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/module.h>
11 #include <linux/moduleparam.h>
12 #include <linux/kernel.h>
13 #include <linux/init.h>
14 #include <linux/delay.h>
15 #include <linux/pm.h>
16 #include <linux/i2c.h>
17 #include <linux/input.h>
18 #include <linux/regmap.h>
19 #include <linux/slab.h>
20 #include <linux/workqueue.h>
21 #include <linux/platform_device.h>
22 #include <linux/regulator/consumer.h>
23 #include <linux/of_device.h>
24 #include <linux/of_gpio.h>
25 #include <sound/core.h>
26 #include <sound/pcm.h>
27 #include <sound/pcm_params.h>
28 #include <sound/soc.h>
29 #include <sound/soc-dapm.h>
30 #include <sound/initval.h>
31 #include <sound/tlv.h>
32 #include <sound/cs42l56.h>
33 #include "cs42l56.h"
34
35 #define CS42L56_NUM_SUPPLIES 3
36 static const char *const cs42l56_supply_names[CS42L56_NUM_SUPPLIES] = {
37 "VA",
38 "VCP",
39 "VLDO",
40 };
41
42 struct cs42l56_private {
43 struct regmap *regmap;
44 struct snd_soc_component *component;
45 struct device *dev;
46 struct cs42l56_platform_data pdata;
47 struct regulator_bulk_data supplies[CS42L56_NUM_SUPPLIES];
48 u32 mclk;
49 u8 mclk_prediv;
50 u8 mclk_div2;
51 u8 mclk_ratio;
52 u8 iface;
53 u8 iface_fmt;
54 u8 iface_inv;
55 #if IS_ENABLED(CONFIG_INPUT)
56 struct input_dev *beep;
57 struct work_struct beep_work;
58 int beep_rate;
59 #endif
60 };
61
62 static const struct reg_default cs42l56_reg_defaults[] = {
63 { 3, 0x7f }, /* r03 - Power Ctl 1 */
64 { 4, 0xff }, /* r04 - Power Ctl 2 */
65 { 5, 0x00 }, /* ro5 - Clocking Ctl 1 */
66 { 6, 0x0b }, /* r06 - Clocking Ctl 2 */
67 { 7, 0x00 }, /* r07 - Serial Format */
68 { 8, 0x05 }, /* r08 - Class H Ctl */
69 { 9, 0x0c }, /* r09 - Misc Ctl */
70 { 10, 0x80 }, /* r0a - INT Status */
71 { 11, 0x00 }, /* r0b - Playback Ctl */
72 { 12, 0x0c }, /* r0c - DSP Mute Ctl */
73 { 13, 0x00 }, /* r0d - ADCA Mixer Volume */
74 { 14, 0x00 }, /* r0e - ADCB Mixer Volume */
75 { 15, 0x00 }, /* r0f - PCMA Mixer Volume */
76 { 16, 0x00 }, /* r10 - PCMB Mixer Volume */
77 { 17, 0x00 }, /* r11 - Analog Input Advisory Volume */
78 { 18, 0x00 }, /* r12 - Digital Input Advisory Volume */
79 { 19, 0x00 }, /* r13 - Master A Volume */
80 { 20, 0x00 }, /* r14 - Master B Volume */
81 { 21, 0x00 }, /* r15 - Beep Freq / On Time */
82 { 22, 0x00 }, /* r16 - Beep Volume / Off Time */
83 { 23, 0x00 }, /* r17 - Beep Tone Ctl */
84 { 24, 0x88 }, /* r18 - Tone Ctl */
85 { 25, 0x00 }, /* r19 - Channel Mixer & Swap */
86 { 26, 0x00 }, /* r1a - AIN Ref Config / ADC Mux */
87 { 27, 0xa0 }, /* r1b - High-Pass Filter Ctl */
88 { 28, 0x00 }, /* r1c - Misc ADC Ctl */
89 { 29, 0x00 }, /* r1d - Gain & Bias Ctl */
90 { 30, 0x00 }, /* r1e - PGAA Mux & Volume */
91 { 31, 0x00 }, /* r1f - PGAB Mux & Volume */
92 { 32, 0x00 }, /* r20 - ADCA Attenuator */
93 { 33, 0x00 }, /* r21 - ADCB Attenuator */
94 { 34, 0x00 }, /* r22 - ALC Enable & Attack Rate */
95 { 35, 0xbf }, /* r23 - ALC Release Rate */
96 { 36, 0x00 }, /* r24 - ALC Threshold */
97 { 37, 0x00 }, /* r25 - Noise Gate Ctl */
98 { 38, 0x00 }, /* r26 - ALC, Limiter, SFT, ZeroCross */
99 { 39, 0x00 }, /* r27 - Analog Mute, LO & HP Mux */
100 { 40, 0x00 }, /* r28 - HP A Volume */
101 { 41, 0x00 }, /* r29 - HP B Volume */
102 { 42, 0x00 }, /* r2a - LINEOUT A Volume */
103 { 43, 0x00 }, /* r2b - LINEOUT B Volume */
104 { 44, 0x00 }, /* r2c - Limit Threshold Ctl */
105 { 45, 0x7f }, /* r2d - Limiter Ctl & Release Rate */
106 { 46, 0x00 }, /* r2e - Limiter Attack Rate */
107 };
108
cs42l56_readable_register(struct device * dev,unsigned int reg)109 static bool cs42l56_readable_register(struct device *dev, unsigned int reg)
110 {
111 switch (reg) {
112 case CS42L56_CHIP_ID_1 ... CS42L56_LIM_ATTACK_RATE:
113 return true;
114 default:
115 return false;
116 }
117 }
118
cs42l56_volatile_register(struct device * dev,unsigned int reg)119 static bool cs42l56_volatile_register(struct device *dev, unsigned int reg)
120 {
121 switch (reg) {
122 case CS42L56_INT_STATUS:
123 return true;
124 default:
125 return false;
126 }
127 }
128
129 static DECLARE_TLV_DB_SCALE(beep_tlv, -5000, 200, 0);
130 static DECLARE_TLV_DB_SCALE(hl_tlv, -6000, 50, 0);
131 static DECLARE_TLV_DB_SCALE(adv_tlv, -10200, 50, 0);
132 static DECLARE_TLV_DB_SCALE(adc_tlv, -9600, 100, 0);
133 static DECLARE_TLV_DB_SCALE(tone_tlv, -1050, 150, 0);
134 static DECLARE_TLV_DB_SCALE(preamp_tlv, 0, 1000, 0);
135 static DECLARE_TLV_DB_SCALE(pga_tlv, -600, 50, 0);
136
137 static const DECLARE_TLV_DB_RANGE(ngnb_tlv,
138 0, 1, TLV_DB_SCALE_ITEM(-8200, 600, 0),
139 2, 5, TLV_DB_SCALE_ITEM(-7600, 300, 0)
140 );
141 static const DECLARE_TLV_DB_RANGE(ngb_tlv,
142 0, 2, TLV_DB_SCALE_ITEM(-6400, 600, 0),
143 3, 7, TLV_DB_SCALE_ITEM(-4600, 300, 0)
144 );
145 static const DECLARE_TLV_DB_RANGE(alc_tlv,
146 0, 2, TLV_DB_SCALE_ITEM(-3000, 600, 0),
147 3, 7, TLV_DB_SCALE_ITEM(-1200, 300, 0)
148 );
149
150 static const char * const beep_config_text[] = {
151 "Off", "Single", "Multiple", "Continuous"
152 };
153
154 static const struct soc_enum beep_config_enum =
155 SOC_ENUM_SINGLE(CS42L56_BEEP_TONE_CFG, 6,
156 ARRAY_SIZE(beep_config_text), beep_config_text);
157
158 static const char * const beep_pitch_text[] = {
159 "C4", "C5", "D5", "E5", "F5", "G5", "A5", "B5",
160 "C6", "D6", "E6", "F6", "G6", "A6", "B6", "C7"
161 };
162
163 static const struct soc_enum beep_pitch_enum =
164 SOC_ENUM_SINGLE(CS42L56_BEEP_FREQ_ONTIME, 4,
165 ARRAY_SIZE(beep_pitch_text), beep_pitch_text);
166
167 static const char * const beep_ontime_text[] = {
168 "86 ms", "430 ms", "780 ms", "1.20 s", "1.50 s",
169 "1.80 s", "2.20 s", "2.50 s", "2.80 s", "3.20 s",
170 "3.50 s", "3.80 s", "4.20 s", "4.50 s", "4.80 s", "5.20 s"
171 };
172
173 static const struct soc_enum beep_ontime_enum =
