1 // SPDX-License-Identifier: GPL-2.0-only
3 * wm8960.c -- WM8960 ALSA SoC Audio driver
5 * Copyright 2007-11 Wolfson Microelectronics, plc
7 * Author: Liam Girdwood
10 #include <linux/module.h>
11 #include <linux/moduleparam.h>
12 #include <linux/init.h>
13 #include <linux/delay.h>
15 #include <linux/clk.h>
16 #include <linux/i2c.h>
17 #include <linux/acpi.h>
18 #include <linux/slab.h>
19 #include <sound/core.h>
20 #include <sound/pcm.h>
21 #include <sound/pcm_params.h>
22 #include <sound/soc.h>
23 #include <sound/initval.h>
24 #include <sound/tlv.h>
25 #include <sound/wm8960.h>
30 #define WM8960_VMID_MASK 0x180
31 #define WM8960_VREF 0x40
34 #define WM8960_PWR2_LOUT1 0x40
35 #define WM8960_PWR2_ROUT1 0x20
36 #define WM8960_PWR2_OUT3 0x02
38 /* R28 - Anti-pop 1 */
39 #define WM8960_POBCTRL 0x80
40 #define WM8960_BUFDCOPEN 0x10
41 #define WM8960_BUFIOEN 0x08
42 #define WM8960_SOFT_ST 0x04
43 #define WM8960_HPSTBY 0x01
45 /* R29 - Anti-pop 2 */
46 #define WM8960_DISOP 0x40
47 #define WM8960_DRES_MASK 0x30
49 #define WM8960_DSCH_TOUT 600 /* discharge timeout, ms */
51 static bool is_pll_freq_available(unsigned int source, unsigned int target);
52 static int wm8960_set_pll(struct snd_soc_component *component,
53 unsigned int freq_in, unsigned int freq_out);
55 * wm8960 register cache
56 * We can't read the WM8960 register space when we are
57 * using 2 wire for device control, so we cache them instead.
59 static const struct reg_default wm8960_reg_defaults[] = {
113 static bool wm8960_volatile(struct device *dev, unsigned int reg)
125 struct regmap *regmap;
126 int (*set_bias_level)(struct snd_soc_component *,
127 enum snd_soc_bias_level level);
128 struct snd_soc_dapm_widget *lout1;
129 struct snd_soc_dapm_widget *rout1;
130 struct snd_soc_dapm_widget *out3;
137 bool is_stream_in_use[2];
138 struct wm8960_data pdata;
142 #define wm8960_reset(c) regmap_write(c, WM8960_RESET, 0)
144 /* enumerated controls */
145 static const char *wm8960_polarity[] = {"No Inversion", "Left Inverted",
146 "Right Inverted", "Stereo Inversion"};
147 static const char *wm8960_3d_upper_cutoff[] = {"High", "Low"};
148 static const char *wm8960_3d_lower_cutoff[] = {"Low", "High"};
149 static const char *wm8960_alcfunc[] = {"Off", "Right", "Left", "Stereo"};
150 static const char *wm8960_alcmode[] = {"ALC", "Limiter"};
151 static const char *wm8960_adc_data_output_sel[] = {
152 "Left Data = Left ADC; Right Data = Right ADC",
153 "Left Data = Left ADC; Right Data = Left ADC",
154 "Left Data = Right ADC; Right Data = Right ADC",
155 "Left Data = Right ADC; Right Data = Left ADC",
157 static const char *wm8960_dmonomix[] = {"Stereo", "Mono"};
158 static const char *wm8960_dacslope[] = {"Normal", "Sloping"};
160 static const struct soc_enum wm8960_enum[] = {
161 SOC_ENUM_SINGLE(WM8960_DACCTL1, 5, 4, wm8960_polarity),
162 SOC_ENUM_SINGLE(WM8960_DACCTL2, 5, 4, wm8960_polarity),
163 SOC_ENUM_SINGLE(WM8960_3D, 6, 2, wm8960_3d_upper_cutoff),
164 SOC_ENUM_SINGLE(WM8960_3D, 5, 2, wm8960_3d_lower_cutoff),
165 SOC_ENUM_SINGLE(WM8960_ALC1, 7, 4, wm8960_alcfunc),
166 SOC_ENUM_SINGLE(WM8960_ALC3, 8, 2, wm8960_alcmode),
167 SOC_ENUM_SINGLE(WM8960_ADDCTL1, 2, 4, wm8960_adc_data_output_sel),
168 SOC_ENUM_SINGLE(WM8960_ADDCTL1, 4, 2, wm8960_dmonomix),
169 SOC_ENUM_SINGLE(WM8960_DACCTL2, 1, 2, wm8960_dacslope),
172 static const int deemph_settings[] = { 0, 32000, 44100, 48000 };
174 static int wm8960_set_deemph(struct snd_soc_component *component)
176 struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
179 /* If we're using deemphasis select the nearest available sample
182 if (wm8960->deemph) {
184 for (i = 2; i < ARRAY_SIZE(deemph_settings); i++) {
185 if (abs(deemph_settings[i] - wm8960->lrclk) <
186 abs(deemph_settings[best] - wm8960->lrclk))
195 dev_dbg(component->dev, "Set deemphasis %d\n", val);
197 return snd_soc_component_update_bits(component, WM8960_DACCTL1,
201 static int wm8960_get_deemph(struct snd_kcontrol *kcontrol,
202 struct snd_ctl_elem_value *ucontrol)
204 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
205 struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
207 ucontrol->value.integer.value[0] = wm8960->deemph;
211 static int wm8960_put_deemph(struct snd_kcontrol *kcontrol,
212 struct snd_ctl_elem_value *ucontrol)
214 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
215 struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
216 unsigned int deemph = ucontrol->value.integer.value[0];
221 wm8960->deemph = deemph;
223 return wm8960_set_deemph(component);
226 static const DECLARE_TLV_DB_SCALE(adc_tlv, -9750, 50, 1);
227 static const DECLARE_TLV_DB_SCALE(inpga_tlv, -1725, 75, 0);
228 static const DECLARE_TLV_DB_SCALE(dac_tlv, -12750, 50, 1);
