2 * cs42l56.c -- CS42L56 ALSA SoC audio driver
4 * Copyright 2014 CirrusLogic, Inc.
6 * Author: Brian Austin <brian.austin@cirrus.com>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
14 #include <linux/module.h>
15 #include <linux/moduleparam.h>
16 #include <linux/kernel.h>
17 #include <linux/init.h>
18 #include <linux/delay.h>
20 #include <linux/i2c.h>
21 #include <linux/input.h>
22 #include <linux/regmap.h>
23 #include <linux/slab.h>
24 #include <linux/workqueue.h>
25 #include <linux/platform_device.h>
26 #include <linux/regulator/consumer.h>
27 #include <linux/of_device.h>
28 #include <linux/of_gpio.h>
29 #include <sound/core.h>
30 #include <sound/pcm.h>
31 #include <sound/pcm_params.h>
32 #include <sound/soc.h>
33 #include <sound/soc-dapm.h>
34 #include <sound/initval.h>
35 #include <sound/tlv.h>
36 #include <sound/cs42l56.h>
39 #define CS42L56_NUM_SUPPLIES 3
40 static const char *const cs42l56_supply_names[CS42L56_NUM_SUPPLIES] = {
46 struct cs42l56_private {
47 struct regmap *regmap;
48 struct snd_soc_codec *codec;
50 struct cs42l56_platform_data pdata;
51 struct regulator_bulk_data supplies[CS42L56_NUM_SUPPLIES];
59 #if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE)
60 struct input_dev *beep;
61 struct work_struct beep_work;
66 static const struct reg_default cs42l56_reg_defaults[] = {
67 { 1, 0x56 }, /* r01 - ID 1 */
68 { 2, 0x04 }, /* r02 - ID 2 */
69 { 3, 0x7f }, /* r03 - Power Ctl 1 */
70 { 4, 0xff }, /* r04 - Power Ctl 2 */
71 { 5, 0x00 }, /* ro5 - Clocking Ctl 1 */
72 { 6, 0x0b }, /* r06 - Clocking Ctl 2 */
73 { 7, 0x00 }, /* r07 - Serial Format */
74 { 8, 0x05 }, /* r08 - Class H Ctl */
75 { 9, 0x0c }, /* r09 - Misc Ctl */
76 { 10, 0x80 }, /* r0a - INT Status */
77 { 11, 0x00 }, /* r0b - Playback Ctl */
78 { 12, 0x0c }, /* r0c - DSP Mute Ctl */
79 { 13, 0x00 }, /* r0d - ADCA Mixer Volume */
80 { 14, 0x00 }, /* r0e - ADCB Mixer Volume */
81 { 15, 0x00 }, /* r0f - PCMA Mixer Volume */
82 { 16, 0x00 }, /* r10 - PCMB Mixer Volume */
83 { 17, 0x00 }, /* r11 - Analog Input Advisory Volume */
84 { 18, 0x00 }, /* r12 - Digital Input Advisory Volume */
85 { 19, 0x00 }, /* r13 - Master A Volume */
86 { 20, 0x00 }, /* r14 - Master B Volume */
87 { 21, 0x00 }, /* r15 - Beep Freq / On Time */
88 { 22, 0x00 }, /* r16 - Beep Volume / Off Time */
89 { 23, 0x00 }, /* r17 - Beep Tone Ctl */
90 { 24, 0x88 }, /* r18 - Tone Ctl */
91 { 25, 0x00 }, /* r19 - Channel Mixer & Swap */
92 { 26, 0x00 }, /* r1a - AIN Ref Config / ADC Mux */
93 { 27, 0xa0 }, /* r1b - High-Pass Filter Ctl */
94 { 28, 0x00 }, /* r1c - Misc ADC Ctl */
95 { 29, 0x00 }, /* r1d - Gain & Bias Ctl */
96 { 30, 0x00 }, /* r1e - PGAA Mux & Volume */
97 { 31, 0x00 }, /* r1f - PGAB Mux & Volume */
98 { 32, 0x00 }, /* r20 - ADCA Attenuator */
99 { 33, 0x00 }, /* r21 - ADCB Attenuator */
100 { 34, 0x00 }, /* r22 - ALC Enable & Attack Rate */
101 { 35, 0xbf }, /* r23 - ALC Release Rate */
102 { 36, 0x00 }, /* r24 - ALC Threshold */
103 { 37, 0x00 }, /* r25 - Noise Gate Ctl */
104 { 38, 0x00 }, /* r26 - ALC, Limiter, SFT, ZeroCross */
105 { 39, 0x00 }, /* r27 - Analog Mute, LO & HP Mux */
106 { 40, 0x00 }, /* r28 - HP A Volume */
107 { 41, 0x00 }, /* r29 - HP B Volume */
108 { 42, 0x00 }, /* r2a - LINEOUT A Volume */
109 { 43, 0x00 }, /* r2b - LINEOUT B Volume */
110 { 44, 0x00 }, /* r2c - Limit Threshold Ctl */
111 { 45, 0x7f }, /* r2d - Limiter Ctl & Release Rate */
112 { 46, 0x00 }, /* r2e - Limiter Attack Rate */
115 static bool cs42l56_readable_register(struct device *dev, unsigned int reg)
118 case CS42L56_CHIP_ID_1:
119 case CS42L56_CHIP_ID_2:
120 case CS42L56_PWRCTL_1:
121 case CS42L56_PWRCTL_2:
122 case CS42L56_CLKCTL_1:
123 case CS42L56_CLKCTL_2:
124 case CS42L56_SERIAL_FMT:
125 case CS42L56_CLASSH_CTL:
126 case CS42L56_MISC_CTL:
127 case CS42L56_INT_STATUS:
128 case CS42L56_PLAYBACK_CTL:
129 case CS42L56_DSP_MUTE_CTL:
130 case CS42L56_ADCA_MIX_VOLUME:
131 case CS42L56_ADCB_MIX_VOLUME:
132 case CS42L56_PCMA_MIX_VOLUME:
133 case CS42L56_PCMB_MIX_VOLUME:
134 case CS42L56_ANAINPUT_ADV_VOLUME:
135 case CS42L56_DIGINPUT_ADV_VOLUME:
136 case CS42L56_MASTER_A_VOLUME:
137 case CS42L56_MASTER_B_VOLUME:
138 case CS42L56_BEEP_FREQ_ONTIME:
139 case CS42L56_BEEP_FREQ_OFFTIME:
140 case CS42L56_BEEP_TONE_CFG:
141 case CS42L56_TONE_CTL:
142 case CS42L56_CHAN_MIX_SWAP:
143 case CS42L56_AIN_REFCFG_ADC_MUX:
144 case CS42L56_HPF_CTL:
145 case CS42L56_MISC_ADC_CTL:
146 case CS42L56_GAIN_BIAS_CTL:
147 case CS42L56_PGAA_MUX_VOLUME:
148 case CS42L56_PGAB_MUX_VOLUME:
149 case CS42L56_ADCA_ATTENUATOR:
150 case CS42L56_ADCB_ATTENUATOR:
151 case CS42L56_ALC_EN_ATTACK_RATE:
152 case CS42L56_ALC_RELEASE_RATE:
153 case CS42L56_ALC_THRESHOLD:
154 case CS42L56_NOISE_GATE_CTL:
155 case CS42L56_ALC_LIM_SFT_ZC:
156 case CS42L56_AMUTE_HPLO_MUX:
157 case CS42L56_HPA_VOLUME:
158 case CS42L56_HPB_VOLUME:
159 case CS42L56_LOA_VOLUME:
160 case CS42L56_LOB_VOLUME:
161 case CS42L56_LIM_THRESHOLD_CTL:
162 case CS42L56_LIM_CTL_RELEASE_RATE:
163 case CS42L56_LIM_ATTACK_RATE:
170 static bool cs42l56_volatile_register(struct device *dev, unsigned int reg)
173 case CS42L56_INT_STATUS:
180 static DECLARE_TLV_DB_SCALE(beep_tlv, -5000, 200, 0);