174 SOC_ENUM_SINGLE(CS42L56_BEEP_FREQ_ONTIME, 0,
175 ARRAY_SIZE(beep_ontime_text), beep_ontime_text);
176
177 static const char * const beep_offtime_text[] = {
178 "1.23 s", "2.58 s", "3.90 s", "5.20 s",
179 "6.60 s", "8.05 s", "9.35 s", "10.80 s"
180 };
181
182 static const struct soc_enum beep_offtime_enum =
183 SOC_ENUM_SINGLE(CS42L56_BEEP_FREQ_OFFTIME, 5,
184 ARRAY_SIZE(beep_offtime_text), beep_offtime_text);
185
186 static const char * const beep_treble_text[] = {
187 "5kHz", "7kHz", "10kHz", "15kHz"
188 };
189
190 static const struct soc_enum beep_treble_enum =
191 SOC_ENUM_SINGLE(CS42L56_BEEP_TONE_CFG, 3,
192 ARRAY_SIZE(beep_treble_text), beep_treble_text);
193
194 static const char * const beep_bass_text[] = {
195 "50Hz", "100Hz", "200Hz", "250Hz"
196 };
197
198 static const struct soc_enum beep_bass_enum =
199 SOC_ENUM_SINGLE(CS42L56_BEEP_TONE_CFG, 1,
200 ARRAY_SIZE(beep_bass_text), beep_bass_text);
201
202 static const char * const pgaa_mux_text[] = {
203 "AIN1A", "AIN2A", "AIN3A"};
204
205 static const struct soc_enum pgaa_mux_enum =
206 SOC_ENUM_SINGLE(CS42L56_PGAA_MUX_VOLUME, 0,
207 ARRAY_SIZE(pgaa_mux_text),
208 pgaa_mux_text);
209
210 static const struct snd_kcontrol_new pgaa_mux =
211 SOC_DAPM_ENUM("Route", pgaa_mux_enum);
212
213 static const char * const pgab_mux_text[] = {
214 "AIN1B", "AIN2B", "AIN3B"};
215
216 static const struct soc_enum pgab_mux_enum =
217 SOC_ENUM_SINGLE(CS42L56_PGAB_MUX_VOLUME, 0,
218 ARRAY_SIZE(pgab_mux_text),
219 pgab_mux_text);
220
221 static const struct snd_kcontrol_new pgab_mux =
222 SOC_DAPM_ENUM("Route", pgab_mux_enum);
223
224 static const char * const adca_mux_text[] = {
225 "PGAA", "AIN1A", "AIN2A", "AIN3A"};
226
227 static const struct soc_enum adca_mux_enum =
228 SOC_ENUM_SINGLE(CS42L56_AIN_REFCFG_ADC_MUX, 0,
229 ARRAY_SIZE(adca_mux_text),
230 adca_mux_text);
231
232 static const struct snd_kcontrol_new adca_mux =
233 SOC_DAPM_ENUM("Route", adca_mux_enum);
234
235 static const char * const adcb_mux_text[] = {
236 "PGAB", "AIN1B", "AIN2B", "AIN3B"};
237
238 static const struct soc_enum adcb_mux_enum =
239 SOC_ENUM_SINGLE(CS42L56_AIN_REFCFG_ADC_MUX, 2,
240 ARRAY_SIZE(adcb_mux_text),
241 adcb_mux_text);
242
243 static const struct snd_kcontrol_new adcb_mux =
244 SOC_DAPM_ENUM("Route", adcb_mux_enum);
245
246 static const char * const left_swap_text[] = {
247 "Left", "LR 2", "Right"};
248
249 static const char * const right_swap_text[] = {
250 "Right", "LR 2", "Left"};
251
252 static const unsigned int swap_values[] = { 0, 1, 3 };
253
254 static const struct soc_enum adca_swap_enum =
255 SOC_VALUE_ENUM_SINGLE(CS42L56_CHAN_MIX_SWAP, 0, 3,
256 ARRAY_SIZE(left_swap_text),
257 left_swap_text,
258 swap_values);
259 static const struct snd_kcontrol_new adca_swap_mux =
260 SOC_DAPM_ENUM("Route", adca_swap_enum);
261
262 static const struct soc_enum pcma_swap_enum =
263 SOC_VALUE_ENUM_SINGLE(CS42L56_CHAN_MIX_SWAP, 4, 3,
264 ARRAY_SIZE(left_swap_text),
265 left_swap_text,
266 swap_values);
267 static const struct snd_kcontrol_new pcma_swap_mux =
268 SOC_DAPM_ENUM("Route", pcma_swap_enum);
269
270 static const struct soc_enum adcb_swap_enum =
271 SOC_VALUE_ENUM_SINGLE(CS42L56_CHAN_MIX_SWAP, 2, 3,
272 ARRAY_SIZE(right_swap_text),
273 right_swap_text,
274 swap_values);
275 static const struct snd_kcontrol_new adcb_swap_mux =
276 SOC_DAPM_ENUM("Route", adcb_swap_enum);
277
278 static const struct soc_enum pcmb_swap_enum =
279 SOC_VALUE_ENUM_SINGLE(CS42L56_CHAN_MIX_SWAP, 6, 3,
280 ARRAY_SIZE(right_swap_text),
281 right_swap_text,
282 swap_values);
283 static const struct snd_kcontrol_new pcmb_swap_mux =
284 SOC_DAPM_ENUM("Route", pcmb_swap_enum);
285
286 static const struct snd_kcontrol_new hpa_switch =
287 SOC_DAPM_SINGLE("Switch", CS42L56_PWRCTL_2, 6, 1, 1);
288
289 static const struct snd_kcontrol_new hpb_switch =
290 SOC_DAPM_SINGLE("Switch", CS42L56_PWRCTL_2, 4, 1, 1);
291
292 static const struct snd_kcontrol_new loa_switch =
293 SOC_DAPM_SINGLE("Switch", CS42L56_PWRCTL_2, 2, 1, 1);
294
295 static const struct snd_kcontrol_new lob_switch =
296 SOC_DAPM_SINGLE("Switch", CS42L56_PWRCTL_2, 0, 1, 1);
297
298 static const char * const hploa_input_text[] = {
299 "DACA", "PGAA"};
300
301 static const struct soc_enum lineouta_input_enum =
302 SOC_ENUM_SINGLE(CS42L56_AMUTE_HPLO_MUX, 2,
303 ARRAY_SIZE(hploa_input_text),
304 hploa_input_text);
305
306 static const struct snd_kcontrol_new lineouta_input =
307 SOC_DAPM_ENUM("Route", lineouta_input_enum);
308
309 static const struct soc_enum hpa_input_enum =
310 SOC_ENUM_SINGLE(CS42L56_AMUTE_HPLO_MUX, 0,
311 ARRAY_SIZE(hploa_input_text),
312 hploa_input_text);
313
314 static const struct snd_kcontrol_new hpa_input =
315 SOC_DAPM_ENUM("Route", hpa_input_enum);
316
317 static const char * const hplob_input_text[] = {
318 "DACB", "PGAB"};
319
320 static const struct soc_enum lineoutb_input_enum =
321 SOC_ENUM_SINGLE(CS42L56_AMUTE_HPLO_MUX, 3,
322 ARRAY_SIZE(hplob_input_text),
323 hplob_input_text);
324
325 static const struct snd_kcontrol_new lineoutb_input =
326 SOC_DAPM_ENUM("Route", lineoutb_input_enum);
327
328 static const struct soc_enum hpb_input_enum =
329 SOC_ENUM_SINGLE(CS42L56_AMUTE_HPLO_MUX, 1,
330 ARRAY_SIZE(hplob_input_text),
331 hplob_input_text);
332
333 static const struct snd_kcontrol_new hpb_input =
334 SOC_DAPM_ENUM("Route", hpb_input_enum);
335
336 static const char * const dig_mux_text[] = {
337 "ADC", "DSP"};
338
339 static const struct soc_enum dig_mux_enum =
340 SOC_ENUM_SINGLE(CS42L56_MISC_CTL, 7,
341 ARRAY_SIZE(dig_mux_text),
342 dig_mux_text);
343
344 static const struct snd_kcontrol_new dig_mux =
345 SOC_DAPM_ENUM("Route", dig_mux_enum);
346
347 static const char * const hpf_freq_text[] = {