229 static const DECLARE_TLV_DB_SCALE(bypass_tlv, -2100, 300, 0);
230 static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1);
231 static const DECLARE_TLV_DB_SCALE(lineinboost_tlv, -1500, 300, 1);
232 static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(micboost_tlv,
233 0, 1, TLV_DB_SCALE_ITEM(0, 1300, 0),
234 2, 3, TLV_DB_SCALE_ITEM(2000, 900, 0),
237 static const struct snd_kcontrol_new wm8960_snd_controls[] = {
238 SOC_DOUBLE_R_TLV("Capture Volume", WM8960_LINVOL, WM8960_RINVOL,
239 0, 63, 0, inpga_tlv),
240 SOC_DOUBLE_R("Capture Volume ZC Switch", WM8960_LINVOL, WM8960_RINVOL,
242 SOC_DOUBLE_R("Capture Switch", WM8960_LINVOL, WM8960_RINVOL,
245 SOC_SINGLE_TLV("Left Input Boost Mixer LINPUT3 Volume",
246 WM8960_INBMIX1, 4, 7, 0, lineinboost_tlv),
247 SOC_SINGLE_TLV("Left Input Boost Mixer LINPUT2 Volume",
248 WM8960_INBMIX1, 1, 7, 0, lineinboost_tlv),
249 SOC_SINGLE_TLV("Right Input Boost Mixer RINPUT3 Volume",
250 WM8960_INBMIX2, 4, 7, 0, lineinboost_tlv),
251 SOC_SINGLE_TLV("Right Input Boost Mixer RINPUT2 Volume",
252 WM8960_INBMIX2, 1, 7, 0, lineinboost_tlv),
253 SOC_SINGLE_TLV("Right Input Boost Mixer RINPUT1 Volume",
254 WM8960_RINPATH, 4, 3, 0, micboost_tlv),
255 SOC_SINGLE_TLV("Left Input Boost Mixer LINPUT1 Volume",
256 WM8960_LINPATH, 4, 3, 0, micboost_tlv),
258 SOC_DOUBLE_R_TLV("Playback Volume", WM8960_LDAC, WM8960_RDAC,
261 SOC_DOUBLE_R_TLV("Headphone Playback Volume", WM8960_LOUT1, WM8960_ROUT1,
263 SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8960_LOUT1, WM8960_ROUT1,
266 SOC_DOUBLE_R_TLV("Speaker Playback Volume", WM8960_LOUT2, WM8960_ROUT2,
268 SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8960_LOUT2, WM8960_ROUT2,
270 SOC_SINGLE("Speaker DC Volume", WM8960_CLASSD3, 3, 5, 0),
271 SOC_SINGLE("Speaker AC Volume", WM8960_CLASSD3, 0, 5, 0),
273 SOC_SINGLE("PCM Playback -6dB Switch", WM8960_DACCTL1, 7, 1, 0),
274 SOC_ENUM("ADC Polarity", wm8960_enum[0]),
275 SOC_SINGLE("ADC High Pass Filter Switch", WM8960_DACCTL1, 0, 1, 0),
277 SOC_ENUM("DAC Polarity", wm8960_enum[1]),
278 SOC_SINGLE_BOOL_EXT("DAC Deemphasis Switch", 0,
279 wm8960_get_deemph, wm8960_put_deemph),
281 SOC_ENUM("3D Filter Upper Cut-Off", wm8960_enum[2]),
282 SOC_ENUM("3D Filter Lower Cut-Off", wm8960_enum[3]),
283 SOC_SINGLE("3D Volume", WM8960_3D, 1, 15, 0),
284 SOC_SINGLE("3D Switch", WM8960_3D, 0, 1, 0),
286 SOC_ENUM("ALC Function", wm8960_enum[4]),
287 SOC_SINGLE("ALC Max Gain", WM8960_ALC1, 4, 7, 0),
288 SOC_SINGLE("ALC Target", WM8960_ALC1, 0, 15, 1),
289 SOC_SINGLE("ALC Min Gain", WM8960_ALC2, 4, 7, 0),
290 SOC_SINGLE("ALC Hold Time", WM8960_ALC2, 0, 15, 0),
291 SOC_ENUM("ALC Mode", wm8960_enum[5]),
292 SOC_SINGLE("ALC Decay", WM8960_ALC3, 4, 15, 0),
293 SOC_SINGLE("ALC Attack", WM8960_ALC3, 0, 15, 0),
295 SOC_SINGLE("Noise Gate Threshold", WM8960_NOISEG, 3, 31, 0),
296 SOC_SINGLE("Noise Gate Switch", WM8960_NOISEG, 0, 1, 0),
298 SOC_DOUBLE_R_TLV("ADC PCM Capture Volume", WM8960_LADC, WM8960_RADC,
301 SOC_SINGLE_TLV("Left Output Mixer Boost Bypass Volume",
302 WM8960_BYPASS1, 4, 7, 1, bypass_tlv),
303 SOC_SINGLE_TLV("Left Output Mixer LINPUT3 Volume",
304 WM8960_LOUTMIX, 4, 7, 1, bypass_tlv),
305 SOC_SINGLE_TLV("Right Output Mixer Boost Bypass Volume",
306 WM8960_BYPASS2, 4, 7, 1, bypass_tlv),
307 SOC_SINGLE_TLV("Right Output Mixer RINPUT3 Volume",
308 WM8960_ROUTMIX, 4, 7, 1, bypass_tlv),
310 SOC_ENUM("ADC Data Output Select", wm8960_enum[6]),
311 SOC_ENUM("DAC Mono Mix", wm8960_enum[7]),
312 SOC_ENUM("DAC Filter Characteristics", wm8960_enum[8]),
315 static const struct snd_kcontrol_new wm8960_lin_boost[] = {
316 SOC_DAPM_SINGLE("LINPUT2 Switch", WM8960_LINPATH, 6, 1, 0),
317 SOC_DAPM_SINGLE("LINPUT3 Switch", WM8960_LINPATH, 7, 1, 0),
318 SOC_DAPM_SINGLE("LINPUT1 Switch", WM8960_LINPATH, 8, 1, 0),
321 static const struct snd_kcontrol_new wm8960_lin[] = {
322 SOC_DAPM_SINGLE("Boost Switch", WM8960_LINPATH, 3, 1, 0),
325 static const struct snd_kcontrol_new wm8960_rin_boost[] = {
326 SOC_DAPM_SINGLE("RINPUT2 Switch", WM8960_RINPATH, 6, 1, 0),
327 SOC_DAPM_SINGLE("RINPUT3 Switch", WM8960_RINPATH, 7, 1, 0),
328 SOC_DAPM_SINGLE("RINPUT1 Switch", WM8960_RINPATH, 8, 1, 0),
331 static const struct snd_kcontrol_new wm8960_rin[] = {
332 SOC_DAPM_SINGLE("Boost Switch", WM8960_RINPATH, 3, 1, 0),
335 static const struct snd_kcontrol_new wm8960_loutput_mixer[] = {
336 SOC_DAPM_SINGLE("PCM Playback Switch", WM8960_LOUTMIX, 8, 1, 0),
337 SOC_DAPM_SINGLE("LINPUT3 Switch", WM8960_LOUTMIX, 7, 1, 0),
338 SOC_DAPM_SINGLE("Boost Bypass Switch", WM8960_BYPASS1, 7, 1, 0),
341 static const struct snd_kcontrol_new wm8960_routput_mixer[] = {
342 SOC_DAPM_SINGLE("PCM Playback Switch", WM8960_ROUTMIX, 8, 1, 0),
