels_max = 2,
1210 .rates = CS42L73_RATES,
1211 .formats = CS42L73_FORMATS,
1212 },
1213 .capture = {
1214 .stream_name = "XSP Capture",
1215 .channels_min = 1,
1216 .channels_max = 2,
1217 .rates = CS42L73_RATES,
1218 .formats = CS42L73_FORMATS,
1219 },
1220 .ops = &cs42l73_ops,
1221 .symmetric_rates = 1,
1222 },
1223 {
1224 .name = "cs42l73-asp",
1225 .id = CS42L73_ASP,
1226 .playback = {
1227 .stream_name = "ASP Playback",
1228 .channels_min = 2,
1229 .channels_max = 2,
1230 .rates = CS42L73_RATES,
1231 .formats = CS42L73_FORMATS,
1232 },
1233 .capture = {
1234 .stream_name = "ASP Capture",
1235 .channels_min = 2,
1236 .channels_max = 2,
1237 .rates = CS42L73_RATES,
1238 .formats = CS42L73_FORMATS,
1239 },
1240 .ops = &cs42l73_ops,
1241 .symmetric_rates = 1,
1242 },
1243 {
1244 .name = "cs42l73-vsp",
1245 .id = CS42L73_VSP,
1246 .playback = {
1247 .stream_name = "VSP Playback",
1248 .channels_min = 1,
1249 .channels_max = 2,
1250 .rates = CS42L73_RATES,
1251 .formats = CS42L73_FORMATS,
1252 },
1253 .capture = {
1254 .stream_name = "VSP Capture",
1255 .channels_min = 1,
1256 .channels_max = 2,
1257 .rates = CS42L73_RATES,
1258 .formats = CS42L73_FORMATS,
1259 },
1260 .ops = &cs42l73_ops,
1261 .symmetric_rates = 1,
1262 }
1263};
1264
Lars-Peter Clausen84b315e2011-12-02 10:18:28 +0100[diff] [blame]1265static int cs42l73_suspend(struct snd_soc_codec *codec)
Brian Austin6d10c912011-11-16 12:32:27 -0600[diff] [blame]1266{
1267 cs42l73_set_bias_level(codec, SND_SOC_BIAS_OFF);
1268
1269 return 0;
1270}
1271
1272static int cs42l73_resume(struct snd_soc_codec *codec)
1273{
Brian Austin6d10c912011-11-16 12:32:27 -0600[diff] [blame]1274 cs42l73_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1275 return 0;
1276}
1277
1278static int cs42l73_probe(struct snd_soc_codec *codec)
1279{
1280 int ret;
1281 struct cs42l73_private *cs42l73 = snd_soc_codec_get_drvdata(codec);
1282
1283 codec->control_data = cs42l73->regmap;
1284
1285 ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_REGMAP);
1286 if (ret < 0) {
1287 dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
1288 return ret;
1289 }
1290
1291 regcache_cache_only(cs42l73->regmap, true);
1292
1293 cs42l73_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1294
1295 cs42l73->mclksel = CS42L73_CLKID_MCLK1; /* MCLK1 as master clk */
1296 cs42l73->mclk = 0;
1297
1298 return ret;
1299}
1300
1301static int cs42l73_remove(struct snd_soc_codec *codec)
1302{
1303 cs42l73_set_bias_level(codec, SND_SOC_BIAS_OFF);
1304 return 0;
1305}
1306
1307static struct snd_soc_codec_driver soc_codec_dev_cs42l73 = {
1308 .probe = cs42l73_probe,
1309 .remove = cs42l73_remove,
1310 .suspend = cs42l73_suspend,
1311 .resume = cs42l73_resume,
1312 .set_bias_level = cs42l73_set_bias_level,
1313
1314 .dapm_widgets = cs42l73_dapm_widgets,
1315 .num_dapm_widgets = ARRAY_SIZE(cs42l73_dapm_widgets),
1316 .dapm_routes = cs42l73_audio_map,
1317 .num_dapm_routes = ARRAY_SIZE(cs42l73_audio_map),
1318
1319 .controls = cs42l73_snd_controls,
1320 .num_controls = ARRAY_SIZE(cs42l73_snd_controls),
1321};
1322
1323static struct regmap_config cs42l73_regmap = {
1324 .reg_bits = 8,
1325 .val_bits = 8,
1326
1327 .max_register = CS42L73_MAX_REGISTER,
1328 .reg_defaults = cs42l73_reg_defaults,
1329 .num_reg_defaults = ARRAY_SIZE(cs42l73_reg_defaults),
1330 .volatile_reg = cs42l73_volatile_register,
1331 .readable_reg = cs42l73_readable_register,
1332 .cache_type = REGCACHE_RBTREE,
1333};
1334
1335static __devinit int cs42l73_i2c_probe(struct i2c_client *i2c_client,
