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10#include <linux/module.h>
11#include <linux/acpi.h>
12#include <linux/delay.h>
13#include <linux/i2c.h>
14#include <linux/mod_devicetable.h>
15#include <linux/mutex.h>
16#include <linux/regmap.h>
17#include <sound/pcm.h>
18#include <sound/pcm_params.h>
19#include <sound/soc.h>
20#include <sound/soc-dapm.h>
21#include <sound/tlv.h>
22#include <sound/jack.h>
23#include "es8316.h"
24
25
26
27
28
29#define NR_SUPPORTED_MCLK_LRCK_RATIOS 6
30static const unsigned int supported_mclk_lrck_ratios[] = {
31 256, 384, 400, 512, 768, 1024
32};
33
34struct es8316_priv {
35 struct mutex lock;
36 struct regmap *regmap;
37 struct snd_soc_component *component;
38 struct snd_soc_jack *jack;
39 int irq;
40 unsigned int sysclk;
41 unsigned int allowed_rates[NR_SUPPORTED_MCLK_LRCK_RATIOS];
42 struct snd_pcm_hw_constraint_list sysclk_constraints;
43 bool jd_inverted;
44};
45
46
47
48
49static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(dac_vol_tlv, -9600, 50, 1);
50static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(adc_vol_tlv, -9600, 50, 1);
51static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(alc_max_gain_tlv, -650, 150, 0);
52static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(alc_min_gain_tlv, -1200, 150, 0);
53static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(alc_target_tlv, -1650, 150, 0);
54static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(hpmixer_gain_tlv, -1200, 150, 0);
55
56static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(adc_pga_gain_tlv,
57 0, 0, TLV_DB_SCALE_ITEM(-350, 0, 0),
58 1, 1, TLV_DB_SCALE_ITEM(0, 0, 0),
59 2, 2, TLV_DB_SCALE_ITEM(250, 0, 0),
60 3, 3, TLV_DB_SCALE_ITEM(450, 0, 0),
61 4, 4, TLV_DB_SCALE_ITEM(700, 0, 0),
62 5, 5, TLV_DB_SCALE_ITEM(1000, 0, 0),
63 6, 6, TLV_DB_SCALE_ITEM(1300, 0, 0),
64 7, 7, TLV_DB_SCALE_ITEM(1600, 0, 0),
65 8, 8, TLV_DB_SCALE_ITEM(1800, 0, 0),
66 9, 9, TLV_DB_SCALE_ITEM(2100, 0, 0),
67 10, 10, TLV_DB_SCALE_ITEM(2400, 0, 0),
68);
69
70static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(hpout_vol_tlv,
71 0, 0, TLV_DB_SCALE_ITEM(-4800, 0, 0),
72 1, 3, TLV_DB_SCALE_ITEM(-2400, 1200, 0),
73);
74
75static const char * const ng_type_txt[] =
76 { "Constant PGA Gain", "Mute ADC Output" };
77static const struct soc_enum ng_type =
78 SOC_ENUM_SINGLE(ES8316_ADC_ALC_NG, 6, 2, ng_type_txt);
79
80static const char * const adcpol_txt[] = { "Normal", "Invert" };
81static const struct soc_enum adcpol =
82 SOC_ENUM_SINGLE(ES8316_ADC_MUTE, 1, 2, adcpol_txt);
83static const char *const dacpol_txt[] =
84 { "Normal", "R Invert", "L Invert", "L + R Invert" };
85static const struct soc_enum dacpol =
86 SOC_ENUM_SINGLE(ES8316_DAC_SET1, 0, 4, dacpol_txt);
87
88static const struct snd_kcontrol_new es8316_snd_controls[] = {
89 SOC_DOUBLE_TLV("Headphone Playback Volume", ES8316_CPHP_ICAL_VOL,
90 4, 0, 3, 1, hpout_vol_tlv),
91 SOC_DOUBLE_TLV("Headphone Mixer Volume", ES8316_HPMIX_VOL,
92 0, 4, 7, 0, hpmixer_gain_tlv),
93
94 SOC_ENUM("Playback Polarity", dacpol),
95 SOC_DOUBLE_R_TLV("DAC Playback Volume", ES8316_DAC_VOLL,
96 ES8316_DAC_VOLR, 0, 0xc0, 1, dac_vol_tlv),
97 SOC_SINGLE("DAC Soft Ramp Switch", ES8316_DAC_SET1, 4, 1, 1),
