1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * cs42l56.c -- CS42L56 ALSA SoC audio driver
4 *
5 * Copyright 2014 CirrusLogic, Inc.
6 *
7 * Author: Brian Austin <brian.austin@cirrus.com>
8 */
9
10 #include <linux/delay.h>
11 #include <linux/gpio/consumer.h>
12 #include <linux/i2c.h>
13 #include <linux/init.h>
14 #include <linux/input.h>
15 #include <linux/kernel.h>
16 #include <linux/module.h>
17 #include <linux/moduleparam.h>
18 #include <linux/of.h>
19 #include <linux/platform_device.h>
20 #include <linux/pm.h>
21 #include <linux/regmap.h>
22 #include <linux/regulator/consumer.h>
23 #include <linux/slab.h>
24 #include <linux/workqueue.h>
25 #include <sound/core.h>
26 #include <sound/initval.h>
27 #include <sound/pcm.h>
28 #include <sound/pcm_params.h>
29 #include <sound/soc.h>
30 #include <sound/soc-dapm.h>
31 #include <sound/tlv.h>
32 #include "cs42l56.h"
33
34 #define CS42L56_NUM_SUPPLIES 3
35
36 struct cs42l56_platform_data {
37 /* GPIO for Reset */
38 struct gpio_desc *gpio_nreset;
39
40 /* MICBIAS Level. Check datasheet Pg48 */
41 unsigned int micbias_lvl;
42
43 /* Analog Input 1A Reference 0=Single 1=Pseudo-Differential */
44 unsigned int ain1a_ref_cfg;
45
46 /* Analog Input 2A Reference 0=Single 1=Pseudo-Differential */
47 unsigned int ain2a_ref_cfg;
48
49 /* Analog Input 1B Reference 0=Single 1=Pseudo-Differential */
50 unsigned int ain1b_ref_cfg;
51
52 /* Analog Input 2B Reference 0=Single 1=Pseudo-Differential */
53 unsigned int ain2b_ref_cfg;
54
55 /* Charge Pump Freq. Check datasheet Pg62 */
56 unsigned int chgfreq;
57
58 /* HighPass Filter Right Channel Corner Frequency */
59 unsigned int hpfb_freq;
60
61 /* HighPass Filter Left Channel Corner Frequency */
62 unsigned int hpfa_freq;
63
64 /* Adaptive Power Control for LO/HP */
65 unsigned int adaptive_pwr;
66 };
67
68 static const char *const cs42l56_supply_names[CS42L56_NUM_SUPPLIES] = {
69 "VA",
70 "VCP",
71 "VLDO",
72 };
73
74 struct cs42l56_private {
75 struct regmap *regmap;
76 struct snd_soc_component *component;
77 struct device *dev;
78 struct cs42l56_platform_data pdata;
79 struct regulator_bulk_data supplies[CS42L56_NUM_SUPPLIES];
80 u32 mclk;
81 u8 mclk_prediv;
82 u8 mclk_div2;
83 u8 mclk_ratio;
84 u8 iface;
85 u8 iface_fmt;
86 u8 iface_inv;
87 #if IS_ENABLED(CONFIG_INPUT)
88 struct input_dev *beep;
89 struct work_struct beep_work;
90 int beep_rate;
91 #endif
92 };
93
94 static const struct reg_default cs42l56_reg_defaults[] = {
95 { 3, 0x7f }, /* r03 - Power Ctl 1 */
96 { 4, 0xff }, /* r04 - Power Ctl 2 */
97 { 5, 0x00 }, /* ro5 - Clocking Ctl 1 */
98 { 6, 0x0b }, /* r06 - Clocking Ctl 2 */
99 { 7, 0x00 }, /* r07 - Serial Format */
100 { 8, 0x05 }, /* r08 - Class H Ctl */
101 { 9, 0x0c }, /* r09 - Misc Ctl */
102 { 10, 0x80 }, /* r0a - INT Status */
103 { 11, 0x00 }, /* r0b - Playback Ctl */
104 { 12, 0x0c }, /* r0c - DSP Mute Ctl */
105 { 13, 0x00 }, /* r0d - ADCA Mixer Volume */
106 { 14, 0x00 }, /* r0e - ADCB Mixer Volume */
107 { 15, 0x00 }, /* r0f - PCMA Mixer Volume */
108 { 16, 0x00 }, /* r10 - PCMB Mixer Volume */
109 { 17, 0x00 }, /* r11 - Analog Input Advisory Volume */
110 { 18, 0x00 }, /* r12 - Digital Input Advisory Volume */
111 { 19, 0x00 }, /* r13 - Master A Volume */
112 { 20, 0x00 }, /* r14 - Master B Volume */
113 { 21, 0x00 }, /* r15 - Beep Freq / On Time */
114 { 22, 0x00 }, /* r16 - Beep Volume / Off Time */
115 { 23, 0x00 }, /* r17 - Beep Tone Ctl */
116 { 24, 0x88 }, /* r18 - Tone Ctl */
117 { 25, 0x00 }, /* r19 - Channel Mixer & Swap */
118 { 26, 0x00 }, /* r1a - AIN Ref Config / ADC Mux */
119 { 27, 0xa0 }, /* r1b - High-Pass Filter Ctl */
120 { 28, 0x00 }, /* r1c - Misc ADC Ctl */
121 { 29, 0x00 }, /* r1d - Gain & Bias Ctl */
122 { 30, 0x00 }, /* r1e - PGAA Mux & Volume */
123 { 31, 0x00 }, /* r1f - PGAB Mux & Volume */
124 { 32, 0x00 }, /* r20 - ADCA Attenuator */
125 { 33, 0x00 }, /* r21 - ADCB Attenuator */
126 { 34, 0x00 }, /* r22 - ALC Enable & Attack Rate */
127 { 35, 0xbf }, /* r23 - ALC Release Rate */
128 { 36, 0x00 }, /* r24 - ALC Threshold */
129 { 37, 0x00 }, /* r25 - Noise Gate Ctl */
130 { 38, 0x00 }, /* r26 - ALC, Limiter, SFT, ZeroCross */
131 { 39, 0x00 }, /* r27 - Analog Mute, LO & HP Mux */
132 { 40, 0x00 }, /* r28 - HP A Volume */
133 { 41, 0x00 }, /* r29 - HP B Volume */
134 { 42, 0x00 }, /* r2a - LINEOUT A Volume */
135 { 43, 0x00 }, /* r2b - LINEOUT B Volume */
136 { 44, 0x00 }, /* r2c - Limit Threshold Ctl */
137 { 45, 0x7f }, /* r2d - Limiter Ctl & Release Rate */
138 { 46, 0x00 }, /* r2e - Limiter Attack Rate */
139 };
140
cs42l56_readable_register(struct device * dev,unsigned int reg)141 static bool cs42l56_readable_register(struct device *dev, unsigned int reg)
142 {
143 switch (reg) {
144 case CS42L56_CHIP_ID_1 ... CS42L56_LIM_ATTACK_RATE:
145 return true;
146 default:
147 return false;
148 }
149 }
150
cs42l56_volatile_register(struct device * dev,unsigned int reg)151 static bool cs42l56_volatile_register(struct device *dev, unsigned int reg)
152 {
153 switch (reg) {
154 case CS42L56_INT_STATUS:
155 return true;
156 default:
157 return false;
158 }
159 }
160
161 static DECLARE_TLV_DB_SCALE(beep_tlv, -5000, 200, 0);
162 static DECLARE_TLV_DB_SCALE(hl_tlv, -6000, 50, 0);
163 static DECLARE_TLV_DB_SCALE(adv_tlv, -10200, 50, 0);
164 static DECLARE_TLV_DB_SCALE(adc_tlv, -9600, 100, 0);
165 static DECLARE_TLV_DB_SCALE(tone_tlv, -1050, 150, 0);
166 static DECLARE_TLV_DB_SCALE(preamp_tlv, 0, 1000, 0);
167 static DECLARE_TLV_DB_SCALE(pga_tlv, -600, 50, 0);
168
169 static const DECLARE_TLV_DB_RANGE(ngnb_tlv,
170 0, 1, TLV_DB_SCALE_ITEM(-8200, 600, 0),
171 2, 5, TLV_DB_SCALE_ITEM(-7600, 300, 0)
172 );
173 static const DECLARE_TLV_DB_RANGE(ngb_tlv,
174 0, 2, TLV_DB_SCALE_ITEM(-6400, 600, 0),
175 3, 7, TLV_DB_SCALE_ITEM(-4600, 300, 0)
176 );
177 static const DECLARE_TLV_DB_RANGE(alc_tlv,
178 0, 2, TLV_DB_SCALE_ITEM(-3000, 600, 0),
179 3, 7, TLV_DB_SCALE_ITEM(-1200, 300, 0)