348 "1.8Hz", "119Hz", "236Hz", "464Hz"
349 };
350
351 static const struct soc_enum hpfa_freq_enum =
352 SOC_ENUM_SINGLE(CS42L56_HPF_CTL, 0,
353 ARRAY_SIZE(hpf_freq_text), hpf_freq_text);
354
355 static const struct soc_enum hpfb_freq_enum =
356 SOC_ENUM_SINGLE(CS42L56_HPF_CTL, 2,
357 ARRAY_SIZE(hpf_freq_text), hpf_freq_text);
358
359 static const char * const ng_delay_text[] = {
360 "50ms", "100ms", "150ms", "200ms"
361 };
362
363 static const struct soc_enum ng_delay_enum =
364 SOC_ENUM_SINGLE(CS42L56_NOISE_GATE_CTL, 0,
365 ARRAY_SIZE(ng_delay_text), ng_delay_text);
366
367 static const struct snd_kcontrol_new cs42l56_snd_controls[] = {
368
369 SOC_DOUBLE_R_SX_TLV("Master Volume", CS42L56_MASTER_A_VOLUME,
370 CS42L56_MASTER_B_VOLUME, 0, 0x34, 0xE4, adv_tlv),
371 SOC_DOUBLE("Master Mute Switch", CS42L56_DSP_MUTE_CTL, 0, 1, 1, 1),
372
373 SOC_DOUBLE_R_SX_TLV("ADC Mixer Volume", CS42L56_ADCA_MIX_VOLUME,
374 CS42L56_ADCB_MIX_VOLUME, 0, 0x88, 0x90, hl_tlv),
375 SOC_DOUBLE("ADC Mixer Mute Switch", CS42L56_DSP_MUTE_CTL, 6, 7, 1, 1),
376
377 SOC_DOUBLE_R_SX_TLV("PCM Mixer Volume", CS42L56_PCMA_MIX_VOLUME,
378 CS42L56_PCMB_MIX_VOLUME, 0, 0x88, 0x90, hl_tlv),
379 SOC_DOUBLE("PCM Mixer Mute Switch", CS42L56_DSP_MUTE_CTL, 4, 5, 1, 1),
380
381 SOC_SINGLE_TLV("Analog Advisory Volume",
382 CS42L56_ANAINPUT_ADV_VOLUME, 0, 0x00, 1, adv_tlv),
383 SOC_SINGLE_TLV("Digital Advisory Volume",
384 CS42L56_DIGINPUT_ADV_VOLUME, 0, 0x00, 1, adv_tlv),
385
386 SOC_DOUBLE_R_SX_TLV("PGA Volume", CS42L56_PGAA_MUX_VOLUME,
387 CS42L56_PGAB_MUX_VOLUME, 0, 0x34, 0x24, pga_tlv),
388 SOC_DOUBLE_R_TLV("ADC Volume", CS42L56_ADCA_ATTENUATOR,
389 CS42L56_ADCB_ATTENUATOR, 0, 0x00, 1, adc_tlv),
390 SOC_DOUBLE("ADC Mute Switch", CS42L56_MISC_ADC_CTL, 2, 3, 1, 1),
391 SOC_DOUBLE("ADC Boost Switch", CS42L56_GAIN_BIAS_CTL, 3, 2, 1, 1),
392
393 SOC_DOUBLE_R_SX_TLV("Headphone Volume", CS42L56_HPA_VOLUME,
394 CS42L56_HPB_VOLUME, 0, 0x84, 0x48, hl_tlv),
395 SOC_DOUBLE_R_SX_TLV("LineOut Volume", CS42L56_LOA_VOLUME,
396 CS42L56_LOB_VOLUME, 0, 0x84, 0x48, hl_tlv),
397
398 SOC_SINGLE_TLV("Bass Shelving Volume", CS42L56_TONE_CTL,
399 0, 0x00, 1, tone_tlv),
400 SOC_SINGLE_TLV("Treble Shelving Volume", CS42L56_TONE_CTL,
401 4, 0x00, 1, tone_tlv),
402
403 SOC_DOUBLE_TLV("PGA Preamp Volume", CS42L56_GAIN_BIAS_CTL,
404 4, 6, 0x02, 1, preamp_tlv),
405
406 SOC_SINGLE("DSP Switch", CS42L56_PLAYBACK_CTL, 7, 1, 1),
407 SOC_SINGLE("Gang Playback Switch", CS42L56_PLAYBACK_CTL, 4, 1, 1),
408 SOC_SINGLE("Gang ADC Switch", CS42L56_MISC_ADC_CTL, 7, 1, 1),
409 SOC_SINGLE("Gang PGA Switch", CS42L56_MISC_ADC_CTL, 6, 1, 1),
410
411 SOC_SINGLE("PCMA Invert", CS42L56_PLAYBACK_CTL, 2, 1, 1),
412 SOC_SINGLE("PCMB Invert", CS42L56_PLAYBACK_CTL, 3, 1, 1),
413 SOC_SINGLE("ADCA Invert", CS42L56_MISC_ADC_CTL, 2, 1, 1),
414 SOC_SINGLE("ADCB Invert", CS42L56_MISC_ADC_CTL, 3, 1, 1),
415
416 SOC_DOUBLE("HPF Switch", CS42L56_HPF_CTL, 5, 7, 1, 1),
417 SOC_DOUBLE("HPF Freeze Switch", CS42L56_HPF_CTL, 4, 6, 1, 1),
418 SOC_ENUM("HPFA Corner Freq", hpfa_freq_enum),
419 SOC_ENUM("HPFB Corner Freq", hpfb_freq_enum),
420
421 SOC_SINGLE("Analog Soft Ramp", CS42L56_MISC_CTL, 4, 1, 1),
422 SOC_DOUBLE("Analog Soft Ramp Disable", CS42L56_ALC_LIM_SFT_ZC,
423 7, 5, 1, 1),
424 SOC_SINGLE("Analog Zero Cross", CS42L56_MISC_CTL, 3, 1, 1),
425 SOC_DOUBLE("Analog Zero Cross Disable", CS42L56_ALC_LIM_SFT_ZC,
426 6, 4, 1, 1),
427 SOC_SINGLE("Digital Soft Ramp", CS42L56_MISC_CTL, 2, 1, 1),
428 SOC_SINGLE("Digital Soft Ramp Disable", CS42L56_ALC_LIM_SFT_ZC,
429 3, 1, 1),
430
431 SOC_SINGLE("HL Deemphasis", CS42L56_PLAYBACK_CTL, 6, 1, 1),
432
433 SOC_SINGLE("ALC Switch", CS42L56_ALC_EN_ATTACK_RATE, 6, 1, 1),
434 SOC_SINGLE("ALC Limit All Switch", CS42L56_ALC_RELEASE_RATE, 7, 1, 1),
435 SOC_SINGLE_RANGE("ALC Attack", CS42L56_ALC_EN_ATTACK_RATE,
436 0, 0, 0x3f, 0),
437 SOC_SINGLE_RANGE("ALC Release", CS42L56_ALC_RELEASE_RATE,
438 0, 0x3f, 0, 0),
439 SOC_SINGLE_TLV("ALC MAX", CS42L56_ALC_THRESHOLD,
440 5, 0x07, 1, alc_tlv),
441 SOC_SINGLE_TLV("ALC MIN", CS42L56_ALC_THRESHOLD,
442 2, 0x07, 1, alc_tlv),
443
444 SOC_SINGLE("Limiter Switch", CS42L56_LIM_CTL_RELEASE_RATE, 7, 1, 1),
445 SOC_SINGLE("Limit All Switch", CS42L56_LIM_CTL_RELEASE_RATE, 6, 1, 1),
446 SOC_SINGLE_RANGE("Limiter Attack", CS42L56_LIM_ATTACK_RATE,
447 0, 0, 0x3f, 0),
448 SOC_SINGLE_RANGE("Limiter Release", CS42L56_LIM_CTL_RELEASE_RATE,
449 0, 0x3f, 0, 0),
450 SOC_SINGLE_TLV("Limiter MAX", CS42L56_LIM_THRESHOLD_CTL,
451 5, 0x07, 1, alc_tlv),
452 SOC_SINGLE_TLV("Limiter Cushion", CS42L56_ALC_THRESHOLD,
453 2, 0x07, 1, alc_tlv),
454
455 SOC_SINGLE("NG Switch", CS42L56_NOISE_GATE_CTL, 6, 1, 1),
456 SOC_SINGLE("NG All Switch", CS42L56_NOISE_GATE_CTL, 7, 1, 1),
457 SOC_SINGLE("NG Boost Switch", CS42L56_NOISE_GATE_CTL, 5, 1, 1),
458 SOC_SINGLE_TLV("NG Unboost Threshold", CS42L56_NOISE_GATE_CTL,
459 2, 0x07, 1, ngnb_tlv),
460 SOC_SINGLE_TLV("NG Boost Threshold", CS42L56_NOISE_GATE_CTL,
461 2, 0x07, 1, ngb_tlv),
462 SOC_ENUM("NG Delay", ng_delay_enum),
463
464 SOC_ENUM("Beep Config", beep_config_enum),
465 SOC_ENUM("Beep Pitch", beep_pitch_enum),
466 SOC_ENUM("Beep on Time", beep_ontime_enum),
467 SOC_ENUM("Beep off Time", beep_offtime_enum),
468 SOC_SINGLE_SX_TLV("Beep Volume", CS42L56_BEEP_FREQ_OFFTIME,
469 0, 0x07, 0x23, beep_tlv),
470 SOC_SINGLE("Beep Tone Ctl Switch", CS42L56_BEEP_TONE_CFG, 0, 1, 1),
471 SOC_ENUM("Beep Treble Corner Freq", beep_treble_enum),
472 SOC_ENUM("Beep Bass Corner Freq", beep_bass_enum),
473
474 };
475
476 static const struct snd_soc_dapm_widget cs42l56_dapm_widgets[] = {
477
478 SND_SOC_DAPM_SIGGEN("Beep"),
479 SND_SOC_DAPM_SUPPLY("VBUF", CS42L56_PWRCTL_1, 5, 1, NULL, 0),
480 SND_SOC_DAPM_MICBIAS("MIC1 Bias", CS42L56_PWRCTL_1, 4, 1),