181 static DECLARE_TLV_DB_SCALE(hl_tlv, -6000, 50, 0);
182 static DECLARE_TLV_DB_SCALE(adv_tlv, -10200, 50, 0);
183 static DECLARE_TLV_DB_SCALE(adc_tlv, -9600, 100, 0);
184 static DECLARE_TLV_DB_SCALE(tone_tlv, -1050, 150, 0);
185 static DECLARE_TLV_DB_SCALE(preamp_tlv, 0, 1000, 0);
186 static DECLARE_TLV_DB_SCALE(pga_tlv, -600, 50, 0);
188 static const unsigned int ngnb_tlv[] = {
189 TLV_DB_RANGE_HEAD(2),
190 0, 1, TLV_DB_SCALE_ITEM(-8200, 600, 0),
191 2, 5, TLV_DB_SCALE_ITEM(-7600, 300, 0),
193 static const unsigned int ngb_tlv[] = {
194 TLV_DB_RANGE_HEAD(2),
195 0, 2, TLV_DB_SCALE_ITEM(-6400, 600, 0),
196 3, 7, TLV_DB_SCALE_ITEM(-4600, 300, 0),
198 static const unsigned int alc_tlv[] = {
199 TLV_DB_RANGE_HEAD(2),
200 0, 2, TLV_DB_SCALE_ITEM(-3000, 600, 0),
201 3, 7, TLV_DB_SCALE_ITEM(-1200, 300, 0),
204 static const char * const beep_config_text[] = {
205 "Off", "Single", "Multiple", "Continuous"
208 static const struct soc_enum beep_config_enum =
209 SOC_ENUM_SINGLE(CS42L56_BEEP_TONE_CFG, 6,
210 ARRAY_SIZE(beep_config_text), beep_config_text);
212 static const char * const beep_pitch_text[] = {
213 "C4", "C5", "D5", "E5", "F5", "G5", "A5", "B5",
214 "C6", "D6", "E6", "F6", "G6", "A6", "B6", "C7"
217 static const struct soc_enum beep_pitch_enum =
218 SOC_ENUM_SINGLE(CS42L56_BEEP_FREQ_ONTIME, 4,
219 ARRAY_SIZE(beep_pitch_text), beep_pitch_text);
221 static const char * const beep_ontime_text[] = {
222 "86 ms", "430 ms", "780 ms", "1.20 s", "1.50 s",
223 "1.80 s", "2.20 s", "2.50 s", "2.80 s", "3.20 s",
224 "3.50 s", "3.80 s", "4.20 s", "4.50 s", "4.80 s", "5.20 s"
227 static const struct soc_enum beep_ontime_enum =
228 SOC_ENUM_SINGLE(CS42L56_BEEP_FREQ_ONTIME, 0,
229 ARRAY_SIZE(beep_ontime_text), beep_ontime_text);
231 static const char * const beep_offtime_text[] = {
232 "1.23 s", "2.58 s", "3.90 s", "5.20 s",
233 "6.60 s", "8.05 s", "9.35 s", "10.80 s"
236 static const struct soc_enum beep_offtime_enum =
237 SOC_ENUM_SINGLE(CS42L56_BEEP_FREQ_OFFTIME, 5,
238 ARRAY_SIZE(beep_offtime_text), beep_offtime_text);
240 static const char * const beep_treble_text[] = {
241 "5kHz", "7kHz", "10kHz", "15kHz"
244 static const struct soc_enum beep_treble_enum =
245 SOC_ENUM_SINGLE(CS42L56_BEEP_TONE_CFG, 3,
246 ARRAY_SIZE(beep_treble_text), beep_treble_text);
248 static const char * const beep_bass_text[] = {
249 "50Hz", "100Hz", "200Hz", "250Hz"
252 static const struct soc_enum beep_bass_enum =
253 SOC_ENUM_SINGLE(CS42L56_BEEP_TONE_CFG, 1,
254 ARRAY_SIZE(beep_bass_text), beep_bass_text);
256 static const char * const adc_swap_text[] = {
257 "None", "A+B/2", "A-B/2", "Swap"
260 static const struct soc_enum adc_swap_enum =
261 SOC_ENUM_SINGLE(CS42L56_MISC_ADC_CTL, 3,
262 ARRAY_SIZE(adc_swap_text), adc_swap_text);
264 static const char * const pgaa_mux_text[] = {
265 "AIN1A", "AIN2A", "AIN3A"};
267 static const struct soc_enum pgaa_mux_enum =
268 SOC_ENUM_SINGLE(CS42L56_PGAA_MUX_VOLUME, 0,
269 ARRAY_SIZE(pgaa_mux_text),
272 static const struct snd_kcontrol_new pgaa_mux =
273 SOC_DAPM_ENUM("Route", pgaa_mux_enum);
275 static const char * const pgab_mux_text[] = {
276 "AIN1B", "AIN2B", "AIN3B"};
278 static const struct soc_enum pgab_mux_enum =
279 SOC_ENUM_SINGLE(CS42L56_PGAB_MUX_VOLUME, 0,
280 ARRAY_SIZE(pgab_mux_text),
283 static const struct snd_kcontrol_new pgab_mux =
284 SOC_DAPM_ENUM("Route", pgab_mux_enum);
286 static const char * const adca_mux_text[] = {
287 "PGAA", "AIN1A", "AIN2A", "AIN3A"};
289 static const struct soc_enum adca_mux_enum =
290 SOC_ENUM_SINGLE(CS42L56_AIN_REFCFG_ADC_MUX, 0,
291 ARRAY_SIZE(adca_mux_text),
294 static const struct snd_kcontrol_new adca_mux =
295 SOC_DAPM_ENUM("Route", adca_mux_enum);
297 static const char * const adcb_mux_text[] = {
298 "PGAB", "AIN1B", "AIN2B", "AIN3B"};
300 static const struct soc_enum adcb_mux_enum =
301 SOC_ENUM_SINGLE(CS42L56_AIN_REFCFG_ADC_MUX, 2,
302 ARRAY_SIZE(adcb_mux_text),
305 static const struct snd_kcontrol_new adcb_mux =
306 SOC_DAPM_ENUM("Route", adcb_mux_enum);
308 static const char * const left_swap_text[] = {
309 "Left", "LR 2", "Right"};
311 static const char * const right_swap_text[] = {
312 "Right", "LR 2", "Left"};
314 static const unsigned int swap_values[] = { 0, 1, 3 };
316 static const struct soc_enum adca_swap_enum =
317 SOC_VALUE_ENUM_SINGLE(CS42L56_CHAN_MIX_SWAP, 0, 3,
318 ARRAY_SIZE(left_swap_text),
321 static const struct snd_kcontrol_new adca_swap_mux =
322 SOC_DAPM_ENUM("Route", adca_swap_enum);
324 static const struct soc_enum pcma_swap_enum =
325 SOC_VALUE_ENUM_SINGLE(CS42L56_CHAN_MIX_SWAP, 4, 3,
326 ARRAY_SIZE(left_swap_text),
329 static const struct snd_kcontrol_new pcma_swap_mux =
330 SOC_DAPM_ENUM("Route", pcma_swap_enum);
332 static const struct soc_enum adcb_swap_enum =
333 SOC_VALUE_ENUM_SINGLE(CS42L56_CHAN_MIX_SWAP, 2, 3,
334 ARRAY_SIZE(right_swap_text),
337 static const struct snd_kcontrol_new adcb_swap_mux =
338 SOC_DAPM_ENUM("Route", adcb_swap_enum);
340 static const struct soc_enum pcmb_swap_enum =
341 SOC_VALUE_ENUM_SINGLE(CS42L56_CHAN_MIX_SWAP, 6, 3,
342 ARRAY_SIZE(right_swap_text),
345 static const struct snd_kcontrol_new pcmb_swap_mux =
346 SOC_DAPM_ENUM("Route", pcmb_swap_enum);