180 );
181
182 static const char * const beep_config_text[] = {
183 "Off", "Single", "Multiple", "Continuous"
184 };
185
186 static const struct soc_enum beep_config_enum =
187 SOC_ENUM_SINGLE(CS42L56_BEEP_TONE_CFG, 6,
188 ARRAY_SIZE(beep_config_text), beep_config_text);
189
190 static const char * const beep_pitch_text[] = {
191 "C4", "C5", "D5", "E5", "F5", "G5", "A5", "B5",
192 "C6", "D6", "E6", "F6", "G6", "A6", "B6", "C7"
193 };
194
195 static const struct soc_enum beep_pitch_enum =
196 SOC_ENUM_SINGLE(CS42L56_BEEP_FREQ_ONTIME, 4,
197 ARRAY_SIZE(beep_pitch_text), beep_pitch_text);
198
199 static const char * const beep_ontime_text[] = {
200 "86 ms", "430 ms", "780 ms", "1.20 s", "1.50 s",
201 "1.80 s", "2.20 s", "2.50 s", "2.80 s", "3.20 s",
202 "3.50 s", "3.80 s", "4.20 s", "4.50 s", "4.80 s", "5.20 s"
203 };
204
205 static const struct soc_enum beep_ontime_enum =
206 SOC_ENUM_SINGLE(CS42L56_BEEP_FREQ_ONTIME, 0,
207 ARRAY_SIZE(beep_ontime_text), beep_ontime_text);
208
209 static const char * const beep_offtime_text[] = {
210 "1.23 s", "2.58 s", "3.90 s", "5.20 s",
211 "6.60 s", "8.05 s", "9.35 s", "10.80 s"
212 };
213
214 static const struct soc_enum beep_offtime_enum =
215 SOC_ENUM_SINGLE(CS42L56_BEEP_FREQ_OFFTIME, 5,
216 ARRAY_SIZE(beep_offtime_text), beep_offtime_text);
217
218 static const char * const beep_treble_text[] = {
219 "5kHz", "7kHz", "10kHz", "15kHz"
220 };
221
222 static const struct soc_enum beep_treble_enum =
223 SOC_ENUM_SINGLE(CS42L56_BEEP_TONE_CFG, 3,
224 ARRAY_SIZE(beep_treble_text), beep_treble_text);
225
226 static const char * const beep_bass_text[] = {
227 "50Hz", "100Hz", "200Hz", "250Hz"
228 };
229
230 static const struct soc_enum beep_bass_enum =
231 SOC_ENUM_SINGLE(CS42L56_BEEP_TONE_CFG, 1,
232 ARRAY_SIZE(beep_bass_text), beep_bass_text);
233
234 static const char * const pgaa_mux_text[] = {
235 "AIN1A", "AIN2A", "AIN3A"};
236
237 static const struct soc_enum pgaa_mux_enum =
238 SOC_ENUM_SINGLE(CS42L56_PGAA_MUX_VOLUME, 0,
239 ARRAY_SIZE(pgaa_mux_text),
240 pgaa_mux_text);
241
242 static const struct snd_kcontrol_new pgaa_mux =
243 SOC_DAPM_ENUM("Route", pgaa_mux_enum);
244
245 static const char * const pgab_mux_text[] = {
246 "AIN1B", "AIN2B", "AIN3B"};
247
248 static const struct soc_enum pgab_mux_enum =
249 SOC_ENUM_SINGLE(CS42L56_PGAB_MUX_VOLUME, 0,
250 ARRAY_SIZE(pgab_mux_text),
251 pgab_mux_text);
252
253 static const struct snd_kcontrol_new pgab_mux =
254 SOC_DAPM_ENUM("Route", pgab_mux_enum);
255
256 static const char * const adca_mux_text[] = {
257 "PGAA", "AIN1A", "AIN2A", "AIN3A"};
258
259 static const struct soc_enum adca_mux_enum =
260 SOC_ENUM_SINGLE(CS42L56_AIN_REFCFG_ADC_MUX, 0,
261 ARRAY_SIZE(adca_mux_text),
262 adca_mux_text);
263
264 static const struct snd_kcontrol_new adca_mux =
265 SOC_DAPM_ENUM("Route", adca_mux_enum);
266
267 static const char * const adcb_mux_text[] = {
268 "PGAB", "AIN1B", "AIN2B", "AIN3B"};
269
270 static const struct soc_enum adcb_mux_enum =
271 SOC_ENUM_SINGLE(CS42L56_AIN_REFCFG_ADC_MUX, 2,
272 ARRAY_SIZE(adcb_mux_text),
273 adcb_mux_text);
274
275 static const struct snd_kcontrol_new adcb_mux =
276 SOC_DAPM_ENUM("Route", adcb_mux_enum);
277
278 static const char * const left_swap_text[] = {
279 "Left", "LR 2", "Right"};
280
281 static const char * const right_swap_text[] = {
282 "Right", "LR 2", "Left"};
283
284 static const unsigned int swap_values[] = { 0, 1, 3 };
285
286 static const struct soc_enum adca_swap_enum =
287 SOC_VALUE_ENUM_SINGLE(CS42L56_CHAN_MIX_SWAP, 0, 3,
288 ARRAY_SIZE(left_swap_text),
289 left_swap_text,
290 swap_values);
291 static const struct snd_kcontrol_new adca_swap_mux =
292 SOC_DAPM_ENUM("Route", adca_swap_enum);
293
294 static const struct soc_enum pcma_swap_enum =
295 SOC_VALUE_ENUM_SINGLE(CS42L56_CHAN_MIX_SWAP, 4, 3,
296 ARRAY_SIZE(left_swap_text),
297 left_swap_text,
298 swap_values);
299 static const struct snd_kcontrol_new pcma_swap_mux =
300 SOC_DAPM_ENUM("Route", pcma_swap_enum);
301
302 static const struct soc_enum adcb_swap_enum =
303 SOC_VALUE_ENUM_SINGLE(CS42L56_CHAN_MIX_SWAP, 2, 3,
304 ARRAY_SIZE(right_swap_text),
305 right_swap_text,
306 swap_values);
307 static const struct snd_kcontrol_new adcb_swap_mux =
308 SOC_DAPM_ENUM("Route", adcb_swap_enum);
309
310 static const struct soc_enum pcmb_swap_enum =
311 SOC_VALUE_ENUM_SINGLE(CS42L56_CHAN_MIX_SWAP, 6, 3,
312 ARRAY_SIZE(right_swap_text),
313 right_swap_text,
314 swap_values);
315 static const struct snd_kcontrol_new pcmb_swap_mux =
316 SOC_DAPM_ENUM("Route", pcmb_swap_enum);
317
318 static const struct snd_kcontrol_new hpa_switch =
319 SOC_DAPM_SINGLE("Switch", CS42L56_PWRCTL_2, 6, 1, 1);
320
321 static const struct snd_kcontrol_new hpb_switch =
322 SOC_DAPM_SINGLE("Switch", CS42L56_PWRCTL_2, 4, 1, 1);
323
324 static const struct snd_kcontrol_new loa_switch =
325 SOC_DAPM_SINGLE("Switch", CS42L56_PWRCTL_2, 2, 1, 1);
326
327 static const struct snd_kcontrol_new lob_switch =
328 SOC_DAPM_SINGLE("Switch", CS42L56_PWRCTL_2, 0, 1, 1);
329
330 static const char * const hploa_input_text[] = {
331 "DACA", "PGAA"};
332
333 static const struct soc_enum lineouta_input_enum =
334 SOC_ENUM_SINGLE(CS42L56_AMUTE_HPLO_MUX, 2,
335 ARRAY_SIZE(hploa_input_text),
336 hploa_input_text);
337
338 static const struct snd_kcontrol_new lineouta_input =
339 SOC_DAPM_ENUM("Route", lineouta_input_enum);
340
341 static const struct soc_enum hpa_input_enum =
342 SOC_ENUM_SINGLE(CS42L56_AMUTE_HPLO_MUX, 0,
343 ARRAY_SIZE(hploa_input_text),
344 hploa_input_text);
345
346 static const struct snd_kcontrol_new hpa_input =
347 SOC_DAPM_ENUM("Route", hpa_input_enum);
348
349 static const char * const hplob_input_text[] = {
350 "DACB", "PGAB"};
351
352 static const struct soc_enum lineoutb_input_enum =
353 SOC_ENUM_SINGLE(CS42L56_AMUTE_HPLO_MUX, 3,
354 ARRAY_SIZE(hplob_input_text),
355 hplob_input_text);
356
357 static const struct snd_kcontrol_new lineoutb_input =