481 SND_SOC_DAPM_SUPPLY("Charge Pump", CS42L56_PWRCTL_1, 3, 1, NULL, 0),
482
483 SND_SOC_DAPM_INPUT("AIN1A"),
484 SND_SOC_DAPM_INPUT("AIN2A"),
485 SND_SOC_DAPM_INPUT("AIN1B"),
486 SND_SOC_DAPM_INPUT("AIN2B"),
487 SND_SOC_DAPM_INPUT("AIN3A"),
488 SND_SOC_DAPM_INPUT("AIN3B"),
489
490 SND_SOC_DAPM_AIF_OUT("SDOUT", NULL, 0,
491 SND_SOC_NOPM, 0, 0),
492
493 SND_SOC_DAPM_AIF_IN("SDIN", NULL, 0,
494 SND_SOC_NOPM, 0, 0),
495
496 SND_SOC_DAPM_MUX("Digital Output Mux", SND_SOC_NOPM,
497 0, 0, &dig_mux),
498
499 SND_SOC_DAPM_PGA("PGAA", SND_SOC_NOPM, 0, 0, NULL, 0),
500 SND_SOC_DAPM_PGA("PGAB", SND_SOC_NOPM, 0, 0, NULL, 0),
501 SND_SOC_DAPM_MUX("PGAA Input Mux",
502 SND_SOC_NOPM, 0, 0, &pgaa_mux),
503 SND_SOC_DAPM_MUX("PGAB Input Mux",
504 SND_SOC_NOPM, 0, 0, &pgab_mux),
505
506 SND_SOC_DAPM_MUX("ADCA Mux", SND_SOC_NOPM,
507 0, 0, &adca_mux),
508 SND_SOC_DAPM_MUX("ADCB Mux", SND_SOC_NOPM,
509 0, 0, &adcb_mux),
510
511 SND_SOC_DAPM_ADC("ADCA", NULL, CS42L56_PWRCTL_1, 1, 1),
512 SND_SOC_DAPM_ADC("ADCB", NULL, CS42L56_PWRCTL_1, 2, 1),
513
514 SND_SOC_DAPM_MUX("ADCA Swap Mux", SND_SOC_NOPM, 0, 0,
515 &adca_swap_mux),
516 SND_SOC_DAPM_MUX("ADCB Swap Mux", SND_SOC_NOPM, 0, 0,
517 &adcb_swap_mux),
518
519 SND_SOC_DAPM_MUX("PCMA Swap Mux", SND_SOC_NOPM, 0, 0,
520 &pcma_swap_mux),
521 SND_SOC_DAPM_MUX("PCMB Swap Mux", SND_SOC_NOPM, 0, 0,
522 &pcmb_swap_mux),
523
524 SND_SOC_DAPM_DAC("DACA", NULL, SND_SOC_NOPM, 0, 0),
525 SND_SOC_DAPM_DAC("DACB", NULL, SND_SOC_NOPM, 0, 0),
526
527 SND_SOC_DAPM_OUTPUT("HPA"),
528 SND_SOC_DAPM_OUTPUT("LOA"),
529 SND_SOC_DAPM_OUTPUT("HPB"),
530 SND_SOC_DAPM_OUTPUT("LOB"),
531
532 SND_SOC_DAPM_SWITCH("Headphone Right",
533 CS42L56_PWRCTL_2, 4, 1, &hpb_switch),
534 SND_SOC_DAPM_SWITCH("Headphone Left",
535 CS42L56_PWRCTL_2, 6, 1, &hpa_switch),
536
537 SND_SOC_DAPM_SWITCH("Lineout Right",
538 CS42L56_PWRCTL_2, 0, 1, &lob_switch),
539 SND_SOC_DAPM_SWITCH("Lineout Left",
540 CS42L56_PWRCTL_2, 2, 1, &loa_switch),
541
542 SND_SOC_DAPM_MUX("LINEOUTA Input Mux", SND_SOC_NOPM,
543 0, 0, &lineouta_input),
544 SND_SOC_DAPM_MUX("LINEOUTB Input Mux", SND_SOC_NOPM,
545 0, 0, &lineoutb_input),
546 SND_SOC_DAPM_MUX("HPA Input Mux", SND_SOC_NOPM,
547 0, 0, &hpa_input),
548 SND_SOC_DAPM_MUX("HPB Input Mux", SND_SOC_NOPM,
549 0, 0, &hpb_input),
550
551 };
552
553 static const struct snd_soc_dapm_route cs42l56_audio_map[] = {
554
555 {"HiFi Capture", "DSP", "Digital Output Mux"},
556 {"HiFi Capture", "ADC", "Digital Output Mux"},
557
558 {"Digital Output Mux", NULL, "ADCA"},
559 {"Digital Output Mux", NULL, "ADCB"},
560
561 {"ADCB", NULL, "ADCB Swap Mux"},
562 {"ADCA", NULL, "ADCA Swap Mux"},
563
564 {"ADCA Swap Mux", NULL, "ADCA"},
565 {"ADCB Swap Mux", NULL, "ADCB"},
566
567 {"DACA", "Left", "ADCA Swap Mux"},
568 {"DACA", "LR 2", "ADCA Swap Mux"},
569 {"DACA", "Right", "ADCA Swap Mux"},
570
571 {"DACB", "Left", "ADCB Swap Mux"},
572 {"DACB", "LR 2", "ADCB Swap Mux"},
573 {"DACB", "Right", "ADCB Swap Mux"},
574
575 {"ADCA Mux", NULL, "AIN3A"},
576 {"ADCA Mux", NULL, "AIN2A"},
577 {"ADCA Mux", NULL, "AIN1A"},
578 {"ADCA Mux", NULL, "PGAA"},
579 {"ADCB Mux", NULL, "AIN3B"},
580 {"ADCB Mux", NULL, "AIN2B"},
581 {"ADCB Mux", NULL, "AIN1B"},
582 {"ADCB Mux", NULL, "PGAB"},
583
584 {"PGAA", "AIN1A", "PGAA Input Mux"},
585 {"PGAA", "AIN2A", "PGAA Input Mux"},
586 {"PGAA", "AIN3A", "PGAA Input Mux"},
587 {"PGAB", "AIN1B", "PGAB Input Mux"},
588 {"PGAB", "AIN2B", "PGAB Input Mux"},
589 {"PGAB", "AIN3B", "PGAB Input Mux"},
590
591 {"PGAA Input Mux", NULL, "AIN1A"},
592 {"PGAA Input Mux", NULL, "AIN2A"},
593 {"PGAA Input Mux", NULL, "AIN3A"},
594 {"PGAB Input Mux", NULL, "AIN1B"},
595 {"PGAB Input Mux", NULL, "AIN2B"},
596 {"PGAB Input Mux", NULL, "AIN3B"},
597
598 {"LOB", "Switch", "LINEOUTB Input Mux"},
599 {"LOA", "Switch", "LINEOUTA Input Mux"},
600
601 {"LINEOUTA Input Mux", "PGAA", "PGAA"},
602 {"LINEOUTB Input Mux", "PGAB", "PGAB"},
603 {"LINEOUTA Input Mux", "DACA", "DACA"},
604 {"LINEOUTB Input Mux", "DACB", "DACB"},
605
606 {"HPA", "Switch", "HPB Input Mux"},
607 {"HPB", "Switch", "HPA Input Mux"},
608
609 {"HPA Input Mux", "PGAA", "PGAA"},
610 {"HPB Input Mux", "PGAB", "PGAB"},
611 {"HPA Input Mux", "DACA", "DACA"},
612 {"HPB Input Mux", "DACB", "DACB"},
613
614 {"DACA", NULL, "PCMA Swap Mux"},
615 {"DACB", NULL, "PCMB Swap Mux"},
616
617 {"PCMB Swap Mux", "Left", "HiFi Playback"},
618 {"PCMB Swap Mux", "LR 2", "HiFi Playback"},
619 {"PCMB Swap Mux", "Right", "HiFi Playback"},
620
621 {"PCMA Swap Mux", "Left", "HiFi Playback"},
622 {"PCMA Swap Mux", "LR 2", "HiFi Playback"},
623 {"PCMA Swap Mux", "Right", "HiFi Playback"},
624
625 };
626
627 struct cs42l56_clk_para {
628 u32 mclk;
629 u32 srate;
630 u8 ratio;
631 };
632
633 static const struct cs42l56_clk_para clk_ratio_table[] = {
634 /* 8k */
635 { 6000000, 8000, CS42L56_MCLK_LRCLK_768 },
636 { 6144000, 8000, CS42L56_MCLK_LRCLK_750 },
637 { 12000000, 8000, CS42L56_MCLK_LRCLK_768 },
638 { 12288000, 8000, CS42L56_MCLK_LRCLK_750 },
639 { 24000000, 8000, CS42L56_MCLK_LRCLK_768 },
640 { 24576000, 8000, CS42L56_MCLK_LRCLK_750 },
641 /* 11.025k */
642 { 5644800, 11025, CS42L56_MCLK_LRCLK_512},
643 { 11289600, 11025, CS42L56_MCLK_LRCLK_512},
644 { 22579200, 11025, CS42L56_MCLK_LRCLK_512 },
645 /* 11.0294k */
646 { 6000000, 110294, CS42L56_MCLK_LRCLK_544 },
647 { 12000000, 110294, CS42L56_MCLK_LRCLK_544 },
648 { 24000000, 110294, CS42L56_MCLK_LRCLK_544 },
649 /* 12k */
650 { 6000000, 12000, CS42L56_MCLK_LRCLK_500 },
651 { 6144000, 12000, CS42L56_MCLK_LRCLK_512 },
652 { 12000000, 12000, CS42L56_MCLK_LRCLK_500 },
653 { 12288000, 12000, CS42L56_MCLK_LRCLK_512 },
654 { 24000000, 12000, CS42L56_MCLK_LRCLK_500 },
655 { 24576000, 12000, CS42L56_MCLK_LRCLK_512 },
656 /* 16k */