98 SOC_SINGLE("DAC Soft Ramp Rate", ES8316_DAC_SET1, 2, 4, 0),
99 SOC_SINGLE("DAC Notch Filter Switch", ES8316_DAC_SET2, 6, 1, 0),
100 SOC_SINGLE("DAC Double Fs Switch", ES8316_DAC_SET2, 7, 1, 0),
101 SOC_SINGLE("DAC Stereo Enhancement", ES8316_DAC_SET3, 0, 7, 0),
102 SOC_SINGLE("DAC Mono Mix Switch", ES8316_DAC_SET3, 3, 1, 0),
103
104 SOC_ENUM("Capture Polarity", adcpol),
105 SOC_SINGLE("Mic Boost Switch", ES8316_ADC_D2SEPGA, 0, 1, 0),
106 SOC_SINGLE_TLV("ADC Capture Volume", ES8316_ADC_VOLUME,
107 0, 0xc0, 1, adc_vol_tlv),
108 SOC_SINGLE_TLV("ADC PGA Gain Volume", ES8316_ADC_PGAGAIN,
109 4, 10, 0, adc_pga_gain_tlv),
110 SOC_SINGLE("ADC Soft Ramp Switch", ES8316_ADC_MUTE, 4, 1, 0),
111 SOC_SINGLE("ADC Double Fs Switch", ES8316_ADC_DMIC, 4, 1, 0),
112
113 SOC_SINGLE("ALC Capture Switch", ES8316_ADC_ALC1, 6, 1, 0),
114 SOC_SINGLE_TLV("ALC Capture Max Volume", ES8316_ADC_ALC1, 0, 28, 0,
115 alc_max_gain_tlv),
116 SOC_SINGLE_TLV("ALC Capture Min Volume", ES8316_ADC_ALC2, 0, 28, 0,
117 alc_min_gain_tlv),
118 SOC_SINGLE_TLV("ALC Capture Target Volume", ES8316_ADC_ALC3, 4, 10, 0,
119 alc_target_tlv),
120 SOC_SINGLE("ALC Capture Hold Time", ES8316_ADC_ALC3, 0, 10, 0),
121 SOC_SINGLE("ALC Capture Decay Time", ES8316_ADC_ALC4, 4, 10, 0),
122 SOC_SINGLE("ALC Capture Attack Time", ES8316_ADC_ALC4, 0, 10, 0),
123 SOC_SINGLE("ALC Capture Noise Gate Switch", ES8316_ADC_ALC_NG,
124 5, 1, 0),
125 SOC_SINGLE("ALC Capture Noise Gate Threshold", ES8316_ADC_ALC_NG,
126 0, 31, 0),
127 SOC_ENUM("ALC Capture Noise Gate Type", ng_type),
128};
129
130
131static const char * const es8316_analog_in_txt[] = {
132 "lin1-rin1",
133 "lin2-rin2",
134 "lin1-rin1 with 20db Boost",
135 "lin2-rin2 with 20db Boost"
136};
137static const unsigned int es8316_analog_in_values[] = { 0, 1, 2, 3 };
138static const struct soc_enum es8316_analog_input_enum =
139 SOC_VALUE_ENUM_SINGLE(ES8316_ADC_PDN_LINSEL, 4, 3,
140 ARRAY_SIZE(es8316_analog_in_txt),
141 es8316_analog_in_txt,
142 es8316_analog_in_values);
143static const struct snd_kcontrol_new es8316_analog_in_mux_controls =
144 SOC_DAPM_ENUM("Route", es8316_analog_input_enum);
145
146static const char * const es8316_dmic_txt[] = {
147 "dmic disable",
148 "dmic data at high level",
149 "dmic data at low level",
150};
151static const unsigned int es8316_dmic_values[] = { 0, 1, 2 };
152static const struct soc_enum es8316_dmic_src_enum =
153 SOC_VALUE_ENUM_SINGLE(ES8316_ADC_DMIC, 0, 3,
154 ARRAY_SIZE(es8316_dmic_txt),
155 es8316_dmic_txt,
156 es8316_dmic_values);
157static const struct snd_kcontrol_new es8316_dmic_src_controls =
158 SOC_DAPM_ENUM("Route", es8316_dmic_src_enum);
159
160
161static const char * const es8316_hpmux_texts[] = {
162 "lin1-rin1",
163 "lin2-rin2",
164 "lin-rin with Boost",
165 "lin-rin with Boost and PGA"
166};
167
168static SOC_ENUM_SINGLE_DECL(es8316_left_hpmux_enum, ES8316_HPMIX_SEL,
169 4, es8316_hpmux_texts);
170
171static const struct snd_kcontrol_new es8316_left_hpmux_controls =
172 SOC_DAPM_ENUM("Route", es8316_left_hpmux_enum);
173
174static SOC_ENUM_SINGLE_DECL(es8316_right_hpmux_enum, ES8316_HPMIX_SEL,
175 0, es8316_hpmux_texts);
176
177static const struct snd_kcontrol_new es8316_right_hpmux_controls =
178 SOC_DAPM_ENUM("Route", es8316_right_hpmux_enum);