348 static const struct snd_kcontrol_new hpa_switch =
349 SOC_DAPM_SINGLE("Switch", CS42L56_PWRCTL_2, 6, 1, 1);
351 static const struct snd_kcontrol_new hpb_switch =
352 SOC_DAPM_SINGLE("Switch", CS42L56_PWRCTL_2, 4, 1, 1);
354 static const struct snd_kcontrol_new loa_switch =
355 SOC_DAPM_SINGLE("Switch", CS42L56_PWRCTL_2, 2, 1, 1);
357 static const struct snd_kcontrol_new lob_switch =
358 SOC_DAPM_SINGLE("Switch", CS42L56_PWRCTL_2, 0, 1, 1);
360 static const char * const hploa_input_text[] = {
363 static const struct soc_enum lineouta_input_enum =
364 SOC_ENUM_SINGLE(CS42L56_AMUTE_HPLO_MUX, 2,
365 ARRAY_SIZE(hploa_input_text),
368 static const struct snd_kcontrol_new lineouta_input =
369 SOC_DAPM_ENUM("Route", lineouta_input_enum);
371 static const struct soc_enum hpa_input_enum =
372 SOC_ENUM_SINGLE(CS42L56_AMUTE_HPLO_MUX, 0,
373 ARRAY_SIZE(hploa_input_text),
376 static const struct snd_kcontrol_new hpa_input =
377 SOC_DAPM_ENUM("Route", hpa_input_enum);
379 static const char * const hplob_input_text[] = {
382 static const struct soc_enum lineoutb_input_enum =
383 SOC_ENUM_SINGLE(CS42L56_AMUTE_HPLO_MUX, 3,
384 ARRAY_SIZE(hplob_input_text),
387 static const struct snd_kcontrol_new lineoutb_input =
388 SOC_DAPM_ENUM("Route", lineoutb_input_enum);
390 static const struct soc_enum hpb_input_enum =
391 SOC_ENUM_SINGLE(CS42L56_AMUTE_HPLO_MUX, 1,
392 ARRAY_SIZE(hplob_input_text),
395 static const struct snd_kcontrol_new hpb_input =
396 SOC_DAPM_ENUM("Route", hpb_input_enum);
398 static const char * const dig_mux_text[] = {
401 static const struct soc_enum dig_mux_enum =
402 SOC_ENUM_SINGLE(CS42L56_MISC_CTL, 7,
403 ARRAY_SIZE(dig_mux_text),
406 static const struct snd_kcontrol_new dig_mux =
407 SOC_DAPM_ENUM("Route", dig_mux_enum);
409 static const char * const hpf_freq_text[] = {
410 "1.8Hz", "119Hz", "236Hz", "464Hz"
413 static const struct soc_enum hpfa_freq_enum =
414 SOC_ENUM_SINGLE(CS42L56_HPF_CTL, 0,
415 ARRAY_SIZE(hpf_freq_text), hpf_freq_text);
417 static const struct soc_enum hpfb_freq_enum =
418 SOC_ENUM_SINGLE(CS42L56_HPF_CTL, 2,
419 ARRAY_SIZE(hpf_freq_text), hpf_freq_text);
421 static const char * const ng_delay_text[] = {
422 "50ms", "100ms", "150ms", "200ms"
425 static const struct soc_enum ng_delay_enum =
426 SOC_ENUM_SINGLE(CS42L56_NOISE_GATE_CTL, 0,
427 ARRAY_SIZE(ng_delay_text), ng_delay_text);
429 static const struct snd_kcontrol_new cs42l56_snd_controls[] = {
431 SOC_DOUBLE_R_SX_TLV("Master Volume", CS42L56_MASTER_A_VOLUME,
432 CS42L56_MASTER_B_VOLUME, 0, 0x34, 0xE4, adv_tlv),
433 SOC_DOUBLE("Master Mute Switch", CS42L56_DSP_MUTE_CTL, 0, 1, 1, 1),
435 SOC_DOUBLE_R_SX_TLV("ADC Mixer Volume", CS42L56_ADCA_MIX_VOLUME,
436 CS42L56_ADCB_MIX_VOLUME, 0, 0x88, 0x90, hl_tlv),
437 SOC_DOUBLE("ADC Mixer Mute Switch", CS42L56_DSP_MUTE_CTL, 6, 7, 1, 1),
439 SOC_DOUBLE_R_SX_TLV("PCM Mixer Volume", CS42L56_PCMA_MIX_VOLUME,
440 CS42L56_PCMB_MIX_VOLUME, 0, 0x88, 0x90, hl_tlv),
441 SOC_DOUBLE("PCM Mixer Mute Switch", CS42L56_DSP_MUTE_CTL, 4, 5, 1, 1),
443 SOC_SINGLE_TLV("Analog Advisory Volume",
444 CS42L56_ANAINPUT_ADV_VOLUME, 0, 0x00, 1, adv_tlv),
445 SOC_SINGLE_TLV("Digital Advisory Volume",
446 CS42L56_DIGINPUT_ADV_VOLUME, 0, 0x00, 1, adv_tlv),
448 SOC_DOUBLE_R_SX_TLV("PGA Volume", CS42L56_PGAA_MUX_VOLUME,
449 CS42L56_PGAB_MUX_VOLUME, 0, 0x34, 0x24, pga_tlv),
450 SOC_DOUBLE_R_TLV("ADC Volume", CS42L56_ADCA_ATTENUATOR,
451 CS42L56_ADCB_ATTENUATOR, 0, 0x00, 1, adc_tlv),
452 SOC_DOUBLE("ADC Mute Switch", CS42L56_MISC_ADC_CTL, 2, 3, 1, 1),
453 SOC_DOUBLE("ADC Boost Switch", CS42L56_GAIN_BIAS_CTL, 3, 2, 1, 1),
455 SOC_DOUBLE_R_SX_TLV("Headphone Volume", CS42L56_HPA_VOLUME,
456 CS42L56_HPB_VOLUME, 0, 0x84, 0x48, hl_tlv),
457 SOC_DOUBLE_R_SX_TLV("LineOut Volume", CS42L56_LOA_VOLUME,
458 CS42L56_LOB_VOLUME, 0, 0x84, 0x48, hl_tlv),
460 SOC_SINGLE_TLV("Bass Shelving Volume", CS42L56_TONE_CTL,
461 0, 0x00, 1, tone_tlv),
462 SOC_SINGLE_TLV("Treble Shelving Volume", CS42L56_TONE_CTL,
463 4, 0x00, 1, tone_tlv),
465 SOC_DOUBLE_TLV("PGA Preamp Volume", CS42L56_GAIN_BIAS_CTL,
466 4, 6, 0x02, 1, preamp_tlv),
468 SOC_SINGLE("DSP Switch", CS42L56_PLAYBACK_CTL, 7, 1, 1),
469 SOC_SINGLE("Gang Playback Switch", CS42L56_PLAYBACK_CTL, 4, 1, 1),
470 SOC_SINGLE("Gang ADC Switch", CS42L56_MISC_ADC_CTL, 7, 1, 1),
471 SOC_SINGLE("Gang PGA Switch", CS42L56_MISC_ADC_CTL, 6, 1, 1),
473 SOC_SINGLE("PCMA Invert", CS42L56_PLAYBACK_CTL, 2, 1, 1),
474 SOC_SINGLE("PCMB Invert", CS42L56_PLAYBACK_CTL, 3, 1, 1),
475 SOC_SINGLE("ADCA Invert", CS42L56_MISC_ADC_CTL, 2, 1, 1),
476 SOC_SINGLE("ADCB Invert", CS42L56_MISC_ADC_CTL, 3, 1, 1),
478 SOC_DOUBLE("HPF Switch", CS42L56_HPF_CTL, 5, 7, 1, 1),
479 SOC_DOUBLE("HPF Freeze Switch", CS42L56_HPF_CTL, 4, 6, 1, 1),
480 SOC_ENUM("HPFA Corner Freq", hpfa_freq_enum),
481 SOC_ENUM("HPFB Corner Freq", hpfb_freq_enum),
483 SOC_SINGLE("Analog Soft Ramp", CS42L56_MISC_CTL, 4, 1, 1),
484 SOC_DOUBLE("Analog Soft Ramp Disable", CS42L56_ALC_LIM_SFT_ZC,
486 SOC_SINGLE("Analog Zero Cross", CS42L56_MISC_CTL, 3, 1, 1),
487 SOC_DOUBLE("Analog Zero Cross Disable", CS42L56_ALC_LIM_SFT_ZC,
489 SOC_SINGLE("Digital Soft Ramp", CS42L56_MISC_CTL, 2, 1, 1),
490 SOC_SINGLE("Digital Soft Ramp Disable", CS42L56_ALC_LIM_SFT_ZC,