657 { 6000000, 16000, CS42L56_MCLK_LRCLK_375 },
658 { 6144000, 16000, CS42L56_MCLK_LRCLK_384 },
659 { 12000000, 16000, CS42L56_MCLK_LRCLK_375 },
660 { 12288000, 16000, CS42L56_MCLK_LRCLK_384 },
661 { 24000000, 16000, CS42L56_MCLK_LRCLK_375 },
662 { 24576000, 16000, CS42L56_MCLK_LRCLK_384 },
663 /* 22.050k */
664 { 5644800, 22050, CS42L56_MCLK_LRCLK_256 },
665 { 11289600, 22050, CS42L56_MCLK_LRCLK_256 },
666 { 22579200, 22050, CS42L56_MCLK_LRCLK_256 },
667 /* 22.0588k */
668 { 6000000, 220588, CS42L56_MCLK_LRCLK_272 },
669 { 12000000, 220588, CS42L56_MCLK_LRCLK_272 },
670 { 24000000, 220588, CS42L56_MCLK_LRCLK_272 },
671 /* 24k */
672 { 6000000, 24000, CS42L56_MCLK_LRCLK_250 },
673 { 6144000, 24000, CS42L56_MCLK_LRCLK_256 },
674 { 12000000, 24000, CS42L56_MCLK_LRCLK_250 },
675 { 12288000, 24000, CS42L56_MCLK_LRCLK_256 },
676 { 24000000, 24000, CS42L56_MCLK_LRCLK_250 },
677 { 24576000, 24000, CS42L56_MCLK_LRCLK_256 },
678 /* 32k */
679 { 6000000, 32000, CS42L56_MCLK_LRCLK_187P5 },
680 { 6144000, 32000, CS42L56_MCLK_LRCLK_192 },
681 { 12000000, 32000, CS42L56_MCLK_LRCLK_187P5 },
682 { 12288000, 32000, CS42L56_MCLK_LRCLK_192 },
683 { 24000000, 32000, CS42L56_MCLK_LRCLK_187P5 },
684 { 24576000, 32000, CS42L56_MCLK_LRCLK_192 },
685 /* 44.118k */
686 { 6000000, 44118, CS42L56_MCLK_LRCLK_136 },
687 { 12000000, 44118, CS42L56_MCLK_LRCLK_136 },
688 { 24000000, 44118, CS42L56_MCLK_LRCLK_136 },
689 /* 44.1k */
690 { 5644800, 44100, CS42L56_MCLK_LRCLK_128 },
691 { 11289600, 44100, CS42L56_MCLK_LRCLK_128 },
692 { 22579200, 44100, CS42L56_MCLK_LRCLK_128 },
693 /* 48k */
694 { 6000000, 48000, CS42L56_MCLK_LRCLK_125 },
695 { 6144000, 48000, CS42L56_MCLK_LRCLK_128 },
696 { 12000000, 48000, CS42L56_MCLK_LRCLK_125 },
697 { 12288000, 48000, CS42L56_MCLK_LRCLK_128 },
698 { 24000000, 48000, CS42L56_MCLK_LRCLK_125 },
699 { 24576000, 48000, CS42L56_MCLK_LRCLK_128 },
700 };
701
cs42l56_get_mclk_ratio(int mclk,int rate)702 static int cs42l56_get_mclk_ratio(int mclk, int rate)
703 {
704 int i;
705
706 for (i = 0; i < ARRAY_SIZE(clk_ratio_table); i++) {
707 if (clk_ratio_table[i].mclk == mclk &&
708 clk_ratio_table[i].srate == rate)
709 return clk_ratio_table[i].ratio;
710 }
711 return -EINVAL;
712 }
713
cs42l56_set_sysclk(struct snd_soc_dai * codec_dai,int clk_id,unsigned int freq,int dir)714 static int cs42l56_set_sysclk(struct snd_soc_dai *codec_dai,
715 int clk_id, unsigned int freq, int dir)
716 {
717 struct snd_soc_component *component = codec_dai->component;
718 struct cs42l56_private *cs42l56 = snd_soc_component_get_drvdata(component);
719
720 switch (freq) {
721 case CS42L56_MCLK_5P6448MHZ:
722 case CS42L56_MCLK_6MHZ:
723 case CS42L56_MCLK_6P144MHZ:
724 cs42l56->mclk_div2 = 0;
725 cs42l56->mclk_prediv = 0;
726 break;
727 case CS42L56_MCLK_11P2896MHZ:
728 case CS42L56_MCLK_12MHZ:
729 case CS42L56_MCLK_12P288MHZ:
730 cs42l56->mclk_div2 = CS42L56_MCLK_DIV2;
731 cs42l56->mclk_prediv = 0;
732 break;
733 case CS42L56_MCLK_22P5792MHZ:
734 case CS42L56_MCLK_24MHZ:
735 case CS42L56_MCLK_24P576MHZ:
736 cs42l56->mclk_div2 = CS42L56_MCLK_DIV2;
737 cs42l56->mclk_prediv = CS42L56_MCLK_PREDIV;
738 break;
739 default:
740 return -EINVAL;
741 }
742 cs42l56->mclk = freq;
743
744 snd_soc_component_update_bits(component, CS42L56_CLKCTL_1,
745 CS42L56_MCLK_PREDIV_MASK,
746 cs42l56->mclk_prediv);
747 snd_soc_component_update_bits(component, CS42L56_CLKCTL_1,
748 CS42L56_MCLK_DIV2_MASK,
749 cs42l56->mclk_div2);
750
751 return 0;
752 }
753
cs42l56_set_dai_fmt(struct snd_soc_dai * codec_dai,unsigned int fmt)754 static int cs42l56_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
755 {
756 struct snd_soc_component *component = codec_dai->component;
757 struct cs42l56_private *cs42l56 = snd_soc_component_get_drvdata(component);
758
759 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
760 case SND_SOC_DAIFMT_CBM_CFM:
761 cs42l56->iface = CS42L56_MASTER_MODE;
762 break;
763 case SND_SOC_DAIFMT_CBS_CFS:
764 cs42l56->iface = CS42L56_SLAVE_MODE;
765 break;
766 default:
767 return -EINVAL;
768 }
769
770 /* interface format */
771 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
772 case SND_SOC_DAIFMT_I2S:
773 cs42l56->iface_fmt = CS42L56_DIG_FMT_I2S;
774 break;
775 case SND_SOC_DAIFMT_LEFT_J:
776 cs42l56->iface_fmt = CS42L56_DIG_FMT_LEFT_J;
777 break;
778 default:
779 return -EINVAL;
780 }
781
782 /* sclk inversion */
783 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
784 case SND_SOC_DAIFMT_NB_NF:
785 cs42l56->iface_inv = 0;
786 break;
787 case SND_SOC_DAIFMT_IB_NF:
788 cs42l56->iface_inv = CS42L56_SCLK_INV;
789 break;
790 default:
791 return -EINVAL;
792 }
793
794 snd_soc_component_update_bits(component, CS42L56_CLKCTL_1,
795 CS42L56_MS_MODE_MASK, cs42l56->iface);
796 snd_soc_component_update_bits(component, CS42L56_SERIAL_FMT,
797 CS42L56_DIG_FMT_MASK, cs42l56->iface_fmt);
798 snd_soc_component_update_bits(component, CS42L56_CLKCTL_1,
799 CS42L56_SCLK_INV_MASK, cs42l56->iface_inv);
800 return 0;
801 }
802
cs42l56_mute(struct snd_soc_dai * dai,int mute,int direction)803 static int cs42l56_mute(struct snd_soc_dai *dai, int mute, int direction)
804 {
805 struct snd_soc_component *component = dai->component;
806
807 if (mute) {
808 /* Hit the DSP Mixer first */
809 snd_soc_component_update_bits(component, CS42L56_DSP_MUTE_CTL,
810 CS42L56_ADCAMIX_MUTE_MASK |
811 CS42L56_ADCBMIX_MUTE_MASK |
812 CS42L56_PCMAMIX_MUTE_MASK |
813 CS42L56_PCMBMIX_MUTE_MASK |
814 CS42L56_MSTB_MUTE_MASK |
815 CS42L56_MSTA_MUTE_MASK,
816 CS42L56_MUTE_ALL);
817 /* Mute ADC's */
818 snd_soc_component_update_bits(component, CS42L56_MISC_ADC_CTL,
819 CS42L56_ADCA_MUTE_MASK |
820 CS42L56_ADCB_MUTE_MASK,
821 CS42L56_MUTE_ALL);
822 /* HP And LO */