179
180
181static const struct snd_kcontrol_new es8316_out_left_mix[] = {
182 SOC_DAPM_SINGLE("LLIN Switch", ES8316_HPMIX_SWITCH, 6, 1, 0),
183 SOC_DAPM_SINGLE("Left DAC Switch", ES8316_HPMIX_SWITCH, 7, 1, 0),
184};
185static const struct snd_kcontrol_new es8316_out_right_mix[] = {
186 SOC_DAPM_SINGLE("RLIN Switch", ES8316_HPMIX_SWITCH, 2, 1, 0),
187 SOC_DAPM_SINGLE("Right DAC Switch", ES8316_HPMIX_SWITCH, 3, 1, 0),
188};
189
190
191static const char * const es8316_dacsrc_texts[] = {
192 "LDATA TO LDAC, RDATA TO RDAC",
193 "LDATA TO LDAC, LDATA TO RDAC",
194 "RDATA TO LDAC, RDATA TO RDAC",
195 "RDATA TO LDAC, LDATA TO RDAC",
196};
197
198static SOC_ENUM_SINGLE_DECL(es8316_dacsrc_mux_enum, ES8316_DAC_SET1,
199 6, es8316_dacsrc_texts);
200
201static const struct snd_kcontrol_new es8316_dacsrc_mux_controls =
202 SOC_DAPM_ENUM("Route", es8316_dacsrc_mux_enum);
203
204static const struct snd_soc_dapm_widget es8316_dapm_widgets[] = {
205 SND_SOC_DAPM_SUPPLY("Bias", ES8316_SYS_PDN, 3, 1, NULL, 0),
206 SND_SOC_DAPM_SUPPLY("Analog power", ES8316_SYS_PDN, 4, 1, NULL, 0),
207 SND_SOC_DAPM_SUPPLY("Mic Bias", ES8316_SYS_PDN, 5, 1, NULL, 0),
208
209 SND_SOC_DAPM_INPUT("DMIC"),
210 SND_SOC_DAPM_INPUT("MIC1"),
211 SND_SOC_DAPM_INPUT("MIC2"),
212
213
214 SND_SOC_DAPM_MUX("Differential Mux", SND_SOC_NOPM, 0, 0,
215 &es8316_analog_in_mux_controls),
216
217 SND_SOC_DAPM_SUPPLY("ADC Vref", ES8316_SYS_PDN, 1, 1, NULL, 0),
218 SND_SOC_DAPM_SUPPLY("ADC bias", ES8316_SYS_PDN, 2, 1, NULL, 0),
219 SND_SOC_DAPM_SUPPLY("ADC Clock", ES8316_CLKMGR_CLKSW, 3, 0, NULL, 0),
220 SND_SOC_DAPM_PGA("Line input PGA", ES8316_ADC_PDN_LINSEL,
221 7, 1, NULL, 0),
222 SND_SOC_DAPM_ADC("Mono ADC", NULL, ES8316_ADC_PDN_LINSEL, 6, 1),
223 SND_SOC_DAPM_MUX("Digital Mic Mux", SND_SOC_NOPM, 0, 0,
224 &es8316_dmic_src_controls),
225
226
227 SND_SOC_DAPM_AIF_OUT("I2S OUT", "I2S1 Capture", 1,
228 ES8316_SERDATA_ADC, 6, 1),
229 SND_SOC_DAPM_AIF_IN("I2S IN", "I2S1 Playback", 0,
230 SND_SOC_NOPM, 0, 0),
231
232 SND_SOC_DAPM_MUX("DAC Source Mux", SND_SOC_NOPM, 0, 0,
233 &es8316_dacsrc_mux_controls),
234
235 SND_SOC_DAPM_SUPPLY("DAC Vref", ES8316_SYS_PDN, 0, 1, NULL, 0),
236 SND_SOC_DAPM_SUPPLY("DAC Clock", ES8316_CLKMGR_CLKSW, 2, 0, NULL, 0),
237 SND_SOC_DAPM_DAC("Right DAC", NULL, ES8316_DAC_PDN, 0, 1),
238 SND_SOC_DAPM_DAC("Left DAC", NULL, ES8316_DAC_PDN, 4, 1),
239
240
241 SND_SOC_DAPM_MUX("Left Headphone Mux", SND_SOC_NOPM, 0, 0,
242 &es8316_left_hpmux_controls),
243 SND_SOC_DAPM_MUX("Right Headphone Mux", SND_SOC_NOPM, 0, 0,
244 &es8316_right_hpmux_controls),
245 SND_SOC_DAPM_MIXER("Left Headphone Mixer", ES8316_HPMIX_PDN,
246 5, 1, &es8316_out_left_mix[0],
247 ARRAY_SIZE(es8316_out_left_mix)),
248 SND_SOC_DAPM_MIXER("Right Headphone Mixer", ES8316_HPMIX_PDN,
249 1, 1, &es8316_out_right_mix[0],
250 ARRAY_SIZE(es8316_out_right_mix)),
251 SND_SOC_DAPM_PGA("Left Headphone Mixer Out", ES8316_HPMIX_PDN,
252 4, 1, NULL, 0),
253 SND_SOC_DAPM_PGA("Right Headphone Mixer Out", ES8316_HPMIX_PDN,
254 0, 1, NULL, 0),
255
256 SND_SOC_DAPM_OUT_DRV("Left Headphone Charge Pump", ES8316_CPHP_OUTEN,
257 6, 0, NULL, 0),
258 SND_SOC_DAPM_OUT_DRV("Right Headphone Charge Pump", ES8316_CPHP_OUTEN,
259 2, 0, NULL, 0),