343 SOC_DAPM_SINGLE("RINPUT3 Switch", WM8960_ROUTMIX, 7, 1, 0),
344 SOC_DAPM_SINGLE("Boost Bypass Switch", WM8960_BYPASS2, 7, 1, 0),
347 static const struct snd_kcontrol_new wm8960_mono_out[] = {
348 SOC_DAPM_SINGLE("Left Switch", WM8960_MONOMIX1, 7, 1, 0),
349 SOC_DAPM_SINGLE("Right Switch", WM8960_MONOMIX2, 7, 1, 0),
352 static const struct snd_soc_dapm_widget wm8960_dapm_widgets[] = {
353 SND_SOC_DAPM_INPUT("LINPUT1"),
354 SND_SOC_DAPM_INPUT("RINPUT1"),
355 SND_SOC_DAPM_INPUT("LINPUT2"),
356 SND_SOC_DAPM_INPUT("RINPUT2"),
357 SND_SOC_DAPM_INPUT("LINPUT3"),
358 SND_SOC_DAPM_INPUT("RINPUT3"),
360 SND_SOC_DAPM_SUPPLY("MICB", WM8960_POWER1, 1, 0, NULL, 0),
362 SND_SOC_DAPM_MIXER("Left Boost Mixer", WM8960_POWER1, 5, 0,
363 wm8960_lin_boost, ARRAY_SIZE(wm8960_lin_boost)),
364 SND_SOC_DAPM_MIXER("Right Boost Mixer", WM8960_POWER1, 4, 0,
365 wm8960_rin_boost, ARRAY_SIZE(wm8960_rin_boost)),
367 SND_SOC_DAPM_MIXER("Left Input Mixer", WM8960_POWER3, 5, 0,
368 wm8960_lin, ARRAY_SIZE(wm8960_lin)),
369 SND_SOC_DAPM_MIXER("Right Input Mixer", WM8960_POWER3, 4, 0,
370 wm8960_rin, ARRAY_SIZE(wm8960_rin)),
372 SND_SOC_DAPM_ADC("Left ADC", "Capture", WM8960_POWER1, 3, 0),
373 SND_SOC_DAPM_ADC("Right ADC", "Capture", WM8960_POWER1, 2, 0),
375 SND_SOC_DAPM_DAC("Left DAC", "Playback", WM8960_POWER2, 8, 0),
376 SND_SOC_DAPM_DAC("Right DAC", "Playback", WM8960_POWER2, 7, 0),
378 SND_SOC_DAPM_MIXER("Left Output Mixer", WM8960_POWER3, 3, 0,
379 &wm8960_loutput_mixer[0],
380 ARRAY_SIZE(wm8960_loutput_mixer)),
381 SND_SOC_DAPM_MIXER("Right Output Mixer", WM8960_POWER3, 2, 0,
382 &wm8960_routput_mixer[0],
383 ARRAY_SIZE(wm8960_routput_mixer)),
385 SND_SOC_DAPM_PGA("LOUT1 PGA", WM8960_POWER2, 6, 0, NULL, 0),
386 SND_SOC_DAPM_PGA("ROUT1 PGA", WM8960_POWER2, 5, 0, NULL, 0),
388 SND_SOC_DAPM_PGA("Left Speaker PGA", WM8960_POWER2, 4, 0, NULL, 0),
389 SND_SOC_DAPM_PGA("Right Speaker PGA", WM8960_POWER2, 3, 0, NULL, 0),
391 SND_SOC_DAPM_PGA("Right Speaker Output", WM8960_CLASSD1, 7, 0, NULL, 0),
392 SND_SOC_DAPM_PGA("Left Speaker Output", WM8960_CLASSD1, 6, 0, NULL, 0),
394 SND_SOC_DAPM_OUTPUT("SPK_LP"),
395 SND_SOC_DAPM_OUTPUT("SPK_LN"),
396 SND_SOC_DAPM_OUTPUT("HP_L"),
397 SND_SOC_DAPM_OUTPUT("HP_R"),
398 SND_SOC_DAPM_OUTPUT("SPK_RP"),
399 SND_SOC_DAPM_OUTPUT("SPK_RN"),
400 SND_SOC_DAPM_OUTPUT("OUT3"),
403 static const struct snd_soc_dapm_widget wm8960_dapm_widgets_out3[] = {
404 SND_SOC_DAPM_MIXER("Mono Output Mixer", WM8960_POWER2, 1, 0,
406 ARRAY_SIZE(wm8960_mono_out)),
409 /* Represent OUT3 as a PGA so that it gets turned on with LOUT1/ROUT1 */
410 static const struct snd_soc_dapm_widget wm8960_dapm_widgets_capless[] = {
411 SND_SOC_DAPM_PGA("OUT3 VMID", WM8960_POWER2, 1, 0, NULL, 0),
414 static const struct snd_soc_dapm_route audio_paths[] = {
415 { "Left Boost Mixer", "LINPUT1 Switch", "LINPUT1" },
416 { "Left Boost Mixer", "LINPUT2 Switch", "LINPUT2" },
417 { "Left Boost Mixer", "LINPUT3 Switch", "LINPUT3" },
419 { "Left Input Mixer", "Boost Switch", "Left Boost Mixer" },
420 { "Left Input Mixer", "Boost Switch", "LINPUT1" }, /* Really Boost Switch */
421 { "Left Input Mixer", NULL, "LINPUT2" },
422 { "Left Input Mixer", NULL, "LINPUT3" },
424 { "Right Boost Mixer", "RINPUT1 Switch", "RINPUT1" },
425 { "Right Boost Mixer", "RINPUT2 Switch", "RINPUT2" },
426 { "Right Boost Mixer", "RINPUT3 Switch", "RINPUT3" },
428 { "Right Input Mixer", "Boost Switch", "Right Boost Mixer" },
429 { "Right Input Mixer", "Boost Switch", "RINPUT1" }, /* Really Boost Switch */
430 { "Right Input Mixer", NULL, "RINPUT2" },
431 { "Right Input Mixer", NULL, "RINPUT3" },
433 { "Left ADC", NULL, "Left Input Mixer" },
434 { "Right ADC", NULL, "Right Input Mixer" },
436 { "Left Output Mixer", "LINPUT3 Switch", "LINPUT3" },
437 { "Left Output Mixer", "Boost Bypass Switch", "Left Boost Mixer" },
438 { "Left Output Mixer", "PCM Playback Switch", "Left DAC" },
440 { "Right Output Mixer", "RINPUT3 Switch", "RINPUT3" },
441 { "Right Output Mixer", "Boost Bypass Switch", "Right Boost Mixer" },
442 { "Right Output Mixer", "PCM Playback Switch", "Right DAC" },
444 { "LOUT1 PGA", NULL, "Left Output Mixer" },
445 { "ROUT1 PGA", NULL, "Right Output Mixer" },
447 { "HP_L", NULL, "LOUT1 PGA" },
448 { "HP_R", NULL, "ROUT1 PGA" },
450 { "Left Speaker PGA", NULL, "Left Output Mixer" },
451 { "Right Speaker PGA", NULL, "Right Output Mixer" },
453 { "Left Speaker Output", NULL, "Left Speaker PGA" },
454 { "Right Speaker Output", NULL, "Right Speaker PGA" },
456 { "SPK_LN", NULL, "Left Speaker Output" },
457 { "SPK_LP", NULL, "Left Speaker Output" },
458 { "SPK_RN", NULL, "Right Speaker Output" },
459 { "SPK_RP", NULL, "Right Speaker Output" },
462 static const struct snd_soc_dapm_route audio_paths_out3[] = {