823 snd_soc_component_update_bits(component, CS42L56_HPA_VOLUME,
824 CS42L56_HP_MUTE_MASK, CS42L56_MUTE_ALL);
825 snd_soc_component_update_bits(component, CS42L56_HPB_VOLUME,
826 CS42L56_HP_MUTE_MASK, CS42L56_MUTE_ALL);
827 snd_soc_component_update_bits(component, CS42L56_LOA_VOLUME,
828 CS42L56_LO_MUTE_MASK, CS42L56_MUTE_ALL);
829 snd_soc_component_update_bits(component, CS42L56_LOB_VOLUME,
830 CS42L56_LO_MUTE_MASK, CS42L56_MUTE_ALL);
831 } else {
832 snd_soc_component_update_bits(component, CS42L56_DSP_MUTE_CTL,
833 CS42L56_ADCAMIX_MUTE_MASK |
834 CS42L56_ADCBMIX_MUTE_MASK |
835 CS42L56_PCMAMIX_MUTE_MASK |
836 CS42L56_PCMBMIX_MUTE_MASK |
837 CS42L56_MSTB_MUTE_MASK |
838 CS42L56_MSTA_MUTE_MASK,
839 CS42L56_UNMUTE);
840
841 snd_soc_component_update_bits(component, CS42L56_MISC_ADC_CTL,
842 CS42L56_ADCA_MUTE_MASK |
843 CS42L56_ADCB_MUTE_MASK,
844 CS42L56_UNMUTE);
845
846 snd_soc_component_update_bits(component, CS42L56_HPA_VOLUME,
847 CS42L56_HP_MUTE_MASK, CS42L56_UNMUTE);
848 snd_soc_component_update_bits(component, CS42L56_HPB_VOLUME,
849 CS42L56_HP_MUTE_MASK, CS42L56_UNMUTE);
850 snd_soc_component_update_bits(component, CS42L56_LOA_VOLUME,
851 CS42L56_LO_MUTE_MASK, CS42L56_UNMUTE);
852 snd_soc_component_update_bits(component, CS42L56_LOB_VOLUME,
853 CS42L56_LO_MUTE_MASK, CS42L56_UNMUTE);
854 }
855 return 0;
856 }
857
cs42l56_pcm_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)858 static int cs42l56_pcm_hw_params(struct snd_pcm_substream *substream,
859 struct snd_pcm_hw_params *params,
860 struct snd_soc_dai *dai)
861 {
862 struct snd_soc_component *component = dai->component;
863 struct cs42l56_private *cs42l56 = snd_soc_component_get_drvdata(component);
864 int ratio;
865
866 ratio = cs42l56_get_mclk_ratio(cs42l56->mclk, params_rate(params));
867 if (ratio >= 0) {
868 snd_soc_component_update_bits(component, CS42L56_CLKCTL_2,
869 CS42L56_CLK_RATIO_MASK, ratio);
870 } else {
871 dev_err(component->dev, "unsupported mclk/sclk/lrclk ratio\n");
872 return -EINVAL;
873 }
874
875 return 0;
876 }
877
cs42l56_set_bias_level(struct snd_soc_component * component,enum snd_soc_bias_level level)878 static int cs42l56_set_bias_level(struct snd_soc_component *component,
879 enum snd_soc_bias_level level)
880 {
881 struct cs42l56_private *cs42l56 = snd_soc_component_get_drvdata(component);
882 int ret;
883
884 switch (level) {
885 case SND_SOC_BIAS_ON:
886 break;
887 case SND_SOC_BIAS_PREPARE:
888 snd_soc_component_update_bits(component, CS42L56_CLKCTL_1,
889 CS42L56_MCLK_DIS_MASK, 0);
890 snd_soc_component_update_bits(component, CS42L56_PWRCTL_1,
891 CS42L56_PDN_ALL_MASK, 0);
892 break;
893 case SND_SOC_BIAS_STANDBY:
894 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
895 regcache_cache_only(cs42l56->regmap, false);
896 regcache_sync(cs42l56->regmap);
897 ret = regulator_bulk_enable(ARRAY_SIZE(cs42l56->supplies),
898 cs42l56->supplies);
899 if (ret != 0) {
900 dev_err(cs42l56->dev,
901 "Failed to enable regulators: %d\n",
902 ret);
903 return ret;
904 }
905 }
906 snd_soc_component_update_bits(component, CS42L56_PWRCTL_1,
907 CS42L56_PDN_ALL_MASK, 1);
908 break;
909 case SND_SOC_BIAS_OFF:
910 snd_soc_component_update_bits(component, CS42L56_PWRCTL_1,
911 CS42L56_PDN_ALL_MASK, 1);
912 snd_soc_component_update_bits(component, CS42L56_CLKCTL_1,
913 CS42L56_MCLK_DIS_MASK, 1);
914 regcache_cache_only(cs42l56->regmap, true);
915 regulator_bulk_disable(ARRAY_SIZE(cs42l56->supplies),
916 cs42l56->supplies);
917 break;
918 }
919
920 return 0;
921 }
922
923 #define CS42L56_RATES (SNDRV_PCM_RATE_8000_48000)
924
925 #define CS42L56_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S18_3LE | \
926 SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE | \
927 SNDRV_PCM_FMTBIT_S32_LE)
928
929
930 static const struct snd_soc_dai_ops cs42l56_ops = {
931 .hw_params = cs42l56_pcm_hw_params,
932 .mute_stream = cs42l56_mute,
933 .set_fmt = cs42l56_set_dai_fmt,
934 .set_sysclk = cs42l56_set_sysclk,
935 .no_capture_mute = 1,
936 };
937
938 static struct snd_soc_dai_driver cs42l56_dai = {
939 .name = "cs42l56",
940 .playback = {
941 .stream_name = "HiFi Playback",
942 .channels_min = 1,
943 .channels_max = 2,
944 .rates = CS42L56_RATES,
945 .formats = CS42L56_FORMATS,
946 },
947 .capture = {
948 .stream_name = "HiFi Capture",
949 .channels_min = 1,
950 .channels_max = 2,
951 .rates = CS42L56_RATES,
952 .formats = CS42L56_FORMATS,
953 },
954 .ops = &cs42l56_ops,
955 };
956
957 static int beep_freq[] = {
958 261, 522, 585, 667, 706, 774, 889, 1000,
959 1043, 1200, 1333, 1412, 1600, 1714, 2000, 2182
960 };
961
cs42l56_beep_work(struct work_struct * work)962 static void cs42l56_beep_work(struct work_struct *work)
963 {
964 struct cs42l56_private *cs42l56 =
965 container_of(work, struct cs42l56_private, beep_work);
966 struct snd_soc_component *component = cs42l56->component;
967 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
968 int i;
969 int val = 0;
970 int best = 0;
971
972 if (cs42l56->beep_rate) {
973 for (i = 0; i < ARRAY_SIZE(beep_freq); i++) {
974 if (abs(cs42l56->beep_rate - beep_freq[i]) <
975 abs(cs42l56->beep_rate - beep_freq[best]))
976 best = i;
977 }
978
979 dev_dbg(component->dev, "Set beep rate %dHz for requested %dHz\n",
980 beep_freq[best], cs42l56->beep_rate);
981
982 val = (best << CS42L56_BEEP_RATE_SHIFT);
983
984 snd_soc_dapm_enable_pin(dapm, "Beep");
985 } else {
986 dev_dbg(component->dev, "Disabling beep\n");
987 snd_soc_dapm_disable_pin(dapm, "Beep");
988 }
989
990 snd_soc_component_update_bits(component, CS42L56_BEEP_FREQ_ONTIME,
991 CS42L56_BEEP_FREQ_MASK, val);
992
993 snd_soc_dapm_sync(dapm);
994 }
995
996 /* For usability define a way of injecting beep events for the device -
997 * many systems will not have a keyboard.