260 SND_SOC_DAPM_SUPPLY("Headphone Charge Pump", ES8316_CPHP_PDN2,
261 5, 1, NULL, 0),
262 SND_SOC_DAPM_SUPPLY("Headphone Charge Pump Clock", ES8316_CLKMGR_CLKSW,
263 4, 0, NULL, 0),
264
265 SND_SOC_DAPM_OUT_DRV("Left Headphone Driver", ES8316_CPHP_OUTEN,
266 5, 0, NULL, 0),
267 SND_SOC_DAPM_OUT_DRV("Right Headphone Driver", ES8316_CPHP_OUTEN,
268 1, 0, NULL, 0),
269 SND_SOC_DAPM_SUPPLY("Headphone Out", ES8316_CPHP_PDN1, 2, 1, NULL, 0),
270
271
272
273
274 SND_SOC_DAPM_SUPPLY("Left Headphone ical", ES8316_CPHP_ICAL_VOL,
275 7, 1, NULL, 0),
276 SND_SOC_DAPM_SUPPLY("Right Headphone ical", ES8316_CPHP_ICAL_VOL,
277 3, 1, NULL, 0),
278
279 SND_SOC_DAPM_OUTPUT("HPOL"),
280 SND_SOC_DAPM_OUTPUT("HPOR"),
281};
282
283static const struct snd_soc_dapm_route es8316_dapm_routes[] = {
284
285 {"MIC1", NULL, "Mic Bias"},
286 {"MIC2", NULL, "Mic Bias"},
287 {"MIC1", NULL, "Bias"},
288 {"MIC2", NULL, "Bias"},
289 {"MIC1", NULL, "Analog power"},
290 {"MIC2", NULL, "Analog power"},
291
292 {"Differential Mux", "lin1-rin1", "MIC1"},
293 {"Differential Mux", "lin2-rin2", "MIC2"},
294 {"Line input PGA", NULL, "Differential Mux"},
295
296 {"Mono ADC", NULL, "ADC Clock"},
297 {"Mono ADC", NULL, "ADC Vref"},
298 {"Mono ADC", NULL, "ADC bias"},
299 {"Mono ADC", NULL, "Line input PGA"},
300
301
302
303
304 {"Mono ADC", NULL, "DAC Clock"},
305
306 {"Digital Mic Mux", "dmic disable", "Mono ADC"},
307
308 {"I2S OUT", NULL, "Digital Mic Mux"},
309
310
311 {"DAC Source Mux", "LDATA TO LDAC, RDATA TO RDAC", "I2S IN"},
312
313 {"Left DAC", NULL, "DAC Clock"},
314 {"Right DAC", NULL, "DAC Clock"},
315
316 {"Left DAC", NULL, "DAC Vref"},
317 {"Right DAC", NULL, "DAC Vref"},
318
319 {"Left DAC", NULL, "DAC Source Mux"},
320 {"Right DAC", NULL, "DAC Source Mux"},
321
322 {"Left Headphone Mux", "lin-rin with Boost and PGA", "Line input PGA"},
323 {"Right Headphone Mux", "lin-rin with Boost and PGA", "Line input PGA"},
324
325 {"Left Headphone Mixer", "LLIN Switch", "Left Headphone Mux"},
326 {"Left Headphone Mixer", "Left DAC Switch", "Left DAC"},
327
328 {"Right Headphone Mixer", "RLIN Switch", "Right Headphone Mux"},
329 {"Right Headphone Mixer", "Right DAC Switch", "Right DAC"},
330
331 {"Left Headphone Mixer Out", NULL, "Left Headphone Mixer"},
332 {"Right Headphone Mixer Out", NULL, "Right Headphone Mixer"},
333
334 {"Left Headphone Charge Pump", NULL, "Left Headphone Mixer Out"},
335 {"Right Headphone Charge Pump", NULL, "Right Headphone Mixer Out"},
336
337 {"Left Headphone Charge Pump", NULL, "Headphone Charge Pump"},
338 {"Right Headphone Charge Pump", NULL, "Headphone Charge Pump"},
339
340 {"Left Headphone Charge Pump", NULL, "Headphone Charge Pump Clock"},
341 {"Right Headphone Charge Pump", NULL, "Headphone Charge Pump Clock"},
342
343 {"Left Headphone Driver", NULL, "Left Headphone Charge Pump"},
344 {"Right Headphone Driver", NULL, "Right Headphone Charge Pump"},
345
346 {"HPOL", NULL, "Left Headphone Driver"},
347 {"HPOR", NULL, "Right Headphone Driver"},
348
349 {"HPOL", NULL, "Left Headphone ical"},
350 {"HPOR", NULL, "Right Headphone ical"},
351
352 {"Headphone Out", NULL, "Bias"},
353 {"Headphone Out", NULL, "Analog power"},
354 {"HPOL", NULL, "Headphone Out"},
355 {"HPOR", NULL, "Headphone Out"},
356};
357