358 SOC_DAPM_ENUM("Route", lineoutb_input_enum);
359
360 static const struct soc_enum hpb_input_enum =
361 SOC_ENUM_SINGLE(CS42L56_AMUTE_HPLO_MUX, 1,
362 ARRAY_SIZE(hplob_input_text),
363 hplob_input_text);
364
365 static const struct snd_kcontrol_new hpb_input =
366 SOC_DAPM_ENUM("Route", hpb_input_enum);
367
368 static const char * const dig_mux_text[] = {
369 "ADC", "DSP"};
370
371 static const struct soc_enum dig_mux_enum =
372 SOC_ENUM_SINGLE(CS42L56_MISC_CTL, 7,
373 ARRAY_SIZE(dig_mux_text),
374 dig_mux_text);
375
376 static const struct snd_kcontrol_new dig_mux =
377 SOC_DAPM_ENUM("Route", dig_mux_enum);
378
379 static const char * const hpf_freq_text[] = {
380 "1.8Hz", "119Hz", "236Hz", "464Hz"
381 };
382
383 static const struct soc_enum hpfa_freq_enum =
384 SOC_ENUM_SINGLE(CS42L56_HPF_CTL, 0,
385 ARRAY_SIZE(hpf_freq_text), hpf_freq_text);
386
387 static const struct soc_enum hpfb_freq_enum =
388 SOC_ENUM_SINGLE(CS42L56_HPF_CTL, 2,
389 ARRAY_SIZE(hpf_freq_text), hpf_freq_text);
390
391 static const char * const ng_delay_text[] = {
392 "50ms", "100ms", "150ms", "200ms"
393 };
394
395 static const struct soc_enum ng_delay_enum =
396 SOC_ENUM_SINGLE(CS42L56_NOISE_GATE_CTL, 0,
397 ARRAY_SIZE(ng_delay_text), ng_delay_text);
398
399 static const struct snd_kcontrol_new cs42l56_snd_controls[] = {
400
401 SOC_DOUBLE_R_SX_TLV("Master Volume", CS42L56_MASTER_A_VOLUME,
402 CS42L56_MASTER_B_VOLUME, 0, 0x34, 0xE4, adv_tlv),
403 SOC_DOUBLE("Master Mute Switch", CS42L56_DSP_MUTE_CTL, 0, 1, 1, 1),
404
405 SOC_DOUBLE_R_SX_TLV("ADC Mixer Volume", CS42L56_ADCA_MIX_VOLUME,
406 CS42L56_ADCB_MIX_VOLUME, 0, 0x88, 0x90, hl_tlv),
407 SOC_DOUBLE("ADC Mixer Mute Switch", CS42L56_DSP_MUTE_CTL, 6, 7, 1, 1),
408
409 SOC_DOUBLE_R_SX_TLV("PCM Mixer Volume", CS42L56_PCMA_MIX_VOLUME,
410 CS42L56_PCMB_MIX_VOLUME, 0, 0x88, 0x90, hl_tlv),
411 SOC_DOUBLE("PCM Mixer Mute Switch", CS42L56_DSP_MUTE_CTL, 4, 5, 1, 1),
412
413 SOC_SINGLE_TLV("Analog Advisory Volume",
414 CS42L56_ANAINPUT_ADV_VOLUME, 0, 0x00, 1, adv_tlv),
415 SOC_SINGLE_TLV("Digital Advisory Volume",
416 CS42L56_DIGINPUT_ADV_VOLUME, 0, 0x00, 1, adv_tlv),
417
418 SOC_DOUBLE_R_SX_TLV("PGA Volume", CS42L56_PGAA_MUX_VOLUME,
419 CS42L56_PGAB_MUX_VOLUME, 0, 0x34, 0x24, pga_tlv),
420 SOC_DOUBLE_R_TLV("ADC Volume", CS42L56_ADCA_ATTENUATOR,
421 CS42L56_ADCB_ATTENUATOR, 0, 0x00, 1, adc_tlv),
422 SOC_DOUBLE("ADC Mute Switch", CS42L56_MISC_ADC_CTL, 2, 3, 1, 1),
423 SOC_DOUBLE("ADC Boost Switch", CS42L56_GAIN_BIAS_CTL, 3, 2, 1, 1),
424
425 SOC_DOUBLE_R_SX_TLV("Headphone Volume", CS42L56_HPA_VOLUME,
426 CS42L56_HPB_VOLUME, 0, 0x44, 0x48, hl_tlv),
427 SOC_DOUBLE_R_SX_TLV("LineOut Volume", CS42L56_LOA_VOLUME,
428 CS42L56_LOB_VOLUME, 0, 0x44, 0x48, hl_tlv),
429
430 SOC_SINGLE_TLV("Bass Shelving Volume", CS42L56_TONE_CTL,
431 0, 0x00, 1, tone_tlv),
432 SOC_SINGLE_TLV("Treble Shelving Volume", CS42L56_TONE_CTL,
433 4, 0x00, 1, tone_tlv),
434
435 SOC_DOUBLE_TLV("PGA Preamp Volume", CS42L56_GAIN_BIAS_CTL,
436 4, 6, 0x02, 1, preamp_tlv),
437
438 SOC_SINGLE("DSP Switch", CS42L56_PLAYBACK_CTL, 7, 1, 1),
439 SOC_SINGLE("Gang Playback Switch", CS42L56_PLAYBACK_CTL, 4, 1, 1),
440 SOC_SINGLE("Gang ADC Switch", CS42L56_MISC_ADC_CTL, 7, 1, 1),
441 SOC_SINGLE("Gang PGA Switch", CS42L56_MISC_ADC_CTL, 6, 1, 1),
442
443 SOC_SINGLE("PCMA Invert", CS42L56_PLAYBACK_CTL, 2, 1, 1),
444 SOC_SINGLE("PCMB Invert", CS42L56_PLAYBACK_CTL, 3, 1, 1),
445 SOC_SINGLE("ADCA Invert", CS42L56_MISC_ADC_CTL, 2, 1, 1),
446 SOC_SINGLE("ADCB Invert", CS42L56_MISC_ADC_CTL, 3, 1, 1),
447
448 SOC_DOUBLE("HPF Switch", CS42L56_HPF_CTL, 5, 7, 1, 1),
449 SOC_DOUBLE("HPF Freeze Switch", CS42L56_HPF_CTL, 4, 6, 1, 1),
450 SOC_ENUM("HPFA Corner Freq", hpfa_freq_enum),
451 SOC_ENUM("HPFB Corner Freq", hpfb_freq_enum),
452
453 SOC_SINGLE("Analog Soft Ramp", CS42L56_MISC_CTL, 4, 1, 1),
454 SOC_DOUBLE("Analog Soft Ramp Disable", CS42L56_ALC_LIM_SFT_ZC,
455 7, 5, 1, 1),
456 SOC_SINGLE("Analog Zero Cross", CS42L56_MISC_CTL, 3, 1, 1),
457 SOC_DOUBLE("Analog Zero Cross Disable", CS42L56_ALC_LIM_SFT_ZC,
458 6, 4, 1, 1),
459 SOC_SINGLE("Digital Soft Ramp", CS42L56_MISC_CTL, 2, 1, 1),
460 SOC_SINGLE("Digital Soft Ramp Disable", CS42L56_ALC_LIM_SFT_ZC,
461 3, 1, 1),
462
463 SOC_SINGLE("HL Deemphasis", CS42L56_PLAYBACK_CTL, 6, 1, 1),
464
465 SOC_SINGLE("ALC Switch", CS42L56_ALC_EN_ATTACK_RATE, 6, 1, 1),
466 SOC_SINGLE("ALC Limit All Switch", CS42L56_ALC_RELEASE_RATE, 7, 1, 1),
467 SOC_SINGLE_RANGE("ALC Attack", CS42L56_ALC_EN_ATTACK_RATE,
468 0, 0, 0x3f, 0),
469 SOC_SINGLE_RANGE("ALC Release", CS42L56_ALC_RELEASE_RATE,
470 0, 0x3f, 0, 0),
471 SOC_SINGLE_TLV("ALC MAX", CS42L56_ALC_THRESHOLD,
472 5, 0x07, 1, alc_tlv),
473 SOC_SINGLE_TLV("ALC MIN", CS42L56_ALC_THRESHOLD,
474 2, 0x07, 1, alc_tlv),
475
476 SOC_SINGLE("Limiter Switch", CS42L56_LIM_CTL_RELEASE_RATE, 7, 1, 1),
477 SOC_SINGLE("Limit All Switch", CS42L56_LIM_CTL_RELEASE_RATE, 6, 1, 1),
478 SOC_SINGLE_RANGE("Limiter Attack", CS42L56_LIM_ATTACK_RATE,
479 0, 0, 0x3f, 0),
480 SOC_SINGLE_RANGE("Limiter Release", CS42L56_LIM_CTL_RELEASE_RATE,
481 0, 0x3f, 0, 0),
482 SOC_SINGLE_TLV("Limiter MAX", CS42L56_LIM_THRESHOLD_CTL,
483 5, 0x07, 1, alc_tlv),
484 SOC_SINGLE_TLV("Limiter Cushion", CS42L56_ALC_THRESHOLD,
485 2, 0x07, 1, alc_tlv),
486
487 SOC_SINGLE("NG Switch", CS42L56_NOISE_GATE_CTL, 6, 1, 1),
488 SOC_SINGLE("NG All Switch", CS42L56_NOISE_GATE_CTL, 7, 1, 1),
489 SOC_SINGLE("NG Boost Switch", CS42L56_NOISE_GATE_CTL, 5, 1, 1),
490 SOC_SINGLE_TLV("NG Unboost Threshold", CS42L56_NOISE_GATE_CTL,
491 2, 0x07, 1, ngnb_tlv),
492 SOC_SINGLE_TLV("NG Boost Threshold", CS42L56_NOISE_GATE_CTL,
493 2, 0x07, 1, ngb_tlv),
494 SOC_ENUM("NG Delay", ng_delay_enum),
495
496 SOC_ENUM("Beep Config", beep_config_enum),
497 SOC_ENUM("Beep Pitch", beep_pitch_enum),
498 SOC_ENUM("Beep on Time", beep_ontime_enum),
499 SOC_ENUM("Beep off Time", beep_offtime_enum),