998 */
cs42l56_beep_event(struct input_dev * dev,unsigned int type,unsigned int code,int hz)999 static int cs42l56_beep_event(struct input_dev *dev, unsigned int type,
1000 unsigned int code, int hz)
1001 {
1002 struct snd_soc_component *component = input_get_drvdata(dev);
1003 struct cs42l56_private *cs42l56 = snd_soc_component_get_drvdata(component);
1004
1005 dev_dbg(component->dev, "Beep event %x %x\n", code, hz);
1006
1007 switch (code) {
1008 case SND_BELL:
1009 if (hz)
1010 hz = 261;
1011 case SND_TONE:
1012 break;
1013 default:
1014 return -1;
1015 }
1016
1017 /* Kick the beep from a workqueue */
1018 cs42l56->beep_rate = hz;
1019 schedule_work(&cs42l56->beep_work);
1020 return 0;
1021 }
1022
cs42l56_beep_set(struct device * dev,struct device_attribute * attr,const char * buf,size_t count)1023 static ssize_t cs42l56_beep_set(struct device *dev,
1024 struct device_attribute *attr,
1025 const char *buf, size_t count)
1026 {
1027 struct cs42l56_private *cs42l56 = dev_get_drvdata(dev);
1028 long int time;
1029 int ret;
1030
1031 ret = kstrtol(buf, 10, &time);
1032 if (ret != 0)
1033 return ret;
1034
1035 input_event(cs42l56->beep, EV_SND, SND_TONE, time);
1036
1037 return count;
1038 }
1039
1040 static DEVICE_ATTR(beep, 0200, NULL, cs42l56_beep_set);
1041
cs42l56_init_beep(struct snd_soc_component * component)1042 static void cs42l56_init_beep(struct snd_soc_component *component)
1043 {
1044 struct cs42l56_private *cs42l56 = snd_soc_component_get_drvdata(component);
1045 int ret;
1046
1047 cs42l56->beep = devm_input_allocate_device(component->dev);
1048 if (!cs42l56->beep) {
1049 dev_err(component->dev, "Failed to allocate beep device\n");
1050 return;
1051 }
1052
1053 INIT_WORK(&cs42l56->beep_work, cs42l56_beep_work);
1054 cs42l56->beep_rate = 0;
1055
1056 cs42l56->beep->name = "CS42L56 Beep Generator";
1057 cs42l56->beep->phys = dev_name(component->dev);
1058 cs42l56->beep->id.bustype = BUS_I2C;
1059
1060 cs42l56->beep->evbit[0] = BIT_MASK(EV_SND);
1061 cs42l56->beep->sndbit[0] = BIT_MASK(SND_BELL) | BIT_MASK(SND_TONE);
1062 cs42l56->beep->event = cs42l56_beep_event;
1063 cs42l56->beep->dev.parent = component->dev;
1064 input_set_drvdata(cs42l56->beep, component);
1065
1066 ret = input_register_device(cs42l56->beep);
1067 if (ret != 0) {
1068 cs42l56->beep = NULL;
1069 dev_err(component->dev, "Failed to register beep device\n");
1070 }
1071
1072 ret = device_create_file(component->dev, &dev_attr_beep);
1073 if (ret != 0) {
1074 dev_err(component->dev, "Failed to create keyclick file: %d\n",
1075 ret);
1076 }
1077 }
1078
cs42l56_free_beep(struct snd_soc_component * component)1079 static void cs42l56_free_beep(struct snd_soc_component *component)
1080 {
1081 struct cs42l56_private *cs42l56 = snd_soc_component_get_drvdata(component);
1082
1083 device_remove_file(component->dev, &dev_attr_beep);
1084 cancel_work_sync(&cs42l56->beep_work);
1085 cs42l56->beep = NULL;
1086
1087 snd_soc_component_update_bits(component, CS42L56_BEEP_TONE_CFG,
1088 CS42L56_BEEP_EN_MASK, 0);
1089 }
1090
cs42l56_probe(struct snd_soc_component * component)1091 static int cs42l56_probe(struct snd_soc_component *component)
1092 {
1093 cs42l56_init_beep(component);
1094
1095 return 0;
1096 }
1097
cs42l56_remove(struct snd_soc_component * component)1098 static void cs42l56_remove(struct snd_soc_component *component)
1099 {
1100 cs42l56_free_beep(component);
1101 }
1102
1103 static const struct snd_soc_component_driver soc_component_dev_cs42l56 = {
1104 .probe = cs42l56_probe,
1105 .remove = cs42l56_remove,
1106 .set_bias_level = cs42l56_set_bias_level,
1107 .controls = cs42l56_snd_controls,
1108 .num_controls = ARRAY_SIZE(cs42l56_snd_controls),
1109 .dapm_widgets = cs42l56_dapm_widgets,
1110 .num_dapm_widgets = ARRAY_SIZE(cs42l56_dapm_widgets),
1111 .dapm_routes = cs42l56_audio_map,
1112 .num_dapm_routes = ARRAY_SIZE(cs42l56_audio_map),
1113 .suspend_bias_off = 1,
1114 .idle_bias_on = 1,
1115 .use_pmdown_time = 1,
1116 .endianness = 1,
1117 .non_legacy_dai_naming = 1,
1118 };
1119
1120 static const struct regmap_config cs42l56_regmap = {
1121 .reg_bits = 8,
1122 .val_bits = 8,
1123
1124 .max_register = CS42L56_MAX_REGISTER,
1125 .reg_defaults = cs42l56_reg_defaults,
1126 .num_reg_defaults = ARRAY_SIZE(cs42l56_reg_defaults),
1127 .readable_reg = cs42l56_readable_register,
1128 .volatile_reg = cs42l56_volatile_register,
1129 .cache_type = REGCACHE_RBTREE,
1130 };
1131
cs42l56_handle_of_data(struct i2c_client * i2c_client,struct cs42l56_platform_data * pdata)1132 static int cs42l56_handle_of_data(struct i2c_client *i2c_client,
1133 struct cs42l56_platform_data *pdata)
1134 {
1135 struct device_node *np = i2c_client->dev.of_node;
1136 u32 val32;
1137
1138 if (of_property_read_bool(np, "cirrus,ain1a-reference-cfg"))
1139 pdata->ain1a_ref_cfg = true;
1140
1141 if (of_property_read_bool(np, "cirrus,ain2a-reference-cfg"))
1142 pdata->ain2a_ref_cfg = true;
1143
1144 if (of_property_read_bool(np, "cirrus,ain1b-reference-cfg"))
1145 pdata->ain1b_ref_cfg = true;
1146
1147 if (of_property_read_bool(np, "cirrus,ain2b-reference-cfg"))
1148 pdata->ain2b_ref_cfg = true;
1149
1150 if (of_property_read_u32(np, "cirrus,micbias-lvl", &val32) >= 0)
1151 pdata->micbias_lvl = val32;
1152
1153 if (of_property_read_u32(np, "cirrus,chgfreq-divisor", &val32) >= 0)
1154 pdata->chgfreq = val32;
1155
1156 if (of_property_read_u32(np, "cirrus,adaptive-pwr-cfg", &val32) >= 0)
1157 pdata->adaptive_pwr = val32;
1158
1159 if (of_property_read_u32(np, "cirrus,hpf-left-freq", &val32) >= 0)
1160 pdata->hpfa_freq = val32;
1161
1162 if (of_property_read_u32(np, "cirrus,hpf-left-freq", &val32) >= 0)
1163 pdata->hpfb_freq = val32;
1164
1165 pdata->gpio_nreset = of_get_named_gpio(np, "cirrus,gpio-nreset", 0);