358static int es8316_set_dai_sysclk(struct snd_soc_dai *codec_dai,
359 int clk_id, unsigned int freq, int dir)
360{
361 struct snd_soc_component *component = codec_dai->component;
362 struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);
363 int i;
364 int count = 0;
365
366 es8316->sysclk = freq;
367
368 if (freq == 0)
369 return 0;
370
371
372
373
374 for (i = 0; i < NR_SUPPORTED_MCLK_LRCK_RATIOS; i++) {
375 const unsigned int ratio = supported_mclk_lrck_ratios[i];
376
377 if (freq % ratio == 0)
378 es8316->allowed_rates[count++] = freq / ratio;
379 }
380
381 es8316->sysclk_constraints.list = es8316->allowed_rates;
382 es8316->sysclk_constraints.count = count;
383
384 return 0;
385}
386
387static int es8316_set_dai_fmt(struct snd_soc_dai *codec_dai,
388 unsigned int fmt)
389{
390 struct snd_soc_component *component = codec_dai->component;
391 u8 serdata1 = 0;
392 u8 serdata2 = 0;
393 u8 clksw;
394 u8 mask;
395
396 if ((fmt & SND_SOC_DAIFMT_MASTER_MASK) != SND_SOC_DAIFMT_CBS_CFS) {
397 dev_err(component->dev, "Codec driver only supports slave mode\n");
398 return -EINVAL;
399 }
400
401 if ((fmt & SND_SOC_DAIFMT_FORMAT_MASK) != SND_SOC_DAIFMT_I2S) {
402 dev_err(component->dev, "Codec driver only supports I2S format\n");
403 return -EINVAL;
404 }
405
406
407 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
408 case SND_SOC_DAIFMT_NB_NF:
409 break;
410 case SND_SOC_DAIFMT_IB_IF:
411 serdata1 |= ES8316_SERDATA1_BCLK_INV;
412 serdata2 |= ES8316_SERDATA2_ADCLRP;
413 break;
414 case SND_SOC_DAIFMT_IB_NF:
415 serdata1 |= ES8316_SERDATA1_BCLK_INV;
416 break;
417 case SND_SOC_DAIFMT_NB_IF:
418 serdata2 |= ES8316_SERDATA2_ADCLRP;
419 break;
420 default:
421 return -EINVAL;
422 }
423
424 mask = ES8316_SERDATA1_MASTER | ES8316_SERDATA1_BCLK_INV;
425 snd_soc_component_update_bits(component, ES8316_SERDATA1, mask, serdata1);
426
427 mask = ES8316_SERDATA2_FMT_MASK | ES8316_SERDATA2_ADCLRP;
428 snd_soc_component_update_bits(component, ES8316_SERDATA_ADC, mask, serdata2);
429 snd_soc_component_update_bits(component, ES8316_SERDATA_DAC, mask, serdata2);
430
431
432 clksw = ES8316_CLKMGR_CLKSW_MCLK_ON | ES8316_CLKMGR_CLKSW_BCLK_ON;
433 snd_soc_component_update_bits(component, ES8316_CLKMGR_CLKSW, clksw, clksw);
434
435 return 0;
436}
437
438static int es8316_pcm_startup(struct snd_pcm_substream *substream,
439 struct snd_soc_dai *dai)
440{
441 struct snd_soc_component *component = dai->component;
442 struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);
443
444 if (es8316->sysclk == 0) {
445 dev_err(component->dev, "No sysclk provided\n");
446 return -EINVAL;
447 }
448
449
450
451
452 snd_pcm_hw_constraint_list(substream->runtime, 0,
453 SNDRV_PCM_HW_PARAM_RATE,
454 &es8316->sysclk_constraints);
455
456 return 0;
457}
458
459static int es8316_pcm_hw_params(struct snd_pcm_substream *substream,
460 struct snd_pcm_hw_params *params,
461 struct snd_soc_dai *dai)
462{
463 struct snd_soc_component *component = dai->component;
464 struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);
465 u8 wordlen = 0;
466
467 if (!es8316->sysclk) {
468 dev_err(component->dev, "No MCLK configured\n");
469 return -EINVAL;
470 }
471
472 switch (params_format(params)) {
473 case SNDRV_PCM_FORMAT_S16_LE:
474 wordlen = ES8316_SERDATA2_LEN_16;
475 break;
476 case SNDRV_PCM_FORMAT_S20_3LE:
477 wordlen = ES8316_SERDATA2_LEN_20;
478 break;
479 case SNDRV_PCM_FORMAT_S24_LE:
480 wordlen = ES8316_SERDATA2_LEN_24;
481 break;
482 case SNDRV_PCM_FORMAT_S32_LE:
483 wordlen = ES8316_SERDATA2_LEN_32;
484 break;
485 default:
486 return -EINVAL;
487 }
488
489 snd_soc_component_update_bits(component, ES8316_SERDATA_DAC,
490 ES8316_SERDATA2_LEN_MASK, wordlen);
491 snd_soc_component_update_bits(component, ES8316_SERDATA_ADC,
492 ES8316_SERDATA2_LEN_MASK, wordlen);
493 return 0;
494}
495
496static int es8316_mute(struct snd_soc_dai *dai, int mute)
497{
498 snd_soc_component_update_bits(dai->component, ES8316_DAC_SET1, 0x20,
499 mute ? 0x20 : 0);
500 return 0;
501}
502
503#define ES8316_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
504 SNDRV_PCM_FMTBIT_S24_LE)
505
506static const struct snd_soc_dai_ops es8316_ops = {
507 .startup = es8316_pcm_startup,
508 .hw_params = es8316_pcm_hw_params,
509 .set_fmt = es8316_set_dai_fmt,
510 .set_sysclk = es8316_set_dai_sysclk,
511 .digital_mute = es8316_mute,
512};
513
514static struct snd_soc_dai_driver es8316_dai = {
515 .name = "ES8316 HiFi",
516 .playback = {
517 .stream_name = "Playback",
518 .channels_min = 1,
519 .channels_max = 2,
520 .rates = SNDRV_PCM_RATE_8000_48000,
521 .formats = ES8316_FORMATS,
522 },
523 .capture = {
524 .stream_name = "Capture",
525 .channels_min = 1,
526 .channels_max = 2,
527 .rates = SNDRV_PCM_RATE_8000_48000,
528 .formats = ES8316_FORMATS,
529 },
530 .ops = &es8316_ops,
531 .symmetric_rates = 1,
532};
533
534static void es8316_enable_micbias_for_mic_gnd_short_detect(
535 struct snd_soc_component *component)
536{
537 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
538
539 snd_soc_dapm_mutex_lock(dapm);
540 snd_soc_dapm_force_enable_pin_unlocked(dapm, "Bias");
541 snd_soc_dapm_force_enable_pin_unlocked(dapm, "Analog power");
542 snd_soc_dapm_force_enable_pin_unlocked(dapm, "Mic Bias");
543 snd_soc_dapm_sync_unlocked(dapm);
544 snd_soc_dapm_mutex_unlock(dapm);
545
546 msleep(20);
547}
548
549static void es8316_disable_micbias_for_mic_gnd_short_detect(
550 struct snd_soc_component *component)
551{
552 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
553
554 snd_soc_dapm_mutex_lock(dapm);
555 snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Bias");
556 snd_soc_dapm_disable_pin_unlocked(dapm, "Analog power");
557 snd_soc_dapm_disable_pin_unlocked(dapm, "Bias");
558 snd_soc_dapm_sync_unlocked(dapm);
559 snd_soc_dapm_mutex_unlock(dapm);
560}
561
562static irqreturn_t es8316_irq(int irq, void *data)
563{
564 struct es8316_priv *es8316 = data;
565 struct snd_soc_component *comp = es8316->component;
566 unsigned int flags;
567
568 mutex_lock(&es8316->lock);
569
570 regmap_read(es8316->regmap, ES8316_GPIO_FLAG, &flags);
571 if (flags == 0x00)
572 goto out;
573
574
575 if (!es8316->jack)
576 goto out;
577
578 if (es8316->jd_inverted)
579 flags ^= ES8316_GPIO_FLAG_HP_NOT_INSERTED;
580
581 dev_dbg(comp->dev, "gpio flags %#04x\n", flags);
582 if (flags & ES8316_GPIO_FLAG_HP_NOT_INSERTED) {
583
584 if (es8316->jack->status & SND_JACK_MICROPHONE)
585 es8316_disable_micbias_for_mic_gnd_short_detect(comp);