493 SOC_SINGLE("HL Deemphasis", CS42L56_PLAYBACK_CTL, 6, 1, 1),
495 SOC_SINGLE("ALC Switch", CS42L56_ALC_EN_ATTACK_RATE, 6, 1, 1),
496 SOC_SINGLE("ALC Limit All Switch", CS42L56_ALC_RELEASE_RATE, 7, 1, 1),
497 SOC_SINGLE_RANGE("ALC Attack", CS42L56_ALC_EN_ATTACK_RATE,
499 SOC_SINGLE_RANGE("ALC Release", CS42L56_ALC_RELEASE_RATE,
501 SOC_SINGLE_TLV("ALC MAX", CS42L56_ALC_THRESHOLD,
502 5, 0x07, 1, alc_tlv),
503 SOC_SINGLE_TLV("ALC MIN", CS42L56_ALC_THRESHOLD,
504 2, 0x07, 1, alc_tlv),
506 SOC_SINGLE("Limiter Switch", CS42L56_LIM_CTL_RELEASE_RATE, 7, 1, 1),
507 SOC_SINGLE("Limit All Switch", CS42L56_LIM_CTL_RELEASE_RATE, 6, 1, 1),
508 SOC_SINGLE_RANGE("Limiter Attack", CS42L56_LIM_ATTACK_RATE,
510 SOC_SINGLE_RANGE("Limiter Release", CS42L56_LIM_CTL_RELEASE_RATE,
512 SOC_SINGLE_TLV("Limiter MAX", CS42L56_LIM_THRESHOLD_CTL,
513 5, 0x07, 1, alc_tlv),
514 SOC_SINGLE_TLV("Limiter Cushion", CS42L56_ALC_THRESHOLD,
515 2, 0x07, 1, alc_tlv),
517 SOC_SINGLE("NG Switch", CS42L56_NOISE_GATE_CTL, 6, 1, 1),
518 SOC_SINGLE("NG All Switch", CS42L56_NOISE_GATE_CTL, 7, 1, 1),
519 SOC_SINGLE("NG Boost Switch", CS42L56_NOISE_GATE_CTL, 5, 1, 1),
520 SOC_SINGLE_TLV("NG Unboost Threshold", CS42L56_NOISE_GATE_CTL,
521 2, 0x07, 1, ngnb_tlv),
522 SOC_SINGLE_TLV("NG Boost Threshold", CS42L56_NOISE_GATE_CTL,
523 2, 0x07, 1, ngb_tlv),
524 SOC_ENUM("NG Delay", ng_delay_enum),
526 SOC_ENUM("Beep Config", beep_config_enum),
527 SOC_ENUM("Beep Pitch", beep_pitch_enum),
528 SOC_ENUM("Beep on Time", beep_ontime_enum),
529 SOC_ENUM("Beep off Time", beep_offtime_enum),
530 SOC_SINGLE_SX_TLV("Beep Volume", CS42L56_BEEP_FREQ_OFFTIME,
531 0, 0x07, 0x23, beep_tlv),
532 SOC_SINGLE("Beep Tone Ctl Switch", CS42L56_BEEP_TONE_CFG, 0, 1, 1),
533 SOC_ENUM("Beep Treble Corner Freq", beep_treble_enum),
534 SOC_ENUM("Beep Bass Corner Freq", beep_bass_enum),
538 static const struct snd_soc_dapm_widget cs42l56_dapm_widgets[] = {
540 SND_SOC_DAPM_SIGGEN("Beep"),
541 SND_SOC_DAPM_SUPPLY("VBUF", CS42L56_PWRCTL_1, 5, 1, NULL, 0),
542 SND_SOC_DAPM_MICBIAS("MIC1 Bias", CS42L56_PWRCTL_1, 4, 1),
543 SND_SOC_DAPM_SUPPLY("Charge Pump", CS42L56_PWRCTL_1, 3, 1, NULL, 0),
545 SND_SOC_DAPM_INPUT("AIN1A"),
546 SND_SOC_DAPM_INPUT("AIN2A"),
547 SND_SOC_DAPM_INPUT("AIN1B"),
548 SND_SOC_DAPM_INPUT("AIN2B"),
549 SND_SOC_DAPM_INPUT("AIN3A"),
550 SND_SOC_DAPM_INPUT("AIN3B"),
552 SND_SOC_DAPM_AIF_OUT("SDOUT", NULL, 0,
555 SND_SOC_DAPM_AIF_IN("SDIN", NULL, 0,
558 SND_SOC_DAPM_MUX("Digital Output Mux", SND_SOC_NOPM,
561 SND_SOC_DAPM_PGA("PGAA", SND_SOC_NOPM, 0, 0, NULL, 0),
562 SND_SOC_DAPM_PGA("PGAB", SND_SOC_NOPM, 0, 0, NULL, 0),
563 SND_SOC_DAPM_MUX("PGAA Input Mux",
564 SND_SOC_NOPM, 0, 0, &pgaa_mux),
565 SND_SOC_DAPM_MUX("PGAB Input Mux",
566 SND_SOC_NOPM, 0, 0, &pgab_mux),
568 SND_SOC_DAPM_MUX("ADCA Mux", SND_SOC_NOPM,
570 SND_SOC_DAPM_MUX("ADCB Mux", SND_SOC_NOPM,
573 SND_SOC_DAPM_ADC("ADCA", NULL, CS42L56_PWRCTL_1, 1, 1),
574 SND_SOC_DAPM_ADC("ADCB", NULL, CS42L56_PWRCTL_1, 2, 1),
576 SND_SOC_DAPM_MUX("ADCA Swap Mux", SND_SOC_NOPM, 0, 0,
578 SND_SOC_DAPM_MUX("ADCB Swap Mux", SND_SOC_NOPM, 0, 0,
581 SND_SOC_DAPM_MUX("PCMA Swap Mux", SND_SOC_NOPM, 0, 0,
583 SND_SOC_DAPM_MUX("PCMB Swap Mux", SND_SOC_NOPM, 0, 0,
586 SND_SOC_DAPM_DAC("DACA", NULL, SND_SOC_NOPM, 0, 0),
587 SND_SOC_DAPM_DAC("DACB", NULL, SND_SOC_NOPM, 0, 0),
589 SND_SOC_DAPM_OUTPUT("HPA"),
590 SND_SOC_DAPM_OUTPUT("LOA"),
591 SND_SOC_DAPM_OUTPUT("HPB"),
592 SND_SOC_DAPM_OUTPUT("LOB"),
594 SND_SOC_DAPM_SWITCH("Headphone Right",
595 CS42L56_PWRCTL_2, 4, 1, &hpb_switch),
596 SND_SOC_DAPM_SWITCH("Headphone Left",
597 CS42L56_PWRCTL_2, 6, 1, &hpa_switch),
599 SND_SOC_DAPM_SWITCH("Lineout Right",
600 CS42L56_PWRCTL_2, 0, 1, &lob_switch),
601 SND_SOC_DAPM_SWITCH("Lineout Left",
602 CS42L56_PWRCTL_2, 2, 1, &loa_switch),
604 SND_SOC_DAPM_MUX("LINEOUTA Input Mux", SND_SOC_NOPM,
605 0, 0, &lineouta_input),
606 SND_SOC_DAPM_MUX("LINEOUTB Input Mux", SND_SOC_NOPM,
607 0, 0, &lineoutb_input),
608 SND_SOC_DAPM_MUX("HPA Input Mux", SND_SOC_NOPM,
610 SND_SOC_DAPM_MUX("HPB Input Mux", SND_SOC_NOPM,
615 static const struct snd_soc_dapm_route cs42l56_audio_map[] = {
617 {"HiFi Capture", "DSP", "Digital Output Mux"},
618 {"HiFi Capture", "ADC", "Digital Output Mux"},
620 {"Digital Output Mux", NULL, "ADCA"},
621 {"Digital Output Mux", NULL, "ADCB"},
623 {"ADCB", NULL, "ADCB Swap Mux"},
624 {"ADCA", NULL, "ADCA Swap Mux"},
626 {"ADCA Swap Mux", NULL, "ADCA"},
627 {"ADCB Swap Mux", NULL, "ADCB"},
629 {"DACA", "Left", "ADCA Swap Mux"},
630 {"DACA", "LR 2", "ADCA Swap Mux"},
631 {"DACA", "Right", "ADCA Swap Mux"},
633 {"DACB", "Left", "ADCB Swap Mux"},
634 {"DACB", "LR 2", "ADCB Swap Mux"},
635 {"DACB", "Right", "ADCB Swap Mux"},
637 {"ADCA Mux", NULL, "AIN3A"},
638 {"ADCA Mux", NULL, "AIN2A"},
639 {"ADCA Mux", NULL, "AIN1A"},
640 {"ADCA Mux", NULL, "PGAA"},
641 {"ADCB Mux", NULL, "AIN3B"},
642 {"ADCB Mux", NULL, "AIN2B"},
643 {"ADCB Mux", NULL, "AIN1B"},
644 {"ADCB Mux", NULL, "PGAB"},
646 {"PGAA", "AIN1A", "PGAA Input Mux"},
647 {"PGAA", "AIN2A", "PGAA Input Mux"},
648 {"PGAA", "AIN3A", "PGAA Input Mux"},
649 {"PGAB", "AIN1B", "PGAB Input Mux"},
650 {"PGAB", "AIN2B", "PGAB Input Mux"},
