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10#include <linux/module.h>
11#include <linux/acpi.h>
12#include <linux/clk.h>
13#include <linux/delay.h>
14#include <linux/i2c.h>
15#include <linux/mod_devicetable.h>
16#include <linux/mutex.h>
17#include <linux/regmap.h>
18#include <sound/pcm.h>
19#include <sound/pcm_params.h>
20#include <sound/soc.h>
21#include <sound/soc-dapm.h>
22#include <sound/tlv.h>
23#include <sound/jack.h>
24#include "es8316.h"
25
26
27
28
29
30#define NR_SUPPORTED_MCLK_LRCK_RATIOS 6
31static const unsigned int supported_mclk_lrck_ratios[] = {
32 256, 384, 400, 512, 768, 1024
33};
34
35struct es8316_priv {
36 struct mutex lock;
37 struct clk *mclk;
38 struct regmap *regmap;
39 struct snd_soc_component *component;
40 struct snd_soc_jack *jack;
41 int irq;
42 unsigned int sysclk;
43 unsigned int allowed_rates[NR_SUPPORTED_MCLK_LRCK_RATIOS];
44 struct snd_pcm_hw_constraint_list sysclk_constraints;
45 bool jd_inverted;
46};
47
48
49
50
51static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(dac_vol_tlv, -9600, 50, 1);
52static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(adc_vol_tlv, -9600, 50, 1);
53static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(alc_max_gain_tlv, -650, 150, 0);
54static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(alc_min_gain_tlv, -1200, 150, 0);
55static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(alc_target_tlv, -1650, 150, 0);
56static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(hpmixer_gain_tlv,
57 0, 4, TLV_DB_SCALE_ITEM(-1200, 150, 0),
58 8, 11, TLV_DB_SCALE_ITEM(-450, 150, 0),
59);
60
61static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(adc_pga_gain_tlv,
62 0, 0, TLV_DB_SCALE_ITEM(-350, 0, 0),
63 1, 1, TLV_DB_SCALE_ITEM(0, 0, 0),
64 2, 2, TLV_DB_SCALE_ITEM(250, 0, 0),
65 3, 3, TLV_DB_SCALE_ITEM(450, 0, 0),
66 4, 7, TLV_DB_SCALE_ITEM(700, 300, 0),
67 8, 10, TLV_DB_SCALE_ITEM(1800, 300, 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 4, 0, 11, 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, ret;
364 int count = 0;
365
366 es8316->sysclk = freq;
367
368 if (freq == 0) {
369 es8316->sysclk_constraints.list = NULL;
370 es8316->sysclk_constraints.count = 0;
371
372 return 0;
373 }
374
375 ret = clk_set_rate(es8316->mclk, freq);
376 if (ret)
377 return ret;
378
379
380
381
382 for (i = 0; i < NR_SUPPORTED_MCLK_LRCK_RATIOS; i++) {
383 const unsigned int ratio = supported_mclk_lrck_ratios[i];
384
385 if (freq % ratio == 0)
386 es8316->allowed_rates[count++] = freq / ratio;
387 }
388
389 es8316->sysclk_constraints.list = es8316->allowed_rates;
390 es8316->sysclk_constraints.count = count;
391
392 return 0;
393}
394
395static int es8316_set_dai_fmt(struct snd_soc_dai *codec_dai,
396 unsigned int fmt)
397{
398 struct snd_soc_component *component = codec_dai->component;
399 u8 serdata1 = 0;
400 u8 serdata2 = 0;
401 u8 clksw;
402 u8 mask;
403
404 if ((fmt & SND_SOC_DAIFMT_MASTER_MASK) != SND_SOC_DAIFMT_CBS_CFS) {