500 SOC_SINGLE_SX_TLV("Beep Volume", CS42L56_BEEP_FREQ_OFFTIME,
501 0, 0x07, 0x23, beep_tlv),
502 SOC_SINGLE("Beep Tone Ctl Switch", CS42L56_BEEP_TONE_CFG, 0, 1, 1),
503 SOC_ENUM("Beep Treble Corner Freq", beep_treble_enum),
504 SOC_ENUM("Beep Bass Corner Freq", beep_bass_enum),
505
506 };
507
508 static const struct snd_soc_dapm_widget cs42l56_dapm_widgets[] = {
509
510 SND_SOC_DAPM_SIGGEN("Beep"),
511 SND_SOC_DAPM_SUPPLY("VBUF", CS42L56_PWRCTL_1, 5, 1, NULL, 0),
512 SND_SOC_DAPM_MICBIAS("MIC1 Bias", CS42L56_PWRCTL_1, 4, 1),
513 SND_SOC_DAPM_SUPPLY("Charge Pump", CS42L56_PWRCTL_1, 3, 1, NULL, 0),
514
515 SND_SOC_DAPM_INPUT("AIN1A"),
516 SND_SOC_DAPM_INPUT("AIN2A"),
517 SND_SOC_DAPM_INPUT("AIN1B"),
518 SND_SOC_DAPM_INPUT("AIN2B"),
519 SND_SOC_DAPM_INPUT("AIN3A"),
520 SND_SOC_DAPM_INPUT("AIN3B"),
521
522 SND_SOC_DAPM_AIF_OUT("SDOUT", NULL, 0,
523 SND_SOC_NOPM, 0, 0),
524
525 SND_SOC_DAPM_AIF_IN("SDIN", NULL, 0,
526 SND_SOC_NOPM, 0, 0),
527
528 SND_SOC_DAPM_MUX("Digital Output Mux", SND_SOC_NOPM,
529 0, 0, &dig_mux),
530
531 SND_SOC_DAPM_PGA("PGAA", SND_SOC_NOPM, 0, 0, NULL, 0),
532 SND_SOC_DAPM_PGA("PGAB", SND_SOC_NOPM, 0, 0, NULL, 0),
533 SND_SOC_DAPM_MUX("PGAA Input Mux",
534 SND_SOC_NOPM, 0, 0, &pgaa_mux),
535 SND_SOC_DAPM_MUX("PGAB Input Mux",
536 SND_SOC_NOPM, 0, 0, &pgab_mux),
537
538 SND_SOC_DAPM_MUX("ADCA Mux", SND_SOC_NOPM,
539 0, 0, &adca_mux),
540 SND_SOC_DAPM_MUX("ADCB Mux", SND_SOC_NOPM,
541 0, 0, &adcb_mux),
542
543 SND_SOC_DAPM_ADC("ADCA", NULL, CS42L56_PWRCTL_1, 1, 1),
544 SND_SOC_DAPM_ADC("ADCB", NULL, CS42L56_PWRCTL_1, 2, 1),
545
546 SND_SOC_DAPM_MUX("ADCA Swap Mux", SND_SOC_NOPM, 0, 0,
547 &adca_swap_mux),
548 SND_SOC_DAPM_MUX("ADCB Swap Mux", SND_SOC_NOPM, 0, 0,
549 &adcb_swap_mux),
550
551 SND_SOC_DAPM_MUX("PCMA Swap Mux", SND_SOC_NOPM, 0, 0,
552 &pcma_swap_mux),
553 SND_SOC_DAPM_MUX("PCMB Swap Mux", SND_SOC_NOPM, 0, 0,
554 &pcmb_swap_mux),
555
556 SND_SOC_DAPM_DAC("DACA", NULL, SND_SOC_NOPM, 0, 0),
557 SND_SOC_DAPM_DAC("DACB", NULL, SND_SOC_NOPM, 0, 0),
558
559 SND_SOC_DAPM_OUTPUT("HPA"),
560 SND_SOC_DAPM_OUTPUT("LOA"),
561 SND_SOC_DAPM_OUTPUT("HPB"),
562 SND_SOC_DAPM_OUTPUT("LOB"),
563
564 SND_SOC_DAPM_SWITCH("Headphone Right",
565 CS42L56_PWRCTL_2, 4, 1, &hpb_switch),
566 SND_SOC_DAPM_SWITCH("Headphone Left",
567 CS42L56_PWRCTL_2, 6, 1, &hpa_switch),
568
569 SND_SOC_DAPM_SWITCH("Lineout Right",
570 CS42L56_PWRCTL_2, 0, 1, &lob_switch),
571 SND_SOC_DAPM_SWITCH("Lineout Left",
572 CS42L56_PWRCTL_2, 2, 1, &loa_switch),
573
574 SND_SOC_DAPM_MUX("LINEOUTA Input Mux", SND_SOC_NOPM,
575 0, 0, &lineouta_input),
576 SND_SOC_DAPM_MUX("LINEOUTB Input Mux", SND_SOC_NOPM,
577 0, 0, &lineoutb_input),
578 SND_SOC_DAPM_MUX("HPA Input Mux", SND_SOC_NOPM,
579 0, 0, &hpa_input),
580 SND_SOC_DAPM_MUX("HPB Input Mux", SND_SOC_NOPM,
581 0, 0, &hpb_input),
582
583 };
584
585 static const struct snd_soc_dapm_route cs42l56_audio_map[] = {
586
587 {"HiFi Capture", "DSP", "Digital Output Mux"},
588 {"HiFi Capture", "ADC", "Digital Output Mux"},
589
590 {"Digital Output Mux", NULL, "ADCA"},
591 {"Digital Output Mux", NULL, "ADCB"},
592
593 {"ADCB", NULL, "ADCB Swap Mux"},
594 {"ADCA", NULL, "ADCA Swap Mux"},
595
596 {"ADCA Swap Mux", NULL, "ADCA"},
597 {"ADCB Swap Mux", NULL, "ADCB"},
598
599 {"DACA", "Left", "ADCA Swap Mux"},
600 {"DACA", "LR 2", "ADCA Swap Mux"},
601 {"DACA", "Right", "ADCA Swap Mux"},
602
603 {"DACB", "Left", "ADCB Swap Mux"},
604 {"DACB", "LR 2", "ADCB Swap Mux"},
605 {"DACB", "Right", "ADCB Swap Mux"},
606
607 {"ADCA Mux", NULL, "AIN3A"},
608 {"ADCA Mux", NULL, "AIN2A"},
609 {"ADCA Mux", NULL, "AIN1A"},
610 {"ADCA Mux", NULL, "PGAA"},
611 {"ADCB Mux", NULL, "AIN3B"},
612 {"ADCB Mux", NULL, "AIN2B"},
613 {"ADCB Mux", NULL, "AIN1B"},
614 {"ADCB Mux", NULL, "PGAB"},
615
616 {"PGAA", "AIN1A", "PGAA Input Mux"},
617 {"PGAA", "AIN2A", "PGAA Input Mux"},
618 {"PGAA", "AIN3A", "PGAA Input Mux"},
619 {"PGAB", "AIN1B", "PGAB Input Mux"},
620 {"PGAB", "AIN2B", "PGAB Input Mux"},
621 {"PGAB", "AIN3B", "PGAB Input Mux"},
622
623 {"PGAA Input Mux", NULL, "AIN1A"},
624 {"PGAA Input Mux", NULL, "AIN2A"},
625 {"PGAA Input Mux", NULL, "AIN3A"},
626 {"PGAB Input Mux", NULL, "AIN1B"},
627 {"PGAB Input Mux", NULL, "AIN2B"},
628 {"PGAB Input Mux", NULL, "AIN3B"},
629
630 {"LOB", "Switch", "LINEOUTB Input Mux"},
631 {"LOA", "Switch", "LINEOUTA Input Mux"},
632
633 {"LINEOUTA Input Mux", "PGAA", "PGAA"},
634 {"LINEOUTB Input Mux", "PGAB", "PGAB"},
635 {"LINEOUTA Input Mux", "DACA", "DACA"},
636 {"LINEOUTB Input Mux", "DACB", "DACB"},
637
638 {"HPA", "Switch", "HPB Input Mux"},
639 {"HPB", "Switch", "HPA Input Mux"},
640
641 {"HPA Input Mux", "PGAA", "PGAA"},
642 {"HPB Input Mux", "PGAB", "PGAB"},
643 {"HPA Input Mux", "DACA", "DACA"},
644 {"HPB Input Mux", "DACB", "DACB"},
645
646 {"DACA", NULL, "PCMA Swap Mux"},
647 {"DACB", NULL, "PCMB Swap Mux"},
648
649 {"PCMB Swap Mux", "Left", "HiFi Playback"},
650 {"PCMB Swap Mux", "LR 2", "HiFi Playback"},
651 {"PCMB Swap Mux", "Right", "HiFi Playback"},
652
653 {"PCMA Swap Mux", "Left", "HiFi Playback"},
654 {"PCMA Swap Mux", "LR 2", "HiFi Playback"},
655 {"PCMA Swap Mux", "Right", "HiFi Playback"},
656
657 };
658
659 struct cs42l56_clk_para {
660 u32 mclk;
661 u32 srate;
662 u8 ratio;
663 };
664
665 static const struct cs42l56_clk_para clk_ratio_table[] = {
666 /* 8k */
667 { 6000000, 8000, CS42L56_MCLK_LRCLK_768 },
668 { 6144000, 8000, CS42L56_MCLK_LRCLK_750 },
669 { 12000000, 8000, CS42L56_MCLK_LRCLK_768 },
670 { 12288000, 8000, CS42L56_MCLK_LRCLK_750 },
671 { 24000000, 8000, CS42L56_MCLK_LRCLK_768 },
672 { 24576000, 8000, CS42L56_MCLK_LRCLK_750 },
673 /* 11.025k */
674 { 5644800, 11025, CS42L56_MCLK_LRCLK_512},
675 { 11289600, 11025, CS42L56_MCLK_LRCLK_512},
676 { 22579200, 11025, CS42L56_MCLK_LRCLK_512 },
677 /* 11.0294k */
678 { 6000000, 110294, CS42L56_MCLK_LRCLK_544 },
679 { 12000000, 110294, CS42L56_MCLK_LRCLK_544 },
680 { 24000000, 110294, CS42L56_MCLK_LRCLK_544 },