586
587 if (es8316->jack->status & SND_JACK_HEADPHONE) {
588 snd_soc_jack_report(es8316->jack, 0,
589 SND_JACK_HEADSET | SND_JACK_BTN_0);
590 dev_dbg(comp->dev, "jack unplugged\n");
591 }
592 } else if (!(es8316->jack->status & SND_JACK_HEADPHONE)) {
593
594 es8316_enable_micbias_for_mic_gnd_short_detect(comp);
595 regmap_read(es8316->regmap, ES8316_GPIO_FLAG, &flags);
596 if (es8316->jd_inverted)
597 flags ^= ES8316_GPIO_FLAG_HP_NOT_INSERTED;
598 dev_dbg(comp->dev, "gpio flags %#04x\n", flags);
599 if (flags & ES8316_GPIO_FLAG_HP_NOT_INSERTED) {
600
601 es8316_disable_micbias_for_mic_gnd_short_detect(comp);
602 } else if (flags & ES8316_GPIO_FLAG_GM_NOT_SHORTED) {
603
604 snd_soc_jack_report(es8316->jack,
605 SND_JACK_HEADSET,
606 SND_JACK_HEADSET);
607
608 } else {
609
610 snd_soc_jack_report(es8316->jack,
611 SND_JACK_HEADPHONE,
612 SND_JACK_HEADSET);
613
614 es8316_disable_micbias_for_mic_gnd_short_detect(comp);
615 }
616 } else if (es8316->jack->status & SND_JACK_MICROPHONE) {
617
618 if (flags & ES8316_GPIO_FLAG_GM_NOT_SHORTED) {
619
620 snd_soc_jack_report(es8316->jack, 0, SND_JACK_BTN_0);
621 } else {
622
623 snd_soc_jack_report(es8316->jack,
624 SND_JACK_BTN_0,
625 SND_JACK_BTN_0);
626 }
627 }
628
629out:
630 mutex_unlock(&es8316->lock);
631 return IRQ_HANDLED;
632}
633
634static void es8316_enable_jack_detect(struct snd_soc_component *component,
635 struct snd_soc_jack *jack)
636{
637 struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);
638
639
640
641
642
643
644 es8316->jd_inverted = device_property_read_bool(component->dev,
645 "everest,jack-detect-inverted");
646
647 mutex_lock(&es8316->lock);
648
649 es8316->jack = jack;
650
651 if (es8316->jack->status & SND_JACK_MICROPHONE)
652 es8316_enable_micbias_for_mic_gnd_short_detect(component);
653
654 snd_soc_component_update_bits(component, ES8316_GPIO_DEBOUNCE,
655 ES8316_GPIO_ENABLE_INTERRUPT,
656 ES8316_GPIO_ENABLE_INTERRUPT);
657
658 mutex_unlock(&es8316->lock);
659
660
661 enable_irq(es8316->irq);
662 es8316_irq(es8316->irq, es8316);
663}
664
665static void es8316_disable_jack_detect(struct snd_soc_component *component)
666{
667 struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);
668
669 disable_irq(es8316->irq);
670
671 mutex_lock(&es8316->lock);
672
673 snd_soc_component_update_bits(component, ES8316_GPIO_DEBOUNCE,
674 ES8316_GPIO_ENABLE_INTERRUPT, 0);
675
676 if (es8316->jack->status & SND_JACK_MICROPHONE) {
677 es8316_disable_micbias_for_mic_gnd_short_detect(component);
678 snd_soc_jack_report(es8316->jack, 0, SND_JACK_BTN_0);
679 }
680
681 es8316->jack = NULL;
682
683 mutex_unlock(&es8316->lock);
684}
685
686static int es8316_set_jack(struct snd_soc_component *component,
687 struct snd_soc_jack *jack, void *data)
688{
689 if (jack)
690 es8316_enable_jack_detect(component, jack);
691 else
692 es8316_disable_jack_detect(component);
693
694 return 0;
695}
696
697static int es8316_probe(struct snd_soc_component *component)
698{
699 struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);
700
701 es8316->component = component;
702
703
704 snd_soc_component_write(component, ES8316_RESET, 0x3f);
705 usleep_range(5000, 5500);
706 snd_soc_component_write(component, ES8316_RESET, ES8316_RESET_CSM_ON);