405 dev_err(component->dev, "Codec driver only supports slave mode\n");
406 return -EINVAL;
407 }
408
409 if ((fmt & SND_SOC_DAIFMT_FORMAT_MASK) != SND_SOC_DAIFMT_I2S) {
410 dev_err(component->dev, "Codec driver only supports I2S format\n");
411 return -EINVAL;
412 }
413
414
415 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
416 case SND_SOC_DAIFMT_NB_NF:
417 break;
418 case SND_SOC_DAIFMT_IB_IF:
419 serdata1 |= ES8316_SERDATA1_BCLK_INV;
420 serdata2 |= ES8316_SERDATA2_ADCLRP;
421 break;
422 case SND_SOC_DAIFMT_IB_NF:
423 serdata1 |= ES8316_SERDATA1_BCLK_INV;
424 break;
425 case SND_SOC_DAIFMT_NB_IF:
426 serdata2 |= ES8316_SERDATA2_ADCLRP;
427 break;
428 default:
429 return -EINVAL;
430 }
431
432 mask = ES8316_SERDATA1_MASTER | ES8316_SERDATA1_BCLK_INV;
433 snd_soc_component_update_bits(component, ES8316_SERDATA1, mask, serdata1);
434
435 mask = ES8316_SERDATA2_FMT_MASK | ES8316_SERDATA2_ADCLRP;
436 snd_soc_component_update_bits(component, ES8316_SERDATA_ADC, mask, serdata2);
437 snd_soc_component_update_bits(component, ES8316_SERDATA_DAC, mask, serdata2);
438
439
440 clksw = ES8316_CLKMGR_CLKSW_MCLK_ON | ES8316_CLKMGR_CLKSW_BCLK_ON;
441 snd_soc_component_update_bits(component, ES8316_CLKMGR_CLKSW, clksw, clksw);
442
443 return 0;
444}
445
446static int es8316_pcm_startup(struct snd_pcm_substream *substream,
447 struct snd_soc_dai *dai)
448{
449 struct snd_soc_component *component = dai->component;
450 struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);
451
452 if (es8316->sysclk_constraints.list)
453 snd_pcm_hw_constraint_list(substream->runtime, 0,
454 SNDRV_PCM_HW_PARAM_RATE,
455 &es8316->sysclk_constraints);
456
457 return 0;
458}
459
460static int es8316_pcm_hw_params(struct snd_pcm_substream *substream,
461 struct snd_pcm_hw_params *params,
462 struct snd_soc_dai *dai)
463{
464 struct snd_soc_component *component = dai->component;
465 struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);
466 u8 wordlen = 0;
467 int i;
468
469
470 for (i = 0; i < NR_SUPPORTED_MCLK_LRCK_RATIOS; i++) {
471 const unsigned int ratio = supported_mclk_lrck_ratios[i];
472
473 if (es8316->sysclk % ratio != 0)
474 continue;
475 if (es8316->sysclk / ratio == params_rate(params))
476 break;
477 }
478 if (i == NR_SUPPORTED_MCLK_LRCK_RATIOS)
479 return -EINVAL;
480
481 switch (params_format(params)) {
482 case SNDRV_PCM_FORMAT_S16_LE:
483 wordlen = ES8316_SERDATA2_LEN_16;
484 break;
485 case SNDRV_PCM_FORMAT_S20_3LE:
486 wordlen = ES8316_SERDATA2_LEN_20;
487 break;
488 case SNDRV_PCM_FORMAT_S24_LE:
489 wordlen = ES8316_SERDATA2_LEN_24;
490 break;
491 case SNDRV_PCM_FORMAT_S32_LE:
492 wordlen = ES8316_SERDATA2_LEN_32;
493 break;
494 default:
495 return -EINVAL;
496 }
497
498 snd_soc_component_update_bits(component, ES8316_SERDATA_DAC,
499 ES8316_SERDATA2_LEN_MASK, wordlen);
500 snd_soc_component_update_bits(component, ES8316_SERDATA_ADC,
501 ES8316_SERDATA2_LEN_MASK, wordlen);
502 return 0;
503}
504
505static int es8316_mute(struct snd_soc_dai *dai, int mute, int direction)
506{