651 {"PGAB", "AIN3B", "PGAB Input Mux"},
653 {"PGAA Input Mux", NULL, "AIN1A"},
654 {"PGAA Input Mux", NULL, "AIN2A"},
655 {"PGAA Input Mux", NULL, "AIN3A"},
656 {"PGAB Input Mux", NULL, "AIN1B"},
657 {"PGAB Input Mux", NULL, "AIN2B"},
658 {"PGAB Input Mux", NULL, "AIN3B"},
660 {"LOB", "Switch", "LINEOUTB Input Mux"},
661 {"LOA", "Switch", "LINEOUTA Input Mux"},
663 {"LINEOUTA Input Mux", "PGAA", "PGAA"},
664 {"LINEOUTB Input Mux", "PGAB", "PGAB"},
665 {"LINEOUTA Input Mux", "DACA", "DACA"},
666 {"LINEOUTB Input Mux", "DACB", "DACB"},
668 {"HPA", "Switch", "HPB Input Mux"},
669 {"HPB", "Switch", "HPA Input Mux"},
671 {"HPA Input Mux", "PGAA", "PGAA"},
672 {"HPB Input Mux", "PGAB", "PGAB"},
673 {"HPA Input Mux", "DACA", "DACA"},
674 {"HPB Input Mux", "DACB", "DACB"},
676 {"DACA", NULL, "PCMA Swap Mux"},
677 {"DACB", NULL, "PCMB Swap Mux"},
679 {"PCMB Swap Mux", "Left", "HiFi Playback"},
680 {"PCMB Swap Mux", "LR 2", "HiFi Playback"},
681 {"PCMB Swap Mux", "Right", "HiFi Playback"},
683 {"PCMA Swap Mux", "Left", "HiFi Playback"},
684 {"PCMA Swap Mux", "LR 2", "HiFi Playback"},
685 {"PCMA Swap Mux", "Right", "HiFi Playback"},
689 struct cs42l56_clk_para {
695 static const struct cs42l56_clk_para clk_ratio_table[] = {
697 { 6000000, 8000, CS42L56_MCLK_LRCLK_768 },
698 { 6144000, 8000, CS42L56_MCLK_LRCLK_750 },
699 { 12000000, 8000, CS42L56_MCLK_LRCLK_768 },
700 { 12288000, 8000, CS42L56_MCLK_LRCLK_750 },
701 { 24000000, 8000, CS42L56_MCLK_LRCLK_768 },
702 { 24576000, 8000, CS42L56_MCLK_LRCLK_750 },
704 { 5644800, 11025, CS42L56_MCLK_LRCLK_512},
705 { 11289600, 11025, CS42L56_MCLK_LRCLK_512},
706 { 22579200, 11025, CS42L56_MCLK_LRCLK_512 },
708 { 6000000, 110294, CS42L56_MCLK_LRCLK_544 },
709 { 12000000, 110294, CS42L56_MCLK_LRCLK_544 },
710 { 24000000, 110294, CS42L56_MCLK_LRCLK_544 },
712 { 6000000, 12000, CS42L56_MCLK_LRCLK_500 },
713 { 6144000, 12000, CS42L56_MCLK_LRCLK_512 },
714 { 12000000, 12000, CS42L56_MCLK_LRCLK_500 },
715 { 12288000, 12000, CS42L56_MCLK_LRCLK_512 },
716 { 24000000, 12000, CS42L56_MCLK_LRCLK_500 },
717 { 24576000, 12000, CS42L56_MCLK_LRCLK_512 },
719 { 6000000, 16000, CS42L56_MCLK_LRCLK_375 },
720 { 6144000, 16000, CS42L56_MCLK_LRCLK_384 },
721 { 12000000, 16000, CS42L56_MCLK_LRCLK_375 },
722 { 12288000, 16000, CS42L56_MCLK_LRCLK_384 },
723 { 24000000, 16000, CS42L56_MCLK_LRCLK_375 },
724 { 24576000, 16000, CS42L56_MCLK_LRCLK_384 },
726 { 5644800, 22050, CS42L56_MCLK_LRCLK_256 },
727 { 11289600, 22050, CS42L56_MCLK_LRCLK_256 },
728 { 22579200, 22050, CS42L56_MCLK_LRCLK_256 },
730 { 6000000, 220588, CS42L56_MCLK_LRCLK_272 },
731 { 12000000, 220588, CS42L56_MCLK_LRCLK_272 },
732 { 24000000, 220588, CS42L56_MCLK_LRCLK_272 },
734 { 6000000, 24000, CS42L56_MCLK_LRCLK_250 },
735 { 6144000, 24000, CS42L56_MCLK_LRCLK_256 },
736 { 12000000, 24000, CS42L56_MCLK_LRCLK_250 },
737 { 12288000, 24000, CS42L56_MCLK_LRCLK_256 },
738 { 24000000, 24000, CS42L56_MCLK_LRCLK_250 },
739 { 24576000, 24000, CS42L56_MCLK_LRCLK_256 },
741 { 6000000, 32000, CS42L56_MCLK_LRCLK_187P5 },
742 { 6144000, 32000, CS42L56_MCLK_LRCLK_192 },
743 { 12000000, 32000, CS42L56_MCLK_LRCLK_187P5 },
744 { 12288000, 32000, CS42L56_MCLK_LRCLK_192 },
745 { 24000000, 32000, CS42L56_MCLK_LRCLK_187P5 },
746 { 24576000, 32000, CS42L56_MCLK_LRCLK_192 },
748 { 6000000, 44118, CS42L56_MCLK_LRCLK_136 },
749 { 12000000, 44118, CS42L56_MCLK_LRCLK_136 },
750 { 24000000, 44118, CS42L56_MCLK_LRCLK_136 },
752 { 5644800, 44100, CS42L56_MCLK_LRCLK_128 },
753 { 11289600, 44100, CS42L56_MCLK_LRCLK_128 },
754 { 22579200, 44100, CS42L56_MCLK_LRCLK_128 },
756 { 6000000, 48000, CS42L56_MCLK_LRCLK_125 },
757 { 6144000, 48000, CS42L56_MCLK_LRCLK_128 },
758 { 12000000, 48000, CS42L56_MCLK_LRCLK_125 },
759 { 12288000, 48000, CS42L56_MCLK_LRCLK_128 },
760 { 24000000, 48000, CS42L56_MCLK_LRCLK_125 },
761 { 24576000, 48000, CS42L56_MCLK_LRCLK_128 },
764 static int cs42l56_get_mclk_ratio(int mclk, int rate)
768 for (i = 0; i < ARRAY_SIZE(clk_ratio_table); i++) {
769 if (clk_ratio_table[i].mclk == mclk &&
770 clk_ratio_table[i].srate == rate)
771 return clk_ratio_table[i].ratio;
776 static int cs42l56_set_sysclk(struct snd_soc_dai *codec_dai,
777 int clk_id, unsigned int freq, int dir)
779 struct snd_soc_codec *codec = codec_dai->codec;
780 struct cs42l56_private *cs42l56 = snd_soc_codec_get_drvdata(codec);
783 case CS42L56_MCLK_5P6448MHZ:
784 case CS42L56_MCLK_6MHZ:
785 case CS42L56_MCLK_6P144MHZ:
786 cs42l56->mclk_div2 = 0;
787 cs42l56->mclk_prediv = 0;
789 case CS42L56_MCLK_11P2896MHZ:
790 case CS42L56_MCLK_12MHZ:
791 case CS42L56_MCLK_12P288MHZ:
792 cs42l56->mclk_div2 = CS42L56_MCLK_DIV2;
793 cs42l56->mclk_prediv = 0;
795 case CS42L56_MCLK_22P5792MHZ:
796 case CS42L56_MCLK_24MHZ:
797 case CS42L56_MCLK_24P576MHZ:
798 cs42l56->mclk_div2 = CS42L56_MCLK_DIV2;
799 cs42l56->mclk_prediv = CS42L56_MCLK_PREDIV;
804 cs42l56->mclk = freq;
806 snd_soc_update_bits(codec, CS42L56_CLKCTL_1,
807 CS42L56_MCLK_PREDIV_MASK,
808 cs42l56->mclk_prediv);
809 snd_soc_update_bits(codec, CS42L56_CLKCTL_1,
810 CS42L56_MCLK_DIV2_MASK,
816 static int cs42l56_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
818 struct snd_soc_codec *codec = codec_dai->codec;