1166
1167 return 0;
1168 }
1169
cs42l56_i2c_probe(struct i2c_client * i2c_client,const struct i2c_device_id * id)1170 static int cs42l56_i2c_probe(struct i2c_client *i2c_client,
1171 const struct i2c_device_id *id)
1172 {
1173 struct cs42l56_private *cs42l56;
1174 struct cs42l56_platform_data *pdata =
1175 dev_get_platdata(&i2c_client->dev);
1176 int ret, i;
1177 unsigned int devid = 0;
1178 unsigned int alpha_rev, metal_rev;
1179 unsigned int reg;
1180
1181 cs42l56 = devm_kzalloc(&i2c_client->dev, sizeof(*cs42l56), GFP_KERNEL);
1182 if (cs42l56 == NULL)
1183 return -ENOMEM;
1184 cs42l56->dev = &i2c_client->dev;
1185
1186 cs42l56->regmap = devm_regmap_init_i2c(i2c_client, &cs42l56_regmap);
1187 if (IS_ERR(cs42l56->regmap)) {
1188 ret = PTR_ERR(cs42l56->regmap);
1189 dev_err(&i2c_client->dev, "regmap_init() failed: %d\n", ret);
1190 return ret;
1191 }
1192
1193 if (pdata) {
1194 cs42l56->pdata = *pdata;
1195 } else {
1196 pdata = devm_kzalloc(&i2c_client->dev, sizeof(*pdata),
1197 GFP_KERNEL);
1198 if (!pdata)
1199 return -ENOMEM;
1200
1201 if (i2c_client->dev.of_node) {
1202 ret = cs42l56_handle_of_data(i2c_client,
1203 &cs42l56->pdata);
1204 if (ret != 0)
1205 return ret;
1206 }
1207 cs42l56->pdata = *pdata;
1208 }
1209
1210 if (cs42l56->pdata.gpio_nreset) {
1211 ret = gpio_request_one(cs42l56->pdata.gpio_nreset,
1212 GPIOF_OUT_INIT_HIGH, "CS42L56 /RST");
1213 if (ret < 0) {
1214 dev_err(&i2c_client->dev,
1215 "Failed to request /RST %d: %d\n",
1216 cs42l56->pdata.gpio_nreset, ret);
1217 return ret;
1218 }
1219 gpio_set_value_cansleep(cs42l56->pdata.gpio_nreset, 0);
1220 gpio_set_value_cansleep(cs42l56->pdata.gpio_nreset, 1);
1221 }
1222
1223
1224 i2c_set_clientdata(i2c_client, cs42l56);
1225
1226 for (i = 0; i < ARRAY_SIZE(cs42l56->supplies); i++)
1227 cs42l56->supplies[i].supply = cs42l56_supply_names[i];
1228
1229 ret = devm_regulator_bulk_get(&i2c_client->dev,
1230 ARRAY_SIZE(cs42l56->supplies),
1231 cs42l56->supplies);
1232 if (ret != 0) {
1233 dev_err(&i2c_client->dev,
1234 "Failed to request supplies: %d\n", ret);
1235 return ret;
1236 }
1237
1238 ret = regulator_bulk_enable(ARRAY_SIZE(cs42l56->supplies),
1239 cs42l56->supplies);
1240 if (ret != 0) {
1241 dev_err(&i2c_client->dev,
1242 "Failed to enable supplies: %d\n", ret);
1243 return ret;
1244 }
1245
1246 ret = regmap_read(cs42l56->regmap, CS42L56_CHIP_ID_1, ®);
1247 devid = reg & CS42L56_CHIP_ID_MASK;
1248 if (devid != CS42L56_DEVID) {
1249 dev_err(&i2c_client->dev,
1250 "CS42L56 Device ID (%X). Expected %X\n",
1251 devid, CS42L56_DEVID);
1252 ret = -EINVAL;
1253 goto err_enable;
1254 }
1255 alpha_rev = reg & CS42L56_AREV_MASK;
1256 metal_rev = reg & CS42L56_MTLREV_MASK;
1257
1258 dev_info(&i2c_client->dev, "Cirrus Logic CS42L56 ");
1259 dev_info(&i2c_client->dev, "Alpha Rev %X Metal Rev %X\n",
1260 alpha_rev, metal_rev);
1261
1262 if (cs42l56->pdata.ain1a_ref_cfg)
1263 regmap_update_bits(cs42l56->regmap, CS42L56_AIN_REFCFG_ADC_MUX,
1264 CS42L56_AIN1A_REF_MASK,
1265 CS42L56_AIN1A_REF_MASK);
1266
1267 if (cs42l56->pdata.ain1b_ref_cfg)
1268 regmap_update_bits(cs42l56->regmap, CS42L56_AIN_REFCFG_ADC_MUX,
1269 CS42L56_AIN1B_REF_MASK,
1270 CS42L56_AIN1B_REF_MASK);
1271
1272 if (cs42l56->pdata.ain2a_ref_cfg)
1273 regmap_update_bits(cs42l56->regmap, CS42L56_AIN_REFCFG_ADC_MUX,
1274 CS42L56_AIN2A_REF_MASK,
1275 CS42L56_AIN2A_REF_MASK);
1276
1277 if (cs42l56->pdata.ain2b_ref_cfg)
1278 regmap_update_bits(cs42l56->regmap, CS42L56_AIN_REFCFG_ADC_MUX,
1279 CS42L56_AIN2B_REF_MASK,
1280 CS42L56_AIN2B_REF_MASK);
1281
1282 if (cs42l56->pdata.micbias_lvl)
1283 regmap_update_bits(cs42l56->regmap, CS42L56_GAIN_BIAS_CTL,
1284 CS42L56_MIC_BIAS_MASK,
1285 cs42l56->pdata.micbias_lvl);
1286
1287 if (cs42l56->pdata.chgfreq)
1288 regmap_update_bits(cs42l56->regmap, CS42L56_CLASSH_CTL,
1289 CS42L56_CHRG_FREQ_MASK,
1290 cs42l56->pdata.chgfreq);
1291
1292 if (cs42l56->pdata.hpfb_freq)
1293 regmap_update_bits(cs42l56->regmap, CS42L56_HPF_CTL,
1294 CS42L56_HPFB_FREQ_MASK,
1295 cs42l56->pdata.hpfb_freq);
1296
1297 if (cs42l56->pdata.hpfa_freq)
1298 regmap_update_bits(cs42l56->regmap, CS42L56_HPF_CTL,
1299 CS42L56_HPFA_FREQ_MASK,
1300 cs42l56->pdata.hpfa_freq);
1301
1302 if (cs42l56->pdata.adaptive_pwr)
1303 regmap_update_bits(cs42l56->regmap, CS42L56_CLASSH_CTL,
1304 CS42L56_ADAPT_PWR_MASK,
1305 cs42l56->pdata.adaptive_pwr);
1306
1307 ret = devm_snd_soc_register_component(&i2c_client->dev,
1308 &soc_component_dev_cs42l56, &cs42l56_dai, 1);
1309 if (ret < 0)
1310 goto err_enable;
1311
1312 return 0;
1313
1314 err_enable:
1315 regulator_bulk_disable(ARRAY_SIZE(cs42l56->supplies),
1316 cs42l56->supplies);
1317 return ret;
1318 }
1319
cs42l56_i2c_remove(struct i2c_client * client)1320 static int cs42l56_i2c_remove(struct i2c_client *client)
1321 {
1322 struct cs42l56_private *cs42l56 = i2c_get_clientdata(client);
1323
1324 regulator_bulk_disable(ARRAY_SIZE(cs42l56->supplies),
1325 cs42l56->supplies);
1326 return 0;
1327 }
1328
1329 static const struct of_device_id cs42l56_of_match[] = {
1330 { .compatible = "cirrus,cs42l56", },
1331 { }
1332 };
1333 MODULE_DEVICE_TABLE(of, cs42l56_of_match);
1334
1335
1336 static const struct i2c_device_id cs42l56_id[] = {
1337 { "cs42l56", 0 },
1338 { }
1339 };
1340 MODULE_DEVICE_TABLE(i2c, cs42l56_id);
1341
1342 static struct i2c_driver cs42l56_i2c_driver = {
1343 .driver = {
1344 .name = "cs42l56",
1345 .of_match_table = cs42l56_of_match,
1346 },
1347 .id_table = cs42l56_id,
1348 .probe = cs42l56_i2c_probe,
1349 .remove = cs42l56_i2c_remove,
1350 };
1351
1352 module_i2c_driver(cs42l56_i2c_driver);
1353
1354 MODULE_DESCRIPTION("ASoC CS42L56 driver");
1355 MODULE_AUTHOR("Brian Austin, Cirrus Logic Inc, <brian.austin@cirrus.com>");
1356 MODULE_LICENSE("GPL");
1357