507 snd_soc_component_update_bits(dai->component, ES8316_DAC_SET1, 0x20,
508 mute ? 0x20 : 0);
509 return 0;
510}
511
512#define ES8316_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
513 SNDRV_PCM_FMTBIT_S24_LE)
514
515static const struct snd_soc_dai_ops es8316_ops = {
516 .startup = es8316_pcm_startup,
517 .hw_params = es8316_pcm_hw_params,
518 .set_fmt = es8316_set_dai_fmt,
519 .set_sysclk = es8316_set_dai_sysclk,
520 .mute_stream = es8316_mute,
521 .no_capture_mute = 1,
522};
523
524static struct snd_soc_dai_driver es8316_dai = {
525 .name = "ES8316 HiFi",
526 .playback = {
527 .stream_name = "Playback",
528 .channels_min = 1,
529 .channels_max = 2,
530 .rates = SNDRV_PCM_RATE_8000_48000,
531 .formats = ES8316_FORMATS,
532 },
533 .capture = {
534 .stream_name = "Capture",
535 .channels_min = 1,
536 .channels_max = 2,
537 .rates = SNDRV_PCM_RATE_8000_48000,
538 .formats = ES8316_FORMATS,
539 },
540 .ops = &es8316_ops,
541 .symmetric_rate = 1,
542};
543
544static void es8316_enable_micbias_for_mic_gnd_short_detect(
545 struct snd_soc_component *component)
546{
547 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
548
549 snd_soc_dapm_mutex_lock(dapm);
550 snd_soc_dapm_force_enable_pin_unlocked(dapm, "Bias");
551 snd_soc_dapm_force_enable_pin_unlocked(dapm, "Analog power");
552 snd_soc_dapm_force_enable_pin_unlocked(dapm, "Mic Bias");
553 snd_soc_dapm_sync_unlocked(dapm);
554 snd_soc_dapm_mutex_unlock(dapm);
555
556 msleep(20);
557}
558
559static void es8316_disable_micbias_for_mic_gnd_short_detect(
560 struct snd_soc_component *component)
561{
562 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
563
564 snd_soc_dapm_mutex_lock(dapm);
565 snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Bias");
566 snd_soc_dapm_disable_pin_unlocked(dapm, "Analog power");
567 snd_soc_dapm_disable_pin_unlocked(dapm, "Bias");
568 snd_soc_dapm_sync_unlocked(dapm);
569 snd_soc_dapm_mutex_unlock(dapm);
570}
571
572static irqreturn_t es8316_irq(int irq, void *data)
573{
574 struct es8316_priv *es8316 = data;
575 struct snd_soc_component *comp = es8316->component;
576 unsigned int flags;
577
578 mutex_lock(&es8316->lock);
579
580 regmap_read(es8316->regmap, ES8316_GPIO_FLAG, &flags);
581 if (flags == 0x00)
582 goto out;
583
584
585 if (!es8316->jack)
586 goto out;
587
588 if (es8316->jd_inverted)
589 flags ^= ES8316_GPIO_FLAG_HP_NOT_INSERTED;
590
591 dev_dbg(comp->dev, "gpio flags %#04x\n", flags);
592 if (flags & ES8316_GPIO_FLAG_HP_NOT_INSERTED) {
593
594 if (es8316->jack->status & SND_JACK_MICROPHONE)
595 es8316_disable_micbias_for_mic_gnd_short_detect(comp);
596
597 if (es8316->jack->status & SND_JACK_HEADPHONE) {
598 snd_soc_jack_report(es8316->jack, 0,
599 SND_JACK_HEADSET | SND_JACK_BTN_0);
600 dev_dbg(comp->dev, "jack unplugged\n");
601 }
602 } else if (!(es8316->jack->status & SND_JACK_HEADPHONE)) {
603
604 es8316_enable_micbias_for_mic_gnd_short_detect(comp);
605 regmap_read(es8316->regmap, ES8316_GPIO_FLAG, &flags);
606 if (es8316->jd_inverted)