681 /* 12k */
682 { 6000000, 12000, CS42L56_MCLK_LRCLK_500 },
683 { 6144000, 12000, CS42L56_MCLK_LRCLK_512 },
684 { 12000000, 12000, CS42L56_MCLK_LRCLK_500 },
685 { 12288000, 12000, CS42L56_MCLK_LRCLK_512 },
686 { 24000000, 12000, CS42L56_MCLK_LRCLK_500 },
687 { 24576000, 12000, CS42L56_MCLK_LRCLK_512 },
688 /* 16k */
689 { 6000000, 16000, CS42L56_MCLK_LRCLK_375 },
690 { 6144000, 16000, CS42L56_MCLK_LRCLK_384 },
691 { 12000000, 16000, CS42L56_MCLK_LRCLK_375 },
692 { 12288000, 16000, CS42L56_MCLK_LRCLK_384 },
693 { 24000000, 16000, CS42L56_MCLK_LRCLK_375 },
694 { 24576000, 16000, CS42L56_MCLK_LRCLK_384 },
695 /* 22.050k */
696 { 5644800, 22050, CS42L56_MCLK_LRCLK_256 },
697 { 11289600, 22050, CS42L56_MCLK_LRCLK_256 },
698 { 22579200, 22050, CS42L56_MCLK_LRCLK_256 },
699 /* 22.0588k */
700 { 6000000, 220588, CS42L56_MCLK_LRCLK_272 },
701 { 12000000, 220588, CS42L56_MCLK_LRCLK_272 },
702 { 24000000, 220588, CS42L56_MCLK_LRCLK_272 },
703 /* 24k */
704 { 6000000, 24000, CS42L56_MCLK_LRCLK_250 },
705 { 6144000, 24000, CS42L56_MCLK_LRCLK_256 },
706 { 12000000, 24000, CS42L56_MCLK_LRCLK_250 },
707 { 12288000, 24000, CS42L56_MCLK_LRCLK_256 },
708 { 24000000, 24000, CS42L56_MCLK_LRCLK_250 },
709 { 24576000, 24000, CS42L56_MCLK_LRCLK_256 },
710 /* 32k */
711 { 6000000, 32000, CS42L56_MCLK_LRCLK_187P5 },
712 { 6144000, 32000, CS42L56_MCLK_LRCLK_192 },
713 { 12000000, 32000, CS42L56_MCLK_LRCLK_187P5 },
714 { 12288000, 32000, CS42L56_MCLK_LRCLK_192 },
715 { 24000000, 32000, CS42L56_MCLK_LRCLK_187P5 },
716 { 24576000, 32000, CS42L56_MCLK_LRCLK_192 },
717 /* 44.118k */
718 { 6000000, 44118, CS42L56_MCLK_LRCLK_136 },
719 { 12000000, 44118, CS42L56_MCLK_LRCLK_136 },
720 { 24000000, 44118, CS42L56_MCLK_LRCLK_136 },
721 /* 44.1k */
722 { 5644800, 44100, CS42L56_MCLK_LRCLK_128 },
723 { 11289600, 44100, CS42L56_MCLK_LRCLK_128 },
724 { 22579200, 44100, CS42L56_MCLK_LRCLK_128 },
725 /* 48k */
726 { 6000000, 48000, CS42L56_MCLK_LRCLK_125 },
727 { 6144000, 48000, CS42L56_MCLK_LRCLK_128 },
728 { 12000000, 48000, CS42L56_MCLK_LRCLK_125 },
729 { 12288000, 48000, CS42L56_MCLK_LRCLK_128 },
730 { 24000000, 48000, CS42L56_MCLK_LRCLK_125 },
731 { 24576000, 48000, CS42L56_MCLK_LRCLK_128 },
732 };
733
cs42l56_get_mclk_ratio(int mclk,int rate)734 static int cs42l56_get_mclk_ratio(int mclk, int rate)
735 {
736 int i;
737
738 for (i = 0; i < ARRAY_SIZE(clk_ratio_table); i++) {
739 if (clk_ratio_table[i].mclk == mclk &&
740 clk_ratio_table[i].srate == rate)
741 return clk_ratio_table[i].ratio;
742 }
743 return -EINVAL;
744 }
745
cs42l56_set_sysclk(struct snd_soc_dai * codec_dai,int clk_id,unsigned int freq,int dir)746 static int cs42l56_set_sysclk(struct snd_soc_dai *codec_dai,
747 int clk_id, unsigned int freq, int dir)
748 {
749 struct snd_soc_component *component = codec_dai->component;
750 struct cs42l56_private *cs42l56 = snd_soc_component_get_drvdata(component);
751
752 switch (freq) {
753 case CS42L56_MCLK_5P6448MHZ:
754 case CS42L56_MCLK_6MHZ:
755 case CS42L56_MCLK_6P144MHZ:
756 cs42l56->mclk_div2 = 0;
757 cs42l56->mclk_prediv = 0;
758 break;
759 case CS42L56_MCLK_11P2896MHZ:
760 case CS42L56_MCLK_12MHZ:
761 case CS42L56_MCLK_12P288MHZ:
762 cs42l56->mclk_div2 = CS42L56_MCLK_DIV2;
763 cs42l56->mclk_prediv = 0;
764 break;
765 case CS42L56_MCLK_22P5792MHZ:
766 case CS42L56_MCLK_24MHZ:
767 case CS42L56_MCLK_24P576MHZ:
768 cs42l56->mclk_div2 = CS42L56_MCLK_DIV2;
769 cs42l56->mclk_prediv = CS42L56_MCLK_PREDIV;
770 break;
771 default:
772 return -EINVAL;
773 }
774 cs42l56->mclk = freq;
775
776 snd_soc_component_update_bits(component, CS42L56_CLKCTL_1,
777 CS42L56_MCLK_PREDIV_MASK,
778 cs42l56->mclk_prediv);
779 snd_soc_component_update_bits(component, CS42L56_CLKCTL_1,
780 CS42L56_MCLK_DIV2_MASK,
781 cs42l56->mclk_div2);
782
783 return 0;
784 }
785
cs42l56_set_dai_fmt(struct snd_soc_dai * codec_dai,unsigned int fmt)786 static int cs42l56_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
787 {
788 struct snd_soc_component *component = codec_dai->component;
789 struct cs42l56_private *cs42l56 = snd_soc_component_get_drvdata(component);
790
791 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
792 case SND_SOC_DAIFMT_CBP_CFP:
793 cs42l56->iface = CS42L56_MASTER_MODE;
794 break;
795 case SND_SOC_DAIFMT_CBC_CFC:
796 cs42l56->iface = CS42L56_SLAVE_MODE;
797 break;
798 default:
799 return -EINVAL;
800 }
801
802 /* interface format */
803 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
804 case SND_SOC_DAIFMT_I2S:
805 cs42l56->iface_fmt = CS42L56_DIG_FMT_I2S;
806 break;
807 case SND_SOC_DAIFMT_LEFT_J:
808 cs42l56->iface_fmt = CS42L56_DIG_FMT_LEFT_J;
809 break;
810 default:
811 return -EINVAL;
812 }
813
814 /* sclk inversion */
815 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
816 case SND_SOC_DAIFMT_NB_NF:
817 cs42l56->iface_inv = 0;
818 break;
819 case SND_SOC_DAIFMT_IB_NF:
820 cs42l56->iface_inv = CS42L56_SCLK_INV;
821 break;
822 default:
823 return -EINVAL;
824 }
825
826 snd_soc_component_update_bits(component, CS42L56_CLKCTL_1,
827 CS42L56_MS_MODE_MASK, cs42l56->iface);
828 snd_soc_component_update_bits(component, CS42L56_SERIAL_FMT,
829 CS42L56_DIG_FMT_MASK, cs42l56->iface_fmt);
830 snd_soc_component_update_bits(component, CS42L56_CLKCTL_1,
831 CS42L56_SCLK_INV_MASK, cs42l56->iface_inv);
832 return 0;
833 }
834
cs42l56_mute(struct snd_soc_dai * dai,int mute,int direction)835 static int cs42l56_mute(struct snd_soc_dai *dai, int mute, int direction)
836 {
837 struct snd_soc_component *component = dai->component;
838
839 if (mute) {
840 /* Hit the DSP Mixer first */
841 snd_soc_component_update_bits(component, CS42L56_DSP_MUTE_CTL,
842 CS42L56_ADCAMIX_MUTE_MASK |
843 CS42L56_ADCBMIX_MUTE_MASK |
844 CS42L56_PCMAMIX_MUTE_MASK |
845 CS42L56_PCMBMIX_MUTE_MASK |
846 CS42L56_MSTB_MUTE_MASK |
847 CS42L56_MSTA_MUTE_MASK,
848 CS42L56_MUTE_ALL);
849 /* Mute ADC's */
850 snd_soc_component_update_bits(component, CS42L56_MISC_ADC_CTL,