463 { "Mono Output Mixer", "Left Switch", "Left Output Mixer" },
464 { "Mono Output Mixer", "Right Switch", "Right Output Mixer" },
466 { "OUT3", NULL, "Mono Output Mixer", }
469 static const struct snd_soc_dapm_route audio_paths_capless[] = {
470 { "HP_L", NULL, "OUT3 VMID" },
471 { "HP_R", NULL, "OUT3 VMID" },
473 { "OUT3 VMID", NULL, "Left Output Mixer" },
474 { "OUT3 VMID", NULL, "Right Output Mixer" },
477 static int wm8960_add_widgets(struct snd_soc_component *component)
479 struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
480 struct wm8960_data *pdata = &wm8960->pdata;
481 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
482 struct snd_soc_dapm_widget *w;
484 snd_soc_dapm_new_controls(dapm, wm8960_dapm_widgets,
485 ARRAY_SIZE(wm8960_dapm_widgets));
487 snd_soc_dapm_add_routes(dapm, audio_paths, ARRAY_SIZE(audio_paths));
489 /* In capless mode OUT3 is used to provide VMID for the
490 * headphone outputs, otherwise it is used as a mono mixer.
492 if (pdata && pdata->capless) {
493 snd_soc_dapm_new_controls(dapm, wm8960_dapm_widgets_capless,
494 ARRAY_SIZE(wm8960_dapm_widgets_capless));
496 snd_soc_dapm_add_routes(dapm, audio_paths_capless,
497 ARRAY_SIZE(audio_paths_capless));
499 snd_soc_dapm_new_controls(dapm, wm8960_dapm_widgets_out3,
500 ARRAY_SIZE(wm8960_dapm_widgets_out3));
502 snd_soc_dapm_add_routes(dapm, audio_paths_out3,
503 ARRAY_SIZE(audio_paths_out3));
506 /* We need to power up the headphone output stage out of
507 * sequence for capless mode. To save scanning the widget
508 * list each time to find the desired power state do so now
509 * and save the result.
511 list_for_each_entry(w, &component->card->widgets, list) {
514 if (strcmp(w->name, "LOUT1 PGA") == 0)
516 if (strcmp(w->name, "ROUT1 PGA") == 0)
518 if (strcmp(w->name, "OUT3 VMID") == 0)
525 static int wm8960_set_dai_fmt(struct snd_soc_dai *codec_dai,
528 struct snd_soc_component *component = codec_dai->component;
531 /* set master/slave audio interface */
532 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
533 case SND_SOC_DAIFMT_CBM_CFM:
536 case SND_SOC_DAIFMT_CBS_CFS:
542 /* interface format */
543 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
544 case SND_SOC_DAIFMT_I2S:
547 case SND_SOC_DAIFMT_RIGHT_J:
549 case SND_SOC_DAIFMT_LEFT_J:
552 case SND_SOC_DAIFMT_DSP_A:
555 case SND_SOC_DAIFMT_DSP_B:
562 /* clock inversion */
563 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
564 case SND_SOC_DAIFMT_NB_NF:
566 case SND_SOC_DAIFMT_IB_IF:
569 case SND_SOC_DAIFMT_IB_NF:
572 case SND_SOC_DAIFMT_NB_IF:
580 snd_soc_component_write(component, WM8960_IFACE1, iface);
599 /* -1 for reserved value */
600 static const int sysclk_divs[] = { 1, -1, 2, -1 };
602 /* Multiply 256 for internal 256 div */
603 static const int dac_divs[] = { 256, 384, 512, 768, 1024, 1408, 1536 };
605 /* Multiply 10 to eliminate decimials */
606 static const int bclk_divs[] = {
607 10, 15, 20, 30, 40, 55, 60, 80, 110,
608 120, 160, 220, 240, 320, 320, 320
612 * wm8960_configure_sysclk - checks if there is a sysclk frequency available
613 * The sysclk must be chosen such that:
614 * - sysclk = MCLK / sysclk_divs
615 * - lrclk = sysclk / dac_divs
616 * - 10 * bclk = sysclk / bclk_divs
618 * @wm8960: codec private data
619 * @mclk: MCLK used to derive sysclk
620 * @sysclk_idx: sysclk_divs index for found sysclk
621 * @dac_idx: dac_divs index for found lrclk
622 * @bclk_idx: bclk_divs index for found bclk
625 * -1, in case no sysclk frequency available found
626 * >=0, in case we could derive bclk and lrclk from sysclk using
627 * (@sysclk_idx, @dac_idx, @bclk_idx) dividers
630 int wm8960_configure_sysclk(struct wm8960_priv *wm8960, int mclk,
631 int *sysclk_idx, int *dac_idx, int *bclk_idx)
633 int sysclk, bclk, lrclk;
637 /* marker for no match */
641 lrclk = wm8960->lrclk;
643 /* check if the sysclk frequency is available. */
644 for (i = 0; i < ARRAY_SIZE(sysclk_divs); ++i) {
645 if (sysclk_divs[i] == -1)
647 sysclk = mclk / sysclk_divs[i];
648 for (j = 0; j < ARRAY_SIZE(dac_divs); ++j) {
649 if (sysclk != dac_divs[j] * lrclk)
651 for (k = 0; k < ARRAY_SIZE(bclk_divs); ++k) {
652 diff = sysclk - bclk * bclk_divs[k] / 10;
660 if (k != ARRAY_SIZE(bclk_divs))
663 if (j != ARRAY_SIZE(dac_divs))
670 * wm8960_configure_pll - checks if there is a PLL out frequency available
671 * The PLL out frequency must be chosen such that:
672 * - sysclk = lrclk * dac_divs
673 * - freq_out = sysclk * sysclk_divs
674 * - 10 * sysclk = bclk * bclk_divs
676 * If we cannot find an exact match for (sysclk, lrclk, bclk)
677 * triplet, we relax the bclk such that bclk is chosen as the
678 * closest available frequency greater than expected bclk.