607 flags ^= ES8316_GPIO_FLAG_HP_NOT_INSERTED;
608 dev_dbg(comp->dev, "gpio flags %#04x\n", flags);
609 if (flags & ES8316_GPIO_FLAG_HP_NOT_INSERTED) {
610
611 es8316_disable_micbias_for_mic_gnd_short_detect(comp);
612 } else if (flags & ES8316_GPIO_FLAG_GM_NOT_SHORTED) {
613
614 snd_soc_jack_report(es8316->jack,
615 SND_JACK_HEADSET,
616 SND_JACK_HEADSET);
617
618 } else {
619
620 snd_soc_jack_report(es8316->jack,
621 SND_JACK_HEADPHONE,
622 SND_JACK_HEADSET);
623
624 es8316_disable_micbias_for_mic_gnd_short_detect(comp);
625 }
626 } else if (es8316->jack->status & SND_JACK_MICROPHONE) {
627
628 if (flags & ES8316_GPIO_FLAG_GM_NOT_SHORTED) {
629
630 snd_soc_jack_report(es8316->jack, 0, SND_JACK_BTN_0);
631 } else {
632
633 snd_soc_jack_report(es8316->jack,
634 SND_JACK_BTN_0,
635 SND_JACK_BTN_0);
636 }
637 }
638
639out:
640 mutex_unlock(&es8316->lock);
641 return IRQ_HANDLED;
642}
643
644static void es8316_enable_jack_detect(struct snd_soc_component *component,
645 struct snd_soc_jack *jack)
646{
647 struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);
648
649
650
651
652
653
654 es8316->jd_inverted = device_property_read_bool(component->dev,
655 "everest,jack-detect-inverted");
656
657 mutex_lock(&es8316->lock);
658
659 es8316->jack = jack;
660
661 if (es8316->jack->status & SND_JACK_MICROPHONE)
662 es8316_enable_micbias_for_mic_gnd_short_detect(component);
663
664 snd_soc_component_update_bits(component, ES8316_GPIO_DEBOUNCE,
665 ES8316_GPIO_ENABLE_INTERRUPT,
666 ES8316_GPIO_ENABLE_INTERRUPT);
667
668 mutex_unlock(&es8316->lock);
669
670
671 enable_irq(es8316->irq);
672 es8316_irq(es8316->irq, es8316);
673}
674
675static void es8316_disable_jack_detect(struct snd_soc_component *component)
676{
677 struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);
678
679 if (!es8316->jack)
680 return;
681
682 disable_irq(es8316->irq);
683
684 mutex_lock(&es8316->lock);
685
686 snd_soc_component_update_bits(component, ES8316_GPIO_DEBOUNCE,
687 ES8316_GPIO_ENABLE_INTERRUPT, 0);
688
689 if (es8316->jack->status & SND_JACK_MICROPHONE) {
690 es8316_disable_micbias_for_mic_gnd_short_detect(component);
691 snd_soc_jack_report(es8316->jack, 0, SND_JACK_BTN_0);
692 }
693
694 es8316->jack = NULL;
695
696 mutex_unlock(&es8316->lock);
697}
698
699static int es8316_set_jack(struct snd_soc_component *component,
700 struct snd_soc_jack *jack, void *data)
701{
702 if (jack)
703 es8316_enable_jack_detect(component, jack);
704 else
705 es8316_disable_jack_detect(component);
706
707 return 0;
708}
709
710static int es8316_probe(struct snd_soc_component *component)
711{
712 struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);
713 int ret;
714
715 es8316->component = component;
716
717 es8316->mclk = devm_clk_get_optional(component->dev, "mclk");
718 if (IS_ERR(es8316->mclk)) {
719 dev_err(component->dev, "unable to get mclk\n");
720 return PTR_ERR(es8316->mclk);
721 }
722 if (!es8316->mclk)
723 dev_warn(component->dev, "assuming static mclk\n");
724