819 struct cs42l56_private *cs42l56 = snd_soc_codec_get_drvdata(codec);
821 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
822 case SND_SOC_DAIFMT_CBM_CFM:
823 cs42l56->iface = CS42L56_MASTER_MODE;
825 case SND_SOC_DAIFMT_CBS_CFS:
826 cs42l56->iface = CS42L56_SLAVE_MODE;
832 /* interface format */
833 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
834 case SND_SOC_DAIFMT_I2S:
835 cs42l56->iface_fmt = CS42L56_DIG_FMT_I2S;
837 case SND_SOC_DAIFMT_LEFT_J:
838 cs42l56->iface_fmt = CS42L56_DIG_FMT_LEFT_J;
845 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
846 case SND_SOC_DAIFMT_NB_NF:
847 cs42l56->iface_inv = 0;
849 case SND_SOC_DAIFMT_IB_NF:
850 cs42l56->iface_inv = CS42L56_SCLK_INV;
856 snd_soc_update_bits(codec, CS42L56_CLKCTL_1,
857 CS42L56_MS_MODE_MASK, cs42l56->iface);
858 snd_soc_update_bits(codec, CS42L56_SERIAL_FMT,
859 CS42L56_DIG_FMT_MASK, cs42l56->iface_fmt);
860 snd_soc_update_bits(codec, CS42L56_CLKCTL_1,
861 CS42L56_SCLK_INV_MASK, cs42l56->iface_inv);
865 static int cs42l56_digital_mute(struct snd_soc_dai *dai, int mute)
867 struct snd_soc_codec *codec = dai->codec;
870 /* Hit the DSP Mixer first */
871 snd_soc_update_bits(codec, CS42L56_DSP_MUTE_CTL,
872 CS42L56_ADCAMIX_MUTE_MASK |
873 CS42L56_ADCBMIX_MUTE_MASK |
874 CS42L56_PCMAMIX_MUTE_MASK |
875 CS42L56_PCMBMIX_MUTE_MASK |
876 CS42L56_MSTB_MUTE_MASK |
877 CS42L56_MSTA_MUTE_MASK,
880 snd_soc_update_bits(codec, CS42L56_MISC_ADC_CTL,
881 CS42L56_ADCA_MUTE_MASK |
882 CS42L56_ADCB_MUTE_MASK,
885 snd_soc_update_bits(codec, CS42L56_HPA_VOLUME,
886 CS42L56_HP_MUTE_MASK, CS42L56_MUTE_ALL);
887 snd_soc_update_bits(codec, CS42L56_HPB_VOLUME,
888 CS42L56_HP_MUTE_MASK, CS42L56_MUTE_ALL);
889 snd_soc_update_bits(codec, CS42L56_LOA_VOLUME,
890 CS42L56_LO_MUTE_MASK, CS42L56_MUTE_ALL);
891 snd_soc_update_bits(codec, CS42L56_LOB_VOLUME,
892 CS42L56_LO_MUTE_MASK, CS42L56_MUTE_ALL);
894 snd_soc_update_bits(codec, CS42L56_DSP_MUTE_CTL,
895 CS42L56_ADCAMIX_MUTE_MASK |
896 CS42L56_ADCBMIX_MUTE_MASK |
897 CS42L56_PCMAMIX_MUTE_MASK |
898 CS42L56_PCMBMIX_MUTE_MASK |
899 CS42L56_MSTB_MUTE_MASK |
900 CS42L56_MSTA_MUTE_MASK,
903 snd_soc_update_bits(codec, CS42L56_MISC_ADC_CTL,
904 CS42L56_ADCA_MUTE_MASK |
905 CS42L56_ADCB_MUTE_MASK,
908 snd_soc_update_bits(codec, CS42L56_HPA_VOLUME,
909 CS42L56_HP_MUTE_MASK, CS42L56_UNMUTE);
910 snd_soc_update_bits(codec, CS42L56_HPB_VOLUME,
911 CS42L56_HP_MUTE_MASK, CS42L56_UNMUTE);
912 snd_soc_update_bits(codec, CS42L56_LOA_VOLUME,
913 CS42L56_LO_MUTE_MASK, CS42L56_UNMUTE);
914 snd_soc_update_bits(codec, CS42L56_LOB_VOLUME,
915 CS42L56_LO_MUTE_MASK, CS42L56_UNMUTE);
920 static int cs42l56_pcm_hw_params(struct snd_pcm_substream *substream,
921 struct snd_pcm_hw_params *params,
922 struct snd_soc_dai *dai)
924 struct snd_soc_codec *codec = dai->codec;
925 struct cs42l56_private *cs42l56 = snd_soc_codec_get_drvdata(codec);
928 ratio = cs42l56_get_mclk_ratio(cs42l56->mclk, params_rate(params));
930 snd_soc_update_bits(codec, CS42L56_CLKCTL_2,
931 CS42L56_CLK_RATIO_MASK, ratio);
933 dev_err(codec->dev, "unsupported mclk/sclk/lrclk ratio\n");
940 static int cs42l56_set_bias_level(struct snd_soc_codec *codec,
941 enum snd_soc_bias_level level)
943 struct cs42l56_private *cs42l56 = snd_soc_codec_get_drvdata(codec);
947 case SND_SOC_BIAS_ON:
949 case SND_SOC_BIAS_PREPARE:
950 snd_soc_update_bits(codec, CS42L56_CLKCTL_1,
951 CS42L56_MCLK_DIS_MASK, 0);
952 snd_soc_update_bits(codec, CS42L56_PWRCTL_1,
953 CS42L56_PDN_ALL_MASK, 0);
955 case SND_SOC_BIAS_STANDBY:
956 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
957 regcache_cache_only(cs42l56->regmap, false);
958 regcache_sync(cs42l56->regmap);
959 ret = regulator_bulk_enable(ARRAY_SIZE(cs42l56->supplies),
962 dev_err(cs42l56->dev,
963 "Failed to enable regulators: %d\n",
968 snd_soc_update_bits(codec, CS42L56_PWRCTL_1,
969 CS42L56_PDN_ALL_MASK, 1);
971 case SND_SOC_BIAS_OFF:
972 snd_soc_update_bits(codec, CS42L56_PWRCTL_1,
973 CS42L56_PDN_ALL_MASK, 1);
974 snd_soc_update_bits(codec, CS42L56_CLKCTL_1,
975 CS42L56_MCLK_DIS_MASK, 1);
976 regcache_cache_only(cs42l56->regmap, true);
977 regulator_bulk_disable(ARRAY_SIZE(cs42l56->supplies),
981 codec->dapm.bias_level = level;
986 #define CS42L56_RATES (SNDRV_PCM_RATE_8000_48000)
988 #define CS42L56_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S18_3LE | \
989 SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE | \
990 SNDRV_PCM_FMTBIT_S32_LE)
993 static struct snd_soc_dai_ops cs42l56_ops = {
994 .hw_params = cs42l56_pcm_hw_params,
995 .digital_mute = cs42l56_digital_mute,
996 .set_fmt = cs42l56_set_dai_fmt,
997 .set_sysclk = cs42l56_set_sysclk,
1000 static struct snd_soc_dai_driver cs42l56_dai = {
1003 .stream_name = "HiFi Playback",
1006 .rates = CS42L56_RATES,
1007 .formats = CS42L56_FORMATS,
1010 .stream_name = "HiFi Capture",
1013 .rates = CS42L56_RATES,
1014 .formats = CS42L56_FORMATS,
1016 .ops = &cs42l56_ops,
1019 static int cs42l56_suspend(struct snd_soc_codec *codec)
1021 cs42l56_set_bias_level(codec, SND_SOC_BIAS_OFF);
1026 static int cs42l56_resume(struct snd_soc_codec *codec)
1028 cs42l56_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1033 static int beep_freq[] = {