680 * @component: component structure
681 * @freq_in: input frequency used to derive freq out via PLL
682 * @sysclk_idx: sysclk_divs index for found sysclk
683 * @dac_idx: dac_divs index for found lrclk
684 * @bclk_idx: bclk_divs index for found bclk
687 * < 0, in case no PLL frequency out available was found
688 * >=0, in case we could derive bclk, lrclk, sysclk from PLL out using
689 * (@sysclk_idx, @dac_idx, @bclk_idx) dividers
692 int wm8960_configure_pll(struct snd_soc_component *component, int freq_in,
693 int *sysclk_idx, int *dac_idx, int *bclk_idx)
695 struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
696 int sysclk, bclk, lrclk, freq_out;
697 int diff, closest, best_freq_out;
701 lrclk = wm8960->lrclk;
704 best_freq_out = -EINVAL;
705 *sysclk_idx = *dac_idx = *bclk_idx = -1;
708 * From Datasheet, the PLL performs best when f2 is between
709 * 90MHz and 100MHz, the desired sysclk output is 11.2896MHz
710 * or 12.288MHz, then sysclkdiv = 2 is the best choice.
711 * So search sysclk_divs from 2 to 1 other than from 1 to 2.
713 for (i = ARRAY_SIZE(sysclk_divs) - 1; i >= 0; --i) {
714 if (sysclk_divs[i] == -1)
716 for (j = 0; j < ARRAY_SIZE(dac_divs); ++j) {
717 sysclk = lrclk * dac_divs[j];
718 freq_out = sysclk * sysclk_divs[i];
720 for (k = 0; k < ARRAY_SIZE(bclk_divs); ++k) {
721 if (!is_pll_freq_available(freq_in, freq_out))
724 diff = sysclk - bclk * bclk_divs[k] / 10;
731 if (diff > 0 && closest > diff) {
736 best_freq_out = freq_out;
742 return best_freq_out;
744 static int wm8960_configure_clocking(struct snd_soc_component *component)
746 struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
747 int freq_out, freq_in;
748 u16 iface1 = snd_soc_component_read(component, WM8960_IFACE1);
753 * For Slave mode clocking should still be configured,
754 * so this if statement should be removed, but some platform
755 * may not work if the sysclk is not configured, to avoid such
756 * compatible issue, just add '!wm8960->sysclk' condition in
759 if (!(iface1 & (1 << 6)) && !wm8960->sysclk) {
760 dev_warn(component->dev,
761 "slave mode, but proceeding with no clock configuration\n");
765 if (wm8960->clk_id != WM8960_SYSCLK_MCLK && !wm8960->freq_in) {
766 dev_err(component->dev, "No MCLK configured\n");
770 freq_in = wm8960->freq_in;
772 * If it's sysclk auto mode, check if the MCLK can provide sysclk or
773 * not. If MCLK can provide sysclk, using MCLK to provide sysclk
774 * directly. Otherwise, auto select a available pll out frequency
777 if (wm8960->clk_id == WM8960_SYSCLK_AUTO) {
778 /* disable the PLL and using MCLK to provide sysclk */
779 wm8960_set_pll(component, 0, 0);
781 } else if (wm8960->sysclk) {
782 freq_out = wm8960->sysclk;
784 dev_err(component->dev, "No SYSCLK configured\n");
788 if (wm8960->clk_id != WM8960_SYSCLK_PLL) {
789 ret = wm8960_configure_sysclk(wm8960, freq_out, &i, &j, &k);
791 goto configure_clock;
792 } else if (wm8960->clk_id != WM8960_SYSCLK_AUTO) {
793 dev_err(component->dev, "failed to configure clock\n");
798 freq_out = wm8960_configure_pll(component, freq_in, &i, &j, &k);
800 dev_err(component->dev, "failed to configure clock via PLL\n");
803 wm8960_set_pll(component, freq_in, freq_out);
806 /* configure sysclk clock */
807 snd_soc_component_update_bits(component, WM8960_CLOCK1, 3 << 1, i << 1);
809 /* configure frame clock */
810 snd_soc_component_update_bits(component, WM8960_CLOCK1, 0x7 << 3, j << 3);
811 snd_soc_component_update_bits(component, WM8960_CLOCK1, 0x7 << 6, j << 6);
813 /* configure bit clock */
814 snd_soc_component_update_bits(component, WM8960_CLOCK2, 0xf, k);
819 static int wm8960_hw_params(struct snd_pcm_substream *substream,
820 struct snd_pcm_hw_params *params,
821 struct snd_soc_dai *dai)
823 struct snd_soc_component *component = dai->component;
824 struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
825 u16 iface = snd_soc_component_read(component, WM8960_IFACE1) & 0xfff3;
826 bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
829 wm8960->bclk = snd_soc_params_to_bclk(params);
830 if (params_channels(params) == 1)
834 switch (params_width(params)) {
844 /* right justify mode does not support 32 word length */
845 if ((iface & 0x3) != 0) {
851 dev_err(component->dev, "unsupported width %d\n",
852 params_width(params));
856 wm8960->lrclk = params_rate(params);
857 /* Update filters for the new rate */
859 wm8960_set_deemph(component);
861 for (i = 0; i < ARRAY_SIZE(alc_rates); i++)
862 if (alc_rates[i].rate == params_rate(params))
863 snd_soc_component_update_bits(component,
869 snd_soc_component_write(component, WM8960_IFACE1, iface);
871 wm8960->is_stream_in_use[tx] = true;
873 if (!wm8960->is_stream_in_use[!tx])
874 return wm8960_configure_clocking(component);
879 static int wm8960_hw_free(struct snd_pcm_substream *substream,
880 struct snd_soc_dai *dai)
882 struct snd_soc_component *component = dai->component;
883 struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
884 bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
886 wm8960->is_stream_in_use[tx] = false;