851 CS42L56_ADCA_MUTE_MASK |
852 CS42L56_ADCB_MUTE_MASK,
853 CS42L56_MUTE_ALL);
854 /* HP And LO */
855 snd_soc_component_update_bits(component, CS42L56_HPA_VOLUME,
856 CS42L56_HP_MUTE_MASK, CS42L56_MUTE_ALL);
857 snd_soc_component_update_bits(component, CS42L56_HPB_VOLUME,
858 CS42L56_HP_MUTE_MASK, CS42L56_MUTE_ALL);
859 snd_soc_component_update_bits(component, CS42L56_LOA_VOLUME,
860 CS42L56_LO_MUTE_MASK, CS42L56_MUTE_ALL);
861 snd_soc_component_update_bits(component, CS42L56_LOB_VOLUME,
862 CS42L56_LO_MUTE_MASK, CS42L56_MUTE_ALL);
863 } else {
864 snd_soc_component_update_bits(component, CS42L56_DSP_MUTE_CTL,
865 CS42L56_ADCAMIX_MUTE_MASK |
866 CS42L56_ADCBMIX_MUTE_MASK |
867 CS42L56_PCMAMIX_MUTE_MASK |
868 CS42L56_PCMBMIX_MUTE_MASK |
869 CS42L56_MSTB_MUTE_MASK |
870 CS42L56_MSTA_MUTE_MASK,
871 CS42L56_UNMUTE);
872
873 snd_soc_component_update_bits(component, CS42L56_MISC_ADC_CTL,
874 CS42L56_ADCA_MUTE_MASK |
875 CS42L56_ADCB_MUTE_MASK,
876 CS42L56_UNMUTE);
877
878 snd_soc_component_update_bits(component, CS42L56_HPA_VOLUME,
879 CS42L56_HP_MUTE_MASK, CS42L56_UNMUTE);
880 snd_soc_component_update_bits(component, CS42L56_HPB_VOLUME,
881 CS42L56_HP_MUTE_MASK, CS42L56_UNMUTE);
882 snd_soc_component_update_bits(component, CS42L56_LOA_VOLUME,
883 CS42L56_LO_MUTE_MASK, CS42L56_UNMUTE);
884 snd_soc_component_update_bits(component, CS42L56_LOB_VOLUME,
885 CS42L56_LO_MUTE_MASK, CS42L56_UNMUTE);
886 }
887 return 0;
888 }
889
cs42l56_pcm_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)890 static int cs42l56_pcm_hw_params(struct snd_pcm_substream *substream,
891 struct snd_pcm_hw_params *params,
892 struct snd_soc_dai *dai)
893 {
894 struct snd_soc_component *component = dai->component;
895 struct cs42l56_private *cs42l56 = snd_soc_component_get_drvdata(component);
896 int ratio;
897
898 ratio = cs42l56_get_mclk_ratio(cs42l56->mclk, params_rate(params));
899 if (ratio >= 0) {
900 snd_soc_component_update_bits(component, CS42L56_CLKCTL_2,
901 CS42L56_CLK_RATIO_MASK, ratio);
902 } else {
903 dev_err(component->dev, "unsupported mclk/sclk/lrclk ratio\n");
904 return -EINVAL;
905 }
906
907 return 0;
908 }
909
cs42l56_set_bias_level(struct snd_soc_component * component,enum snd_soc_bias_level level)910 static int cs42l56_set_bias_level(struct snd_soc_component *component,
911 enum snd_soc_bias_level level)
912 {
913 struct cs42l56_private *cs42l56 = snd_soc_component_get_drvdata(component);
914 int ret;
915
916 switch (level) {
917 case SND_SOC_BIAS_ON:
918 break;
919 case SND_SOC_BIAS_PREPARE:
920 snd_soc_component_update_bits(component, CS42L56_CLKCTL_1,
921 CS42L56_MCLK_DIS_MASK, 0);
922 snd_soc_component_update_bits(component, CS42L56_PWRCTL_1,
923 CS42L56_PDN_ALL_MASK, 0);
924 break;
925 case SND_SOC_BIAS_STANDBY:
926 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
927 regcache_cache_only(cs42l56->regmap, false);
928 regcache_sync(cs42l56->regmap);
929 ret = regulator_bulk_enable(ARRAY_SIZE(cs42l56->supplies),
930 cs42l56->supplies);
931 if (ret != 0) {
932 dev_err(cs42l56->dev,
933 "Failed to enable regulators: %d\n",
934 ret);
935 return ret;
936 }
937 }
938 snd_soc_component_update_bits(component, CS42L56_PWRCTL_1,
939 CS42L56_PDN_ALL_MASK, 1);
940 break;
941 case SND_SOC_BIAS_OFF:
942 snd_soc_component_update_bits(component, CS42L56_PWRCTL_1,
943 CS42L56_PDN_ALL_MASK, 1);
944 snd_soc_component_update_bits(component, CS42L56_CLKCTL_1,
945 CS42L56_MCLK_DIS_MASK, 1);
946 regcache_cache_only(cs42l56->regmap, true);
947 regulator_bulk_disable(ARRAY_SIZE(cs42l56->supplies),
948 cs42l56->supplies);
949 break;
950 }
951
952 return 0;
953 }
954
955 #define CS42L56_RATES (SNDRV_PCM_RATE_8000_48000)
956
957 #define CS42L56_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S18_3LE | \
958 SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE | \
959 SNDRV_PCM_FMTBIT_S32_LE)
960
961
962 static const struct snd_soc_dai_ops cs42l56_ops = {
963 .hw_params = cs42l56_pcm_hw_params,
964 .mute_stream = cs42l56_mute,
965 .set_fmt = cs42l56_set_dai_fmt,
966 .set_sysclk = cs42l56_set_sysclk,
967 .no_capture_mute = 1,
968 };
969
970 static struct snd_soc_dai_driver cs42l56_dai = {
971 .name = "cs42l56",
972 .playback = {
973 .stream_name = "HiFi Playback",
974 .channels_min = 1,
975 .channels_max = 2,
976 .rates = CS42L56_RATES,
977 .formats = CS42L56_FORMATS,
978 },
979 .capture = {
980 .stream_name = "HiFi Capture",
981 .channels_min = 1,
982 .channels_max = 2,
983 .rates = CS42L56_RATES,
984 .formats = CS42L56_FORMATS,
985 },
986 .ops = &cs42l56_ops,
987 };
988
989 static int beep_freq[] = {
990 261, 522, 585, 667, 706, 774, 889, 1000,
991 1043, 1200, 1333, 1412, 1600, 1714, 2000, 2182
992 };
993
cs42l56_beep_work(struct work_struct * work)994 static void cs42l56_beep_work(struct work_struct *work)
995 {
996 struct cs42l56_private *cs42l56 =
997 container_of(work, struct cs42l56_private, beep_work);
998 struct snd_soc_component *component = cs42l56->component;
999 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
1000 int i;
1001 int val = 0;
1002 int best = 0;
1003
1004 if (cs42l56->beep_rate) {
1005 for (i = 0; i < ARRAY_SIZE(beep_freq); i++) {
1006 if (abs(cs42l56->beep_rate - beep_freq[i]) <
1007 abs(cs42l56->beep_rate - beep_freq[best]))
1008 best = i;
1009 }
1010
1011 dev_dbg(component->dev, "Set beep rate %dHz for requested %dHz\n",
1012 beep_freq[best], cs42l56->beep_rate);
1013
1014 val = (best << CS42L56_BEEP_RATE_SHIFT);
1015
1016 snd_soc_dapm_enable_pin(dapm, "Beep");
1017 } else {
1018 dev_dbg(component->dev, "Disabling beep\n");
1019 snd_soc_dapm_disable_pin(dapm, "Beep");
1020 }
1021
1022 snd_soc_component_update_bits(component, CS42L56_BEEP_FREQ_ONTIME,
1023 CS42L56_BEEP_FREQ_MASK, val);
1024
1025 snd_soc_dapm_sync(dapm);
1026 }
1027
1028 /* For usability define a way of injecting beep events for the device -
1029 * many systems will not have a keyboard.