1034 261, 522, 585, 667, 706, 774, 889, 1000,
1035 1043, 1200, 1333, 1412, 1600, 1714, 2000, 2182
1038 static void cs42l56_beep_work(struct work_struct *work)
1040 struct cs42l56_private *cs42l56 =
1041 container_of(work, struct cs42l56_private, beep_work);
1042 struct snd_soc_codec *codec = cs42l56->codec;
1043 struct snd_soc_dapm_context *dapm = &codec->dapm;
1048 if (cs42l56->beep_rate) {
1049 for (i = 0; i < ARRAY_SIZE(beep_freq); i++) {
1050 if (abs(cs42l56->beep_rate - beep_freq[i]) <
1051 abs(cs42l56->beep_rate - beep_freq[best]))
1055 dev_dbg(codec->dev, "Set beep rate %dHz for requested %dHz\n",
1056 beep_freq[best], cs42l56->beep_rate);
1058 val = (best << CS42L56_BEEP_RATE_SHIFT);
1060 snd_soc_dapm_enable_pin(dapm, "Beep");
1062 dev_dbg(codec->dev, "Disabling beep\n");
1063 snd_soc_dapm_disable_pin(dapm, "Beep");
1066 snd_soc_update_bits(codec, CS42L56_BEEP_FREQ_ONTIME,
1067 CS42L56_BEEP_FREQ_MASK, val);
1069 snd_soc_dapm_sync(dapm);
1072 /* For usability define a way of injecting beep events for the device -
1073 * many systems will not have a keyboard.
1075 static int cs42l56_beep_event(struct input_dev *dev, unsigned int type,
1076 unsigned int code, int hz)
1078 struct snd_soc_codec *codec = input_get_drvdata(dev);
1079 struct cs42l56_private *cs42l56 = snd_soc_codec_get_drvdata(codec);
1081 dev_dbg(codec->dev, "Beep event %x %x\n", code, hz);
1093 /* Kick the beep from a workqueue */
1094 cs42l56->beep_rate = hz;
1095 schedule_work(&cs42l56->beep_work);
1099 static ssize_t cs42l56_beep_set(struct device *dev,
1100 struct device_attribute *attr,
1101 const char *buf, size_t count)
1103 struct cs42l56_private *cs42l56 = dev_get_drvdata(dev);
1107 ret = kstrtol(buf, 10, &time);
1111 input_event(cs42l56->beep, EV_SND, SND_TONE, time);
1116 static DEVICE_ATTR(beep, 0200, NULL, cs42l56_beep_set);
1118 static void cs42l56_init_beep(struct snd_soc_codec *codec)
1120 struct cs42l56_private *cs42l56 = snd_soc_codec_get_drvdata(codec);
1123 cs42l56->beep = devm_input_allocate_device(codec->dev);
1124 if (!cs42l56->beep) {
1125 dev_err(codec->dev, "Failed to allocate beep device\n");
1129 INIT_WORK(&cs42l56->beep_work, cs42l56_beep_work);
1130 cs42l56->beep_rate = 0;
1132 cs42l56->beep->name = "CS42L56 Beep Generator";
1133 cs42l56->beep->phys = dev_name(codec->dev);
1134 cs42l56->beep->id.bustype = BUS_I2C;
1136 cs42l56->beep->evbit[0] = BIT_MASK(EV_SND);
1137 cs42l56->beep->sndbit[0] = BIT_MASK(SND_BELL) | BIT_MASK(SND_TONE);
1138 cs42l56->beep->event = cs42l56_beep_event;
1139 cs42l56->beep->dev.parent = codec->dev;
1140 input_set_drvdata(cs42l56->beep, codec);
1142 ret = input_register_device(cs42l56->beep);
1144 cs42l56->beep = NULL;
1145 dev_err(codec->dev, "Failed to register beep device\n");
1148 ret = device_create_file(codec->dev, &dev_attr_beep);
1150 dev_err(codec->dev, "Failed to create keyclick file: %d\n",
1155 static void cs42l56_free_beep(struct snd_soc_codec *codec)
1157 struct cs42l56_private *cs42l56 = snd_soc_codec_get_drvdata(codec);
1159 device_remove_file(codec->dev, &dev_attr_beep);
1160 cancel_work_sync(&cs42l56->beep_work);
1161 cs42l56->beep = NULL;
1163 snd_soc_update_bits(codec, CS42L56_BEEP_TONE_CFG,
1164 CS42L56_BEEP_EN_MASK, 0);
1167 static int cs42l56_probe(struct snd_soc_codec *codec)
1169 cs42l56_init_beep(codec);
1171 cs42l56_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1176 static int cs42l56_remove(struct snd_soc_codec *codec)
1178 cs42l56_free_beep(codec);
1179 cs42l56_set_bias_level(codec, SND_SOC_BIAS_OFF);
1184 static struct snd_soc_codec_driver soc_codec_dev_cs42l56 = {
1185 .probe = cs42l56_probe,
1186 .remove = cs42l56_remove,
1187 .suspend = cs42l56_suspend,
1188 .resume = cs42l56_resume,
1189 .set_bias_level = cs42l56_set_bias_level,
1191 .dapm_widgets = cs42l56_dapm_widgets,
1192 .num_dapm_widgets = ARRAY_SIZE(cs42l56_dapm_widgets),
1193 .dapm_routes = cs42l56_audio_map,
1194 .num_dapm_routes = ARRAY_SIZE(cs42l56_audio_map),
1196 .controls = cs42l56_snd_controls,
1197 .num_controls = ARRAY_SIZE(cs42l56_snd_controls),
1200 static struct regmap_config cs42l56_regmap = {
1204 .max_register = CS42L56_MAX_REGISTER,
1205 .reg_defaults = cs42l56_reg_defaults,
1206 .num_reg_defaults = ARRAY_SIZE(cs42l56_reg_defaults),
1207 .readable_reg = cs42l56_readable_register,
1208 .volatile_reg = cs42l56_volatile_register,
1209 .cache_type = REGCACHE_RBTREE,
1212 static int cs42l56_handle_of_data(struct i2c_client *i2c_client,
1213 struct cs42l56_platform_data *pdata)
1215 struct device_node *np = i2c_client->dev.of_node;
1218 if (of_property_read_bool(np, "cirrus,ain1a-reference-cfg"))
1219 pdata->ain1a_ref_cfg = true;
1221 if (of_property_read_bool(np, "cirrus,ain2a-reference-cfg"))
1222 pdata->ain2a_ref_cfg = true;
1224 if (of_property_read_bool(np, "cirrus,ain1b-reference-cfg"))
1225 pdata->ain1b_ref_cfg = true;
1227 if (of_property_read_bool(np, "cirrus,ain2b-reference-cfg"))
1228 pdata->ain2b_ref_cfg = true;
1230 if (of_property_read_u32(np, "cirrus,micbias-lvl", &val32) >= 0)
1231 pdata->micbias_lvl = val32;
1233 if (of_property_read_u32(np, "cirrus,chgfreq-divisor", &val32) >= 0)
1234 pdata->chgfreq = val32;