891 static int wm8960_mute(struct snd_soc_dai *dai, int mute, int direction)
893 struct snd_soc_component *component = dai->component;
896 snd_soc_component_update_bits(component, WM8960_DACCTL1, 0x8, 0x8);
898 snd_soc_component_update_bits(component, WM8960_DACCTL1, 0x8, 0);
902 static int wm8960_set_bias_level_out3(struct snd_soc_component *component,
903 enum snd_soc_bias_level level)
905 struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
906 u16 pm2 = snd_soc_component_read(component, WM8960_POWER2);
911 case SND_SOC_BIAS_ON:
914 case SND_SOC_BIAS_PREPARE:
915 switch (snd_soc_component_get_bias_level(component)) {
916 case SND_SOC_BIAS_STANDBY:
917 if (!IS_ERR(wm8960->mclk)) {
918 ret = clk_prepare_enable(wm8960->mclk);
920 dev_err(component->dev,
921 "Failed to enable MCLK: %d\n",
927 ret = wm8960_configure_clocking(component);
931 /* Set VMID to 2x50k */
932 snd_soc_component_update_bits(component, WM8960_POWER1, 0x180, 0x80);
935 case SND_SOC_BIAS_ON:
937 * If it's sysclk auto mode, and the pll is enabled,
940 if (wm8960->clk_id == WM8960_SYSCLK_AUTO && (pm2 & 0x1))
941 wm8960_set_pll(component, 0, 0);
943 if (!IS_ERR(wm8960->mclk))
944 clk_disable_unprepare(wm8960->mclk);
953 case SND_SOC_BIAS_STANDBY:
954 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
955 /* ensure discharge is complete */
956 tout = WM8960_DSCH_TOUT - ktime_ms_delta(ktime_get(), wm8960->dsch_start);
960 regcache_sync(wm8960->regmap);
962 /* Enable anti-pop features */
963 snd_soc_component_write(component, WM8960_APOP1,
964 WM8960_POBCTRL | WM8960_SOFT_ST |
965 WM8960_BUFDCOPEN | WM8960_BUFIOEN);
967 /* Enable & ramp VMID at 2x50k */
968 snd_soc_component_update_bits(component, WM8960_POWER1, 0x80, 0x80);
972 snd_soc_component_update_bits(component, WM8960_POWER1, WM8960_VREF,
975 /* Disable anti-pop features */
976 snd_soc_component_write(component, WM8960_APOP1, WM8960_BUFIOEN);
979 /* Set VMID to 2x250k */
980 snd_soc_component_update_bits(component, WM8960_POWER1, 0x180, 0x100);
983 case SND_SOC_BIAS_OFF:
984 /* Enable anti-pop features */
985 snd_soc_component_write(component, WM8960_APOP1,
986 WM8960_POBCTRL | WM8960_SOFT_ST |
987 WM8960_BUFDCOPEN | WM8960_BUFIOEN);
989 /* Disable VMID and VREF, mark discharge */
990 snd_soc_component_write(component, WM8960_POWER1, 0);
991 wm8960->dsch_start = ktime_get();
998 static int wm8960_set_bias_level_capless(struct snd_soc_component *component,
999 enum snd_soc_bias_level level)
1001 struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
1002 u16 pm2 = snd_soc_component_read(component, WM8960_POWER2);
1006 case SND_SOC_BIAS_ON:
1009 case SND_SOC_BIAS_PREPARE:
1010 switch (snd_soc_component_get_bias_level(component)) {
1011 case SND_SOC_BIAS_STANDBY:
1012 /* Enable anti pop mode */
1013 snd_soc_component_update_bits(component, WM8960_APOP1,
1014 WM8960_POBCTRL | WM8960_SOFT_ST |
1016 WM8960_POBCTRL | WM8960_SOFT_ST |
1019 /* Enable LOUT1, ROUT1 and OUT3 if they're enabled */
1021 if (wm8960->lout1 && wm8960->lout1->power)
1022 reg |= WM8960_PWR2_LOUT1;
1023 if (wm8960->rout1 && wm8960->rout1->power)
1024 reg |= WM8960_PWR2_ROUT1;
1025 if (wm8960->out3 && wm8960->out3->power)
1026 reg |= WM8960_PWR2_OUT3;
1027 snd_soc_component_update_bits(component, WM8960_POWER2,
1030 WM8960_PWR2_OUT3, reg);
1032 /* Enable VMID at 2*50k */
1033 snd_soc_component_update_bits(component, WM8960_POWER1,
1034 WM8960_VMID_MASK, 0x80);
1040 snd_soc_component_update_bits(component, WM8960_POWER1,
1041 WM8960_VREF, WM8960_VREF);
1045 if (!IS_ERR(wm8960->mclk)) {
1046 ret = clk_prepare_enable(wm8960->mclk);
1048 dev_err(component->dev,
1049 "Failed to enable MCLK: %d\n",
1055 ret = wm8960_configure_clocking(component);
1061 case SND_SOC_BIAS_ON:
1063 * If it's sysclk auto mode, and the pll is enabled,
1066 if (wm8960->clk_id == WM8960_SYSCLK_AUTO && (pm2 & 0x1))
1067 wm8960_set_pll(component, 0, 0);
1069 if (!IS_ERR(wm8960->mclk))
1070 clk_disable_unprepare(wm8960->mclk);
1072 /* Enable anti-pop mode */
1073 snd_soc_component_update_bits(component, WM8960_APOP1,
1074 WM8960_POBCTRL | WM8960_SOFT_ST |
1076 WM8960_POBCTRL | WM8960_SOFT_ST |
1079 /* Disable VMID and VREF */
1080 snd_soc_component_update_bits(component, WM8960_POWER1,
1081 WM8960_VREF | WM8960_VMID_MASK, 0);
1084 case SND_SOC_BIAS_OFF:
1085 regcache_sync(wm8960->regmap);
1092 case SND_SOC_BIAS_STANDBY:
1093 switch (snd_soc_component_get_bias_level(component)) {
1094 case SND_SOC_BIAS_PREPARE:
1095 /* Disable HP discharge */
1096 snd_soc_component_update_bits(component, WM8960_APOP2,
1097 WM8960_DISOP | WM8960_DRES_MASK,
1100 /* Disable anti-pop features */
1101 snd_soc_component_update_bits(component, WM8960_APOP1,
1102 WM8960_POBCTRL | WM8960_SOFT_ST |
1104 WM8960_POBCTRL | WM8960_SOFT_ST |
1113 case SND_SOC_BIAS_OFF:
1127 static bool is_pll_freq_available(unsigned int source, unsigned int target)
1131 if (source == 0 || target == 0)
1134 /* Scale up target to PLL operating frequency */
1136 Ndiv = target / source;
1140 Ndiv = target / source;
1143 if ((Ndiv < 6) || (Ndiv > 12))