1030 */
cs42l56_beep_event(struct input_dev * dev,unsigned int type,unsigned int code,int hz)1031 static int cs42l56_beep_event(struct input_dev *dev, unsigned int type,
1032 unsigned int code, int hz)
1033 {
1034 struct snd_soc_component *component = input_get_drvdata(dev);
1035 struct cs42l56_private *cs42l56 = snd_soc_component_get_drvdata(component);
1036
1037 dev_dbg(component->dev, "Beep event %x %x\n", code, hz);
1038
1039 switch (code) {
1040 case SND_BELL:
1041 if (hz)
1042 hz = 261;
1043 break;
1044 case SND_TONE:
1045 break;
1046 default:
1047 return -1;
1048 }
1049
1050 /* Kick the beep from a workqueue */
1051 cs42l56->beep_rate = hz;
1052 schedule_work(&cs42l56->beep_work);
1053 return 0;
1054 }
1055
beep_store(struct device * dev,struct device_attribute * attr,const char * buf,size_t count)1056 static ssize_t beep_store(struct device *dev, struct device_attribute *attr,
1057 const char *buf, size_t count)
1058 {
1059 struct cs42l56_private *cs42l56 = dev_get_drvdata(dev);
1060 long int time;
1061 int ret;
1062
1063 ret = kstrtol(buf, 10, &time);
1064 if (ret != 0)
1065 return ret;
1066
1067 input_event(cs42l56->beep, EV_SND, SND_TONE, time);
1068
1069 return count;
1070 }
1071
1072 static DEVICE_ATTR_WO(beep);
1073
cs42l56_init_beep(struct snd_soc_component * component)1074 static void cs42l56_init_beep(struct snd_soc_component *component)
1075 {
1076 struct cs42l56_private *cs42l56 = snd_soc_component_get_drvdata(component);
1077 int ret;
1078
1079 cs42l56->beep = devm_input_allocate_device(component->dev);
1080 if (!cs42l56->beep) {
1081 dev_err(component->dev, "Failed to allocate beep device\n");
1082 return;
1083 }
1084
1085 INIT_WORK(&cs42l56->beep_work, cs42l56_beep_work);
1086 cs42l56->beep_rate = 0;
1087
1088 cs42l56->beep->name = "CS42L56 Beep Generator";
1089 cs42l56->beep->phys = dev_name(component->dev);
1090 cs42l56->beep->id.bustype = BUS_I2C;
1091
1092 cs42l56->beep->evbit[0] = BIT_MASK(EV_SND);
1093 cs42l56->beep->sndbit[0] = BIT_MASK(SND_BELL) | BIT_MASK(SND_TONE);
1094 cs42l56->beep->event = cs42l56_beep_event;
1095 cs42l56->beep->dev.parent = component->dev;
1096 input_set_drvdata(cs42l56->beep, component);
1097
1098 ret = input_register_device(cs42l56->beep);
1099 if (ret != 0) {
1100 cs42l56->beep = NULL;
1101 dev_err(component->dev, "Failed to register beep device\n");
1102 }
1103
1104 ret = device_create_file(component->dev, &dev_attr_beep);
1105 if (ret != 0) {
1106 dev_err(component->dev, "Failed to create keyclick file: %d\n",
1107 ret);
1108 }
1109 }
1110
cs42l56_free_beep(struct snd_soc_component * component)1111 static void cs42l56_free_beep(struct snd_soc_component *component)
1112 {
1113 struct cs42l56_private *cs42l56 = snd_soc_component_get_drvdata(component);
1114
1115 device_remove_file(component->dev, &dev_attr_beep);
1116 cancel_work_sync(&cs42l56->beep_work);
1117 cs42l56->beep = NULL;
1118
1119 snd_soc_component_update_bits(component, CS42L56_BEEP_TONE_CFG,
1120 CS42L56_BEEP_EN_MASK, 0);
1121 }
1122
cs42l56_probe(struct snd_soc_component * component)1123 static int cs42l56_probe(struct snd_soc_component *component)
1124 {
1125 cs42l56_init_beep(component);
1126
1127 return 0;
1128 }
1129
cs42l56_remove(struct snd_soc_component * component)1130 static void cs42l56_remove(struct snd_soc_component *component)
1131 {
1132 cs42l56_free_beep(component);
1133 }
1134
1135 static const struct snd_soc_component_driver soc_component_dev_cs42l56 = {
1136 .probe = cs42l56_probe,
1137 .remove = cs42l56_remove,
1138 .set_bias_level = cs42l56_set_bias_level,
1139 .controls = cs42l56_snd_controls,
1140 .num_controls = ARRAY_SIZE(cs42l56_snd_controls),
1141 .dapm_widgets = cs42l56_dapm_widgets,
1142 .num_dapm_widgets = ARRAY_SIZE(cs42l56_dapm_widgets),
1143 .dapm_routes = cs42l56_audio_map,
1144 .num_dapm_routes = ARRAY_SIZE(cs42l56_audio_map),
1145 .suspend_bias_off = 1,
1146 .idle_bias_on = 1,
1147 .use_pmdown_time = 1,
1148 .endianness = 1,
1149 };
1150
1151 static const struct regmap_config cs42l56_regmap = {
1152 .reg_bits = 8,
1153 .val_bits = 8,
1154
1155 .max_register = CS42L56_MAX_REGISTER,
1156 .reg_defaults = cs42l56_reg_defaults,
1157 .num_reg_defaults = ARRAY_SIZE(cs42l56_reg_defaults),
1158 .readable_reg = cs42l56_readable_register,
1159 .volatile_reg = cs42l56_volatile_register,
1160 .cache_type = REGCACHE_MAPLE,
1161 };
1162
cs42l56_handle_of_data(struct i2c_client * i2c_client,struct cs42l56_platform_data * pdata)1163 static int cs42l56_handle_of_data(struct i2c_client *i2c_client,
1164 struct cs42l56_platform_data *pdata)
1165 {
1166 struct device_node *np = i2c_client->dev.of_node;
1167 u32 val32;
1168
1169 if (of_property_read_bool(np, "cirrus,ain1a-reference-cfg"))
1170 pdata->ain1a_ref_cfg = true;
1171
1172 if (of_property_read_bool(np, "cirrus,ain2a-reference-cfg"))
1173 pdata->ain2a_ref_cfg = true;
1174
1175 if (of_property_read_bool(np, "cirrus,ain1b-reference-cfg"))
1176 pdata->ain1b_ref_cfg = true;
1177
1178 if (of_property_read_bool(np, "cirrus,ain2b-reference-cfg"))
1179 pdata->ain2b_ref_cfg = true;
1180
1181 if (of_property_read_u32(np, "cirrus,micbias-lvl", &val32) >= 0)
1182 pdata->micbias_lvl = val32;
1183
1184 if (of_property_read_u32(np, "cirrus,chgfreq-divisor", &val32) >= 0)
1185 pdata->chgfreq = val32;
1186
1187 if (of_property_read_u32(np, "cirrus,adaptive-pwr-cfg", &val32) >= 0)
1188 pdata->adaptive_pwr = val32;
1189
1190 if (of_property_read_u32(np, "cirrus,hpf-left-freq", &val32) >= 0)
1191 pdata->hpfa_freq = val32;
1192