707 msleep(30);
708
709
710
711
712
713 snd_soc_component_write(component, ES8316_SYS_VMIDSEL, 0xff);
714
715
716
717
718
719
720 snd_soc_component_write(component, ES8316_CLKMGR_ADCOSR, 0x32);
721
722 return 0;
723}
724
725static const struct snd_soc_component_driver soc_component_dev_es8316 = {
726 .probe = es8316_probe,
727 .set_jack = es8316_set_jack,
728 .controls = es8316_snd_controls,
729 .num_controls = ARRAY_SIZE(es8316_snd_controls),
730 .dapm_widgets = es8316_dapm_widgets,
731 .num_dapm_widgets = ARRAY_SIZE(es8316_dapm_widgets),
732 .dapm_routes = es8316_dapm_routes,
733 .num_dapm_routes = ARRAY_SIZE(es8316_dapm_routes),
734 .use_pmdown_time = 1,
735 .endianness = 1,
736 .non_legacy_dai_naming = 1,
737};
738
739static const struct regmap_range es8316_volatile_ranges[] = {
740 regmap_reg_range(ES8316_GPIO_FLAG, ES8316_GPIO_FLAG),
741};
742
743static const struct regmap_access_table es8316_volatile_table = {
744 .yes_ranges = es8316_volatile_ranges,
745 .n_yes_ranges = ARRAY_SIZE(es8316_volatile_ranges),
746};
747
748static const struct regmap_config es8316_regmap = {
749 .reg_bits = 8,
750 .val_bits = 8,
751 .max_register = 0x53,
752 .volatile_table = &es8316_volatile_table,
753 .cache_type = REGCACHE_RBTREE,
754};
755
756static int es8316_i2c_probe(struct i2c_client *i2c_client,
757 const struct i2c_device_id *id)
758{
759 struct device *dev = &i2c_client->dev;
760 struct es8316_priv *es8316;
761 int ret;
762
763 es8316 = devm_kzalloc(&i2c_client->dev, sizeof(struct es8316_priv),
764 GFP_KERNEL);
765 if (es8316 == NULL)
766 return -ENOMEM;
767
768 i2c_set_clientdata(i2c_client, es8316);
769
770 es8316->regmap = devm_regmap_init_i2c(i2c_client, &es8316_regmap);
771 if (IS_ERR(es8316->regmap))
772 return PTR_ERR(es8316->regmap);
773
774 es8316->irq = i2c_client->irq;
775 mutex_init(&es8316->lock);
776
777 ret = devm_request_threaded_irq(dev, es8316->irq, NULL, es8316_irq,
778 IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
779 "es8316", es8316);
780 if (ret == 0) {
781
782 disable_irq(es8316->irq);
783 } else {
784 dev_warn(dev, "Failed to get IRQ %d: %d\n", es8316->irq, ret);
785 es8316->irq = -ENXIO;
786 }
787
788 return devm_snd_soc_register_component(&i2c_client->dev,
789 &soc_component_dev_es8316,
790 &es8316_dai, 1);
791}
792
793static const struct i2c_device_id es8316_i2c_id[] = {
794 {"es8316", 0 },
795 {}
796};
797MODULE_DEVICE_TABLE(i2c, es8316_i2c_id);
798
799static const struct of_device_id es8316_of_match[] = {
800 { .compatible = "everest,es8316", },
801 {},
802};
803MODULE_DEVICE_TABLE(of, es8316_of_match);
804
805static const struct acpi_device_id es8316_acpi_match[] = {
806 {"ESSX8316", 0},
807 {},
808};
809MODULE_DEVICE_TABLE(acpi, es8316_acpi_match);
810
811static struct i2c_driver es8316_i2c_driver = {
812 .driver = {
813 .name = "es8316",
814 .acpi_match_table = ACPI_PTR(es8316_acpi_match),
815 .of_match_table = of_match_ptr(es8316_of_match),
816 },
817 .probe = es8316_i2c_probe,
818 .id_table = es8316_i2c_id,
819};
820module_i2c_driver(es8316_i2c_driver);
821
822MODULE_DESCRIPTION("Everest Semi ES8316 ALSA SoC Codec Driver");
823MODULE_AUTHOR("David Yang <yangxiaohua@everest-semi.com>");
824MODULE_LICENSE("GPL v2");
825