1149 /* The size in bits of the pll divide multiplied by 10
1150 * to allow rounding later */
1151 #define FIXED_PLL_SIZE ((1 << 24) * 10)
1153 static int pll_factors(unsigned int source, unsigned int target,
1154 struct _pll_div *pll_div)
1156 unsigned long long Kpart;
1157 unsigned int K, Ndiv, Nmod;
1159 pr_debug("WM8960 PLL: setting %dHz->%dHz\n", source, target);
1161 /* Scale up target to PLL operating frequency */
1164 Ndiv = target / source;
1167 pll_div->pre_div = 1;
1168 Ndiv = target / source;
1170 pll_div->pre_div = 0;
1172 if ((Ndiv < 6) || (Ndiv > 12)) {
1173 pr_err("WM8960 PLL: Unsupported N=%d\n", Ndiv);
1178 Nmod = target % source;
1179 Kpart = FIXED_PLL_SIZE * (long long)Nmod;
1181 do_div(Kpart, source);
1183 K = Kpart & 0xFFFFFFFF;
1185 /* Check if we need to round */
1189 /* Move down to proper range now rounding is done */
1194 pr_debug("WM8960 PLL: N=%x K=%x pre_div=%d\n",
1195 pll_div->n, pll_div->k, pll_div->pre_div);
1200 static int wm8960_set_pll(struct snd_soc_component *component,
1201 unsigned int freq_in, unsigned int freq_out)
1204 static struct _pll_div pll_div;
1207 if (freq_in && freq_out) {
1208 ret = pll_factors(freq_in, freq_out, &pll_div);
1213 /* Disable the PLL: even if we are changing the frequency the
1214 * PLL needs to be disabled while we do so. */
1215 snd_soc_component_update_bits(component, WM8960_CLOCK1, 0x1, 0);
1216 snd_soc_component_update_bits(component, WM8960_POWER2, 0x1, 0);
1218 if (!freq_in || !freq_out)
1221 reg = snd_soc_component_read(component, WM8960_PLL1) & ~0x3f;
1222 reg |= pll_div.pre_div << 4;
1228 snd_soc_component_write(component, WM8960_PLL2, (pll_div.k >> 16) & 0xff);
1229 snd_soc_component_write(component, WM8960_PLL3, (pll_div.k >> 8) & 0xff);
1230 snd_soc_component_write(component, WM8960_PLL4, pll_div.k & 0xff);
1232 snd_soc_component_write(component, WM8960_PLL1, reg);
1235 snd_soc_component_update_bits(component, WM8960_POWER2, 0x1, 0x1);
1237 snd_soc_component_update_bits(component, WM8960_CLOCK1, 0x1, 0x1);
1242 static int wm8960_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
1243 int source, unsigned int freq_in, unsigned int freq_out)
1245 struct snd_soc_component *component = codec_dai->component;
1246 struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
1248 wm8960->freq_in = freq_in;
1250 if (pll_id == WM8960_SYSCLK_AUTO)
1253 return wm8960_set_pll(component, freq_in, freq_out);
1256 static int wm8960_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
1257 int div_id, int div)
1259 struct snd_soc_component *component = codec_dai->component;
1263 case WM8960_SYSCLKDIV:
1264 reg = snd_soc_component_read(component, WM8960_CLOCK1) & 0x1f9;
1265 snd_soc_component_write(component, WM8960_CLOCK1, reg | div);
1268 reg = snd_soc_component_read(component, WM8960_CLOCK1) & 0x1c7;
1269 snd_soc_component_write(component, WM8960_CLOCK1, reg | div);
1271 case WM8960_OPCLKDIV:
1272 reg = snd_soc_component_read(component, WM8960_PLL1) & 0x03f;
1273 snd_soc_component_write(component, WM8960_PLL1, reg | div);
1275 case WM8960_DCLKDIV:
1276 reg = snd_soc_component_read(component, WM8960_CLOCK2) & 0x03f;
1277 snd_soc_component_write(component, WM8960_CLOCK2, reg | div);
1279 case WM8960_TOCLKSEL:
1280 reg = snd_soc_component_read(component, WM8960_ADDCTL1) & 0x1fd;
1281 snd_soc_component_write(component, WM8960_ADDCTL1, reg | div);
1290 static int wm8960_set_bias_level(struct snd_soc_component *component,
1291 enum snd_soc_bias_level level)
1293 struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
1295 return wm8960->set_bias_level(component, level);
1298 static int wm8960_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id,
1299 unsigned int freq, int dir)
1301 struct snd_soc_component *component = dai->component;
1302 struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
1305 case WM8960_SYSCLK_MCLK:
1306 snd_soc_component_update_bits(component, WM8960_CLOCK1,
1307 0x1, WM8960_SYSCLK_MCLK);
1309 case WM8960_SYSCLK_PLL:
1310 snd_soc_component_update_bits(component, WM8960_CLOCK1,
1311 0x1, WM8960_SYSCLK_PLL);
1313 case WM8960_SYSCLK_AUTO:
1319 wm8960->sysclk = freq;
1320 wm8960->clk_id = clk_id;
1325 #define WM8960_RATES SNDRV_PCM_RATE_8000_48000
1327 #define WM8960_FORMATS \
1328 (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1329 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1331 static const struct snd_soc_dai_ops wm8960_dai_ops = {
1332 .hw_params = wm8960_hw_params,
1333 .hw_free = wm8960_hw_free,
1334 .mute_stream = wm8960_mute,
1335 .set_fmt = wm8960_set_dai_fmt,
1336 .set_clkdiv = wm8960_set_dai_clkdiv,
1337 .set_pll = wm8960_set_dai_pll,
1338 .set_sysclk = wm8960_set_dai_sysclk,
1339 .no_capture_mute = 1,
1342 static struct snd_soc_dai_driver wm8960_dai = {
1343 .name = "wm8960-hifi",
1345 .stream_name = "Playback",
1348 .rates = WM8960_RATES,
1349 .formats = WM8960_FORMATS,},
1351 .stream_name = "Capture",
1354 .rates = WM8960_RATES,
1355 .formats = WM8960_FORMATS,},
1356 .ops = &wm8960_dai_ops,
1357 .symmetric_rate = 1,