1236 if (of_property_read_u32(np, "cirrus,adaptive-pwr-cfg", &val32) >= 0)
1237 pdata->adaptive_pwr = val32;
1239 if (of_property_read_u32(np, "cirrus,hpf-left-freq", &val32) >= 0)
1240 pdata->hpfa_freq = val32;
1242 if (of_property_read_u32(np, "cirrus,hpf-left-freq", &val32) >= 0)
1243 pdata->hpfb_freq = val32;
1245 pdata->gpio_nreset = of_get_named_gpio(np, "cirrus,gpio-nreset", 0);
1250 static int cs42l56_i2c_probe(struct i2c_client *i2c_client,
1251 const struct i2c_device_id *id)
1253 struct cs42l56_private *cs42l56;
1254 struct cs42l56_platform_data *pdata =
1255 dev_get_platdata(&i2c_client->dev);
1257 unsigned int devid = 0;
1258 unsigned int alpha_rev, metal_rev;
1261 cs42l56 = devm_kzalloc(&i2c_client->dev,
1262 sizeof(struct cs42l56_private),
1264 if (cs42l56 == NULL)
1266 cs42l56->dev = &i2c_client->dev;
1268 cs42l56->regmap = devm_regmap_init_i2c(i2c_client, &cs42l56_regmap);
1269 if (IS_ERR(cs42l56->regmap)) {
1270 ret = PTR_ERR(cs42l56->regmap);
1271 dev_err(&i2c_client->dev, "regmap_init() failed: %d\n", ret);
1276 cs42l56->pdata = *pdata;
1278 pdata = devm_kzalloc(&i2c_client->dev,
1279 sizeof(struct cs42l56_platform_data),
1282 dev_err(&i2c_client->dev,
1283 "could not allocate pdata\n");
1286 if (i2c_client->dev.of_node) {
1287 ret = cs42l56_handle_of_data(i2c_client,
1292 cs42l56->pdata = *pdata;
1295 if (cs42l56->pdata.gpio_nreset) {
1296 ret = gpio_request_one(cs42l56->pdata.gpio_nreset,
1297 GPIOF_OUT_INIT_HIGH, "CS42L56 /RST");
1299 dev_err(&i2c_client->dev,
1300 "Failed to request /RST %d: %d\n",
1301 cs42l56->pdata.gpio_nreset, ret);
1304 gpio_set_value_cansleep(cs42l56->pdata.gpio_nreset, 0);
1305 gpio_set_value_cansleep(cs42l56->pdata.gpio_nreset, 1);
1309 i2c_set_clientdata(i2c_client, cs42l56);
1311 for (i = 0; i < ARRAY_SIZE(cs42l56->supplies); i++)
1312 cs42l56->supplies[i].supply = cs42l56_supply_names[i];
1314 ret = devm_regulator_bulk_get(&i2c_client->dev,
1315 ARRAY_SIZE(cs42l56->supplies),
1318 dev_err(&i2c_client->dev,
1319 "Failed to request supplies: %d\n", ret);
1323 ret = regulator_bulk_enable(ARRAY_SIZE(cs42l56->supplies),
1326 dev_err(&i2c_client->dev,
1327 "Failed to enable supplies: %d\n", ret);
1331 regcache_cache_bypass(cs42l56->regmap, true);
1333 ret = regmap_read(cs42l56->regmap, CS42L56_CHIP_ID_1, ®);
1334 devid = reg & CS42L56_CHIP_ID_MASK;
1335 if (devid != CS42L56_DEVID) {
1336 dev_err(&i2c_client->dev,
1337 "CS42L56 Device ID (%X). Expected %X\n",
1338 devid, CS42L56_DEVID);
1341 alpha_rev = reg & CS42L56_AREV_MASK;
1342 metal_rev = reg & CS42L56_MTLREV_MASK;
1344 dev_info(&i2c_client->dev, "Cirrus Logic CS42L56 ");
1345 dev_info(&i2c_client->dev, "Alpha Rev %X Metal Rev %X\n",
1346 alpha_rev, metal_rev);
1348 regcache_cache_bypass(cs42l56->regmap, false);
1350 if (cs42l56->pdata.ain1a_ref_cfg)
1351 regmap_update_bits(cs42l56->regmap, CS42L56_AIN_REFCFG_ADC_MUX,
1352 CS42L56_AIN1A_REF_MASK, 1);
1354 if (cs42l56->pdata.ain1b_ref_cfg)
1355 regmap_update_bits(cs42l56->regmap, CS42L56_AIN_REFCFG_ADC_MUX,
1356 CS42L56_AIN1B_REF_MASK, 1);
1358 if (cs42l56->pdata.ain2a_ref_cfg)
1359 regmap_update_bits(cs42l56->regmap, CS42L56_AIN_REFCFG_ADC_MUX,
1360 CS42L56_AIN2A_REF_MASK, 1);
1362 if (cs42l56->pdata.ain2b_ref_cfg)
1363 regmap_update_bits(cs42l56->regmap, CS42L56_AIN_REFCFG_ADC_MUX,
1364 CS42L56_AIN2B_REF_MASK, 1);
1366 if (cs42l56->pdata.micbias_lvl)
1367 regmap_update_bits(cs42l56->regmap, CS42L56_GAIN_BIAS_CTL,
1368 CS42L56_MIC_BIAS_MASK,
1369 cs42l56->pdata.micbias_lvl);
1371 if (cs42l56->pdata.chgfreq)
1372 regmap_update_bits(cs42l56->regmap, CS42L56_CLASSH_CTL,
1373 CS42L56_CHRG_FREQ_MASK,
1374 cs42l56->pdata.chgfreq);
1376 if (cs42l56->pdata.hpfb_freq)
1377 regmap_update_bits(cs42l56->regmap, CS42L56_HPF_CTL,
1378 CS42L56_HPFB_FREQ_MASK,
1379 cs42l56->pdata.hpfb_freq);
1381 if (cs42l56->pdata.hpfa_freq)
1382 regmap_update_bits(cs42l56->regmap, CS42L56_HPF_CTL,
1383 CS42L56_HPFA_FREQ_MASK,
1384 cs42l56->pdata.hpfa_freq);
1386 if (cs42l56->pdata.adaptive_pwr)
1387 regmap_update_bits(cs42l56->regmap, CS42L56_CLASSH_CTL,
1388 CS42L56_ADAPT_PWR_MASK,
1389 cs42l56->pdata.adaptive_pwr);
1391 ret = snd_soc_register_codec(&i2c_client->dev,
1392 &soc_codec_dev_cs42l56, &cs42l56_dai, 1);
1399 regulator_bulk_disable(ARRAY_SIZE(cs42l56->supplies),
1404 static int cs42l56_i2c_remove(struct i2c_client *client)
1406 struct cs42l56_private *cs42l56 = i2c_get_clientdata(client);
1408 snd_soc_unregister_codec(&client->dev);
1409 regulator_bulk_disable(ARRAY_SIZE(cs42l56->supplies),
1414 static const struct of_device_id cs42l56_of_match[] = {
1415 { .compatible = "cirrus,cs42l56", },
1418 MODULE_DEVICE_TABLE(of, cs42l56_of_match);
1421 static const struct i2c_device_id cs42l56_id[] = {
1425 MODULE_DEVICE_TABLE(i2c, cs42l56_id);
1427 static struct i2c_driver cs42l56_i2c_driver = {
1430 .owner = THIS_MODULE,
1431 .of_match_table = cs42l56_of_match,
1433 .id_table = cs42l56_id,
1434 .probe = cs42l56_i2c_probe,
1435 .remove = cs42l56_i2c_remove,
1438 module_i2c_driver(cs42l56_i2c_driver);
1440 MODULE_DESCRIPTION("ASoC CS42L56 driver");
1441 MODULE_AUTHOR("Brian Austin, Cirrus Logic Inc, <brian.austin@cirrus.com>");
1442 MODULE_LICENSE("GPL");