1193 if (of_property_read_u32(np, "cirrus,hpf-left-freq", &val32) >= 0)
1194 pdata->hpfb_freq = val32;
1195
1196 pdata->gpio_nreset = devm_gpiod_get_optional(&i2c_client->dev, "cirrus,gpio-nreset",
1197 GPIOD_OUT_LOW);
1198
1199 if (IS_ERR(pdata->gpio_nreset))
1200 return PTR_ERR(pdata->gpio_nreset);
1201
1202 gpiod_set_consumer_name(pdata->gpio_nreset, "CS42L56 /RST");
1203
1204 return 0;
1205 }
1206
cs42l56_i2c_probe(struct i2c_client * i2c_client)1207 static int cs42l56_i2c_probe(struct i2c_client *i2c_client)
1208 {
1209 struct cs42l56_private *cs42l56;
1210 int ret, i;
1211 unsigned int devid;
1212 unsigned int alpha_rev, metal_rev;
1213 unsigned int reg;
1214
1215 cs42l56 = devm_kzalloc(&i2c_client->dev, sizeof(*cs42l56), GFP_KERNEL);
1216 if (cs42l56 == NULL)
1217 return -ENOMEM;
1218 cs42l56->dev = &i2c_client->dev;
1219
1220 cs42l56->regmap = devm_regmap_init_i2c(i2c_client, &cs42l56_regmap);
1221 if (IS_ERR(cs42l56->regmap)) {
1222 ret = PTR_ERR(cs42l56->regmap);
1223 dev_err(&i2c_client->dev, "regmap_init() failed: %d\n", ret);
1224 return ret;
1225 }
1226
1227 if (i2c_client->dev.of_node) {
1228 ret = cs42l56_handle_of_data(i2c_client, &cs42l56->pdata);
1229 if (ret != 0)
1230 return ret;
1231 }
1232
1233 if (cs42l56->pdata.gpio_nreset) {
1234 gpiod_set_value_cansleep(cs42l56->pdata.gpio_nreset, 1);
1235 gpiod_set_value_cansleep(cs42l56->pdata.gpio_nreset, 0);
1236 }
1237
1238 i2c_set_clientdata(i2c_client, cs42l56);
1239
1240 for (i = 0; i < ARRAY_SIZE(cs42l56->supplies); i++)
1241 cs42l56->supplies[i].supply = cs42l56_supply_names[i];
1242
1243 ret = devm_regulator_bulk_get(&i2c_client->dev,
1244 ARRAY_SIZE(cs42l56->supplies),
1245 cs42l56->supplies);
1246 if (ret != 0) {
1247 dev_err(&i2c_client->dev,
1248 "Failed to request supplies: %d\n", ret);
1249 return ret;
1250 }
1251
1252 ret = regulator_bulk_enable(ARRAY_SIZE(cs42l56->supplies),
1253 cs42l56->supplies);
1254 if (ret != 0) {
1255 dev_err(&i2c_client->dev,
1256 "Failed to enable supplies: %d\n", ret);
1257 return ret;
1258 }
1259
1260 ret = regmap_read(cs42l56->regmap, CS42L56_CHIP_ID_1, ®);
1261 if (ret) {
1262 dev_err(&i2c_client->dev, "Failed to read chip ID: %d\n", ret);
1263 goto err_enable;
1264 }
1265
1266 devid = reg & CS42L56_CHIP_ID_MASK;
1267 if (devid != CS42L56_DEVID) {
1268 dev_err(&i2c_client->dev,
1269 "CS42L56 Device ID (%X). Expected %X\n",
1270 devid, CS42L56_DEVID);
1271 ret = -EINVAL;
1272 goto err_enable;
1273 }
1274 alpha_rev = reg & CS42L56_AREV_MASK;
1275 metal_rev = reg & CS42L56_MTLREV_MASK;
1276
1277 dev_info(&i2c_client->dev, "Cirrus Logic CS42L56 ");
1278 dev_info(&i2c_client->dev, "Alpha Rev %X Metal Rev %X\n",
1279 alpha_rev, metal_rev);
1280
1281 if (cs42l56->pdata.ain1a_ref_cfg)
1282 regmap_update_bits(cs42l56->regmap, CS42L56_AIN_REFCFG_ADC_MUX,
1283 CS42L56_AIN1A_REF_MASK,
1284 CS42L56_AIN1A_REF_MASK);
1285
1286 if (cs42l56->pdata.ain1b_ref_cfg)
1287 regmap_update_bits(cs42l56->regmap, CS42L56_AIN_REFCFG_ADC_MUX,
1288 CS42L56_AIN1B_REF_MASK,
1289 CS42L56_AIN1B_REF_MASK);
1290
1291 if (cs42l56->pdata.ain2a_ref_cfg)
1292 regmap_update_bits(cs42l56->regmap, CS42L56_AIN_REFCFG_ADC_MUX,
1293 CS42L56_AIN2A_REF_MASK,
1294 CS42L56_AIN2A_REF_MASK);
1295
1296 if (cs42l56->pdata.ain2b_ref_cfg)
1297 regmap_update_bits(cs42l56->regmap, CS42L56_AIN_REFCFG_ADC_MUX,
1298 CS42L56_AIN2B_REF_MASK,
1299 CS42L56_AIN2B_REF_MASK);
1300
1301 if (cs42l56->pdata.micbias_lvl)
1302 regmap_update_bits(cs42l56->regmap, CS42L56_GAIN_BIAS_CTL,
1303 CS42L56_MIC_BIAS_MASK,
1304 cs42l56->pdata.micbias_lvl);
1305
1306 if (cs42l56->pdata.chgfreq)
1307 regmap_update_bits(cs42l56->regmap, CS42L56_CLASSH_CTL,
1308 CS42L56_CHRG_FREQ_MASK,
1309 cs42l56->pdata.chgfreq);
1310
1311 if (cs42l56->pdata.hpfb_freq)
1312 regmap_update_bits(cs42l56->regmap, CS42L56_HPF_CTL,
1313 CS42L56_HPFB_FREQ_MASK,
1314 cs42l56->pdata.hpfb_freq);
1315
1316 if (cs42l56->pdata.hpfa_freq)
1317 regmap_update_bits(cs42l56->regmap, CS42L56_HPF_CTL,
1318 CS42L56_HPFA_FREQ_MASK,
1319 cs42l56->pdata.hpfa_freq);
1320
1321 if (cs42l56->pdata.adaptive_pwr)
1322 regmap_update_bits(cs42l56->regmap, CS42L56_CLASSH_CTL,
1323 CS42L56_ADAPT_PWR_MASK,
1324 cs42l56->pdata.adaptive_pwr);
1325
1326 ret = devm_snd_soc_register_component(&i2c_client->dev,
1327 &soc_component_dev_cs42l56, &cs42l56_dai, 1);
1328 if (ret < 0)
1329 goto err_enable;
1330
1331 return 0;
1332
1333 err_enable:
1334 regulator_bulk_disable(ARRAY_SIZE(cs42l56->supplies),
1335 cs42l56->supplies);
1336 return ret;
1337 }
1338
cs42l56_i2c_remove(struct i2c_client * client)1339 static void cs42l56_i2c_remove(struct i2c_client *client)
1340 {
1341 struct cs42l56_private *cs42l56 = i2c_get_clientdata(client);
1342
1343 regulator_bulk_disable(ARRAY_SIZE(cs42l56->supplies),
1344 cs42l56->supplies);
1345 }
1346
1347 static const struct of_device_id cs42l56_of_match[] = {
1348 { .compatible = "cirrus,cs42l56", },
1349 { }
1350 };
1351 MODULE_DEVICE_TABLE(of, cs42l56_of_match);
1352
1353
1354 static const struct i2c_device_id cs42l56_id[] = {
1355 { "cs42l56" },
1356 { }
1357 };
1358 MODULE_DEVICE_TABLE(i2c, cs42l56_id);
1359
1360 static struct i2c_driver cs42l56_i2c_driver = {
1361 .driver = {
1362 .name = "cs42l56",
1363 .of_match_table = cs42l56_of_match,
1364 },
1365 .id_table = cs42l56_id,
1366 .probe = cs42l56_i2c_probe,
1367 .remove = cs42l56_i2c_remove,
1368 };
1369
1370 module_i2c_driver(cs42l56_i2c_driver);
1371
1372 MODULE_DESCRIPTION("ASoC CS42L56 driver");
1373 MODULE_AUTHOR("Brian Austin, Cirrus Logic Inc, <brian.austin@cirrus.com>");
1374 MODULE_LICENSE("GPL");
1375