1360 static int wm8960_probe(struct snd_soc_component *component)
1362 struct wm8960_priv *wm8960 = snd_soc_component_get_drvdata(component);
1363 struct wm8960_data *pdata = &wm8960->pdata;
1366 wm8960->set_bias_level = wm8960_set_bias_level_capless;
1368 wm8960->set_bias_level = wm8960_set_bias_level_out3;
1370 snd_soc_add_component_controls(component, wm8960_snd_controls,
1371 ARRAY_SIZE(wm8960_snd_controls));
1372 wm8960_add_widgets(component);
1377 static const struct snd_soc_component_driver soc_component_dev_wm8960 = {
1378 .probe = wm8960_probe,
1379 .set_bias_level = wm8960_set_bias_level,
1380 .suspend_bias_off = 1,
1382 .use_pmdown_time = 1,
1386 static const struct regmap_config wm8960_regmap = {
1389 .max_register = WM8960_PLL4,
1391 .reg_defaults = wm8960_reg_defaults,
1392 .num_reg_defaults = ARRAY_SIZE(wm8960_reg_defaults),
1393 .cache_type = REGCACHE_MAPLE,
1395 .volatile_reg = wm8960_volatile,
1398 static void wm8960_set_pdata_from_of(struct i2c_client *i2c,
1399 struct wm8960_data *pdata)
1401 const struct device_node *np = i2c->dev.of_node;
1403 if (of_property_read_bool(np, "wlf,capless"))
1404 pdata->capless = true;
1406 if (of_property_read_bool(np, "wlf,shared-lrclk"))
1407 pdata->shared_lrclk = true;
1409 of_property_read_u32_array(np, "wlf,gpio-cfg", pdata->gpio_cfg,
1410 ARRAY_SIZE(pdata->gpio_cfg));
1412 of_property_read_u32_array(np, "wlf,hp-cfg", pdata->hp_cfg,
1413 ARRAY_SIZE(pdata->hp_cfg));
1416 static int wm8960_i2c_probe(struct i2c_client *i2c)
1418 struct wm8960_data *pdata = dev_get_platdata(&i2c->dev);
1419 struct wm8960_priv *wm8960;
1423 wm8960 = devm_kzalloc(&i2c->dev, sizeof(struct wm8960_priv),
1428 wm8960->mclk = devm_clk_get(&i2c->dev, "mclk");
1429 if (IS_ERR(wm8960->mclk)) {
1430 if (PTR_ERR(wm8960->mclk) == -EPROBE_DEFER)
1431 return -EPROBE_DEFER;
1433 ret = clk_get_rate(wm8960->mclk);
1435 wm8960->freq_in = ret;
1437 dev_err(&i2c->dev, "Failed to read MCLK rate: %d\n",
1442 wm8960->regmap = devm_regmap_init_i2c(i2c, &wm8960_regmap);
1443 if (IS_ERR(wm8960->regmap))
1444 return PTR_ERR(wm8960->regmap);
1447 memcpy(&wm8960->pdata, pdata, sizeof(struct wm8960_data));
1448 else if (i2c->dev.of_node)
1449 wm8960_set_pdata_from_of(i2c, &wm8960->pdata);
1451 ret = i2c_master_recv(i2c, &val, sizeof(val));
1453 dev_err(&i2c->dev, "Not wm8960, wm8960 reg can not read by i2c\n");
1457 ret = wm8960_reset(wm8960->regmap);
1459 dev_err(&i2c->dev, "Failed to issue reset\n");
1463 if (wm8960->pdata.shared_lrclk) {
1464 ret = regmap_update_bits(wm8960->regmap, WM8960_ADDCTL2,
1467 dev_err(&i2c->dev, "Failed to enable LRCM: %d\n",
1473 /* Latch the update bits */
1474 regmap_update_bits(wm8960->regmap, WM8960_LINVOL, 0x100, 0x100);
1475 regmap_update_bits(wm8960->regmap, WM8960_RINVOL, 0x100, 0x100);
1476 regmap_update_bits(wm8960->regmap, WM8960_LADC, 0x100, 0x100);
1477 regmap_update_bits(wm8960->regmap, WM8960_RADC, 0x100, 0x100);
1478 regmap_update_bits(wm8960->regmap, WM8960_LDAC, 0x100, 0x100);
1479 regmap_update_bits(wm8960->regmap, WM8960_RDAC, 0x100, 0x100);
1480 regmap_update_bits(wm8960->regmap, WM8960_LOUT1, 0x100, 0x100);
1481 regmap_update_bits(wm8960->regmap, WM8960_ROUT1, 0x100, 0x100);
1482 regmap_update_bits(wm8960->regmap, WM8960_LOUT2, 0x100, 0x100);
1483 regmap_update_bits(wm8960->regmap, WM8960_ROUT2, 0x100, 0x100);
1485 /* ADCLRC pin configured as GPIO. */
1486 regmap_update_bits(wm8960->regmap, WM8960_IFACE2, 1 << 6,
1487 wm8960->pdata.gpio_cfg[0] << 6);
1488 regmap_update_bits(wm8960->regmap, WM8960_ADDCTL4, 0xF << 4,
1489 wm8960->pdata.gpio_cfg[1] << 4);
1491 /* Enable headphone jack detect */
1492 regmap_update_bits(wm8960->regmap, WM8960_ADDCTL4, 3 << 2,
1493 wm8960->pdata.hp_cfg[0] << 2);
1494 regmap_update_bits(wm8960->regmap, WM8960_ADDCTL2, 3 << 5,
1495 wm8960->pdata.hp_cfg[1] << 5);
1496 regmap_update_bits(wm8960->regmap, WM8960_ADDCTL1, 3,
1497 wm8960->pdata.hp_cfg[2]);
1499 i2c_set_clientdata(i2c, wm8960);
1501 ret = devm_snd_soc_register_component(&i2c->dev,
1502 &soc_component_dev_wm8960, &wm8960_dai, 1);
1507 static void wm8960_i2c_remove(struct i2c_client *client)
1510 static const struct i2c_device_id wm8960_i2c_id[] = {
1514 MODULE_DEVICE_TABLE(i2c, wm8960_i2c_id);
1516 #if defined(CONFIG_OF)
1517 static const struct of_device_id wm8960_of_match[] = {
1518 { .compatible = "wlf,wm8960", },
1521 MODULE_DEVICE_TABLE(of, wm8960_of_match);
1524 #if defined(CONFIG_ACPI)
1525 static const struct acpi_device_id wm8960_acpi_match[] = {
1526 { "1AEC8960", 0 }, /* Wolfson PCI ID + part ID */
1527 { "10138960", 0 }, /* Cirrus Logic PCI ID + part ID */
1530 MODULE_DEVICE_TABLE(acpi, wm8960_acpi_match);
1533 static struct i2c_driver wm8960_i2c_driver = {
1536 .of_match_table = of_match_ptr(wm8960_of_match),
1537 .acpi_match_table = ACPI_PTR(wm8960_acpi_match),
1539 .probe = wm8960_i2c_probe,
1540 .remove = wm8960_i2c_remove,
1541 .id_table = wm8960_i2c_id,
1544 module_i2c_driver(wm8960_i2c_driver);
1546 MODULE_DESCRIPTION("ASoC WM8960 driver");
1547 MODULE_AUTHOR("Liam Girdwood");
1548 MODULE_LICENSE("GPL");