1336 const struct i2c_device_id *id)
1337{
1338 struct cs42l73_private *cs42l73;
1339 int ret;
1340 unsigned int devid = 0;
1341 unsigned int reg;
1342
Brian Austincc0b4012011-11-28 15:49:31 -0600[diff] [blame]1343 cs42l73 = devm_kzalloc(&i2c_client->dev, sizeof(struct cs42l73_private),
1344 GFP_KERNEL);
Brian Austin6d10c912011-11-16 12:32:27 -0600[diff] [blame]1345 if (!cs42l73) {
1346 dev_err(&i2c_client->dev, "could not allocate codec\n");
1347 return -ENOMEM;
1348 }
1349
1350 i2c_set_clientdata(i2c_client, cs42l73);
1351
1352 cs42l73->regmap = regmap_init_i2c(i2c_client, &cs42l73_regmap);
1353 if (IS_ERR(cs42l73->regmap)) {
1354 ret = PTR_ERR(cs42l73->regmap);
1355 dev_err(&i2c_client->dev, "regmap_init() failed: %d\n", ret);
1356 goto err;
1357 }
1358 /* initialize codec */
1359 ret = regmap_read(cs42l73->regmap, CS42L73_DEVID_AB, &reg);
1360 devid = (reg & 0xFF) << 12;
1361
1362 ret = regmap_read(cs42l73->regmap, CS42L73_DEVID_CD, &reg);
1363 devid |= (reg & 0xFF) << 4;
1364
1365 ret = regmap_read(cs42l73->regmap, CS42L73_DEVID_E, &reg);
1366 devid |= (reg & 0xF0) >> 4;
1367
1368
1369 if (devid != CS42L73_DEVID) {
Axel Linea075612011-11-19 10:15:53 +0800[diff] [blame]1370 ret = -ENODEV;
Brian Austin6d10c912011-11-16 12:32:27 -0600[diff] [blame]1371 dev_err(&i2c_client->dev,
1372 "CS42L73 Device ID (%X). Expected %X\n",
1373 devid, CS42L73_DEVID);
1374 goto err_regmap;
1375 }
1376
1377 ret = regmap_read(cs42l73->regmap, CS42L73_REVID, &reg);
1378 if (ret < 0) {
1379 dev_err(&i2c_client->dev, "Get Revision ID failed\n");
1380 goto err_regmap;
1381 }
1382
1383 dev_info(&i2c_client->dev,
Axel Lin8421f622011-11-19 10:17:36 +0800[diff] [blame]1384 "Cirrus Logic CS42L73, Revision: %02X\n", reg & 0xFF);
Brian Austin6d10c912011-11-16 12:32:27 -0600[diff] [blame]1385
1386 regcache_cache_only(cs42l73->regmap, true);
1387
1388 ret = snd_soc_register_codec(&i2c_client->dev,
1389 &soc_codec_dev_cs42l73, cs42l73_dai,
1390 ARRAY_SIZE(cs42l73_dai));
1391 if (ret < 0)
1392 goto err_regmap;
1393 return 0;
1394
1395err_regmap:
1396 regmap_exit(cs42l73->regmap);
1397
1398err:
Brian Austin6d10c912011-11-16 12:32:27 -0600[diff] [blame]1399 return ret;
1400}
1401
1402static __devexit int cs42l73_i2c_remove(struct i2c_client *client)
1403{
1404 struct cs42l73_private *cs42l73 = i2c_get_clientdata(client);
1405
1406 snd_soc_unregister_codec(&client->dev);
1407 regmap_exit(cs42l73->regmap);
1408
Brian Austin6d10c912011-11-16 12:32:27 -0600[diff] [blame]1409 return 0;
1410}
1411
1412static const struct i2c_device_id cs42l73_id[] = {
1413 {"cs42l73", 0},
1414 {}
1415};
1416
1417MODULE_DEVICE_TABLE(i2c, cs42l73_id);
1418
1419static struct i2c_driver cs42l73_i2c_driver = {
1420 .driver = {
1421 .name = "cs42l73",
1422 .owner = THIS_MODULE,
1423 },
1424 .id_table = cs42l73_id,
1425 .probe = cs42l73_i2c_probe,
1426 .remove = __devexit_p(cs42l73_i2c_remove),
1427
1428};
1429
1430static int __init cs42l73_modinit(void)
1431{
1432 int ret;
1433 ret = i2c_add_driver(&cs42l73_i2c_driver);
1434 if (ret != 0) {
1435 pr_err("Failed to register CS42L73 I2C driver: %d\n", ret);
1436 return ret;
1437 }
1438 return 0;
1439}
1440
1441module_init(cs42l73_modinit);
1442
1443static void __exit cs42l73_exit(void)
1444{
1445 i2c_del_driver(&cs42l73_i2c_driver);
1446}
1447
1448module_exit(cs42l73_exit);
1449
1450MODULE_DESCRIPTION("ASoC CS42L73 driver");
1451MODULE_AUTHOR("Georgi Vlaev, Nucleus Systems Ltd, <joe@nucleusys.com>");
1452MODULE_AUTHOR("Brian Austin, Cirrus Logic Inc, <brian.austin@cirrus.com>");
1453MODULE_LICENSE("GPL");