725 ret = clk_prepare_enable(es8316->mclk);
726 if (ret) {
727 dev_err(component->dev, "unable to enable mclk\n");
728 return ret;
729 }
730
731
732 snd_soc_component_write(component, ES8316_RESET, 0x3f);
733 usleep_range(5000, 5500);
734 snd_soc_component_write(component, ES8316_RESET, ES8316_RESET_CSM_ON);
735 msleep(30);
736
737
738
739
740
741 snd_soc_component_write(component, ES8316_SYS_VMIDSEL, 0xff);
742
743
744
745
746
747
748 snd_soc_component_write(component, ES8316_CLKMGR_ADCOSR, 0x32);
749
750 return 0;
751}
752
753static void es8316_remove(struct snd_soc_component *component)
754{
755 struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);
756
757 clk_disable_unprepare(es8316->mclk);
758}
759
760static const struct snd_soc_component_driver soc_component_dev_es8316 = {
761 .probe = es8316_probe,
762 .remove = es8316_remove,
763 .set_jack = es8316_set_jack,
764 .controls = es8316_snd_controls,
765 .num_controls = ARRAY_SIZE(es8316_snd_controls),
766 .dapm_widgets = es8316_dapm_widgets,
767 .num_dapm_widgets = ARRAY_SIZE(es8316_dapm_widgets),
768 .dapm_routes = es8316_dapm_routes,
769 .num_dapm_routes = ARRAY_SIZE(es8316_dapm_routes),
770 .use_pmdown_time = 1,
771 .endianness = 1,
772 .non_legacy_dai_naming = 1,
773};
774
775static const struct regmap_range es8316_volatile_ranges[] = {
776 regmap_reg_range(ES8316_GPIO_FLAG, ES8316_GPIO_FLAG),
777};
778
779static const struct regmap_access_table es8316_volatile_table = {
780 .yes_ranges = es8316_volatile_ranges,
781 .n_yes_ranges = ARRAY_SIZE(es8316_volatile_ranges),
782};
783
784static const struct regmap_config es8316_regmap = {
785 .reg_bits = 8,
786 .val_bits = 8,
787 .max_register = 0x53,
788 .volatile_table = &es8316_volatile_table,
789 .cache_type = REGCACHE_RBTREE,
790};
791
792static int es8316_i2c_probe(struct i2c_client *i2c_client,
793 const struct i2c_device_id *id)
794{
795 struct device *dev = &i2c_client->dev;
796 struct es8316_priv *es8316;
797 int ret;
798
799 es8316 = devm_kzalloc(&i2c_client->dev, sizeof(struct es8316_priv),
800 GFP_KERNEL);
801 if (es8316 == NULL)
802 return -ENOMEM;
803
804 i2c_set_clientdata(i2c_client, es8316);
805
806 es8316->regmap = devm_regmap_init_i2c(i2c_client, &es8316_regmap);
807 if (IS_ERR(es8316->regmap))
808 return PTR_ERR(es8316->regmap);
809
810 es8316->irq = i2c_client->irq;
811 mutex_init(&es8316->lock);
812
813 ret = devm_request_threaded_irq(dev, es8316->irq, NULL, es8316_irq,
814 IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
815 "es8316", es8316);
816 if (ret == 0) {
817
818 disable_irq(es8316->irq);
819 } else {
820 dev_warn(dev, "Failed to get IRQ %d: %d\n", es8316->irq, ret);
821 es8316->irq = -ENXIO;
822 }
823
824 return devm_snd_soc_register_component(&i2c_client->dev,
825 &soc_component_dev_es8316,
826 &es8316_dai, 1);
827}
828
829static const struct i2c_device_id es8316_i2c_id[] = {
830 {"es8316", 0 },
831 {}
832};
833MODULE_DEVICE_TABLE(i2c, es8316_i2c_id);
834
835#ifdef CONFIG_OF
836static const struct of_device_id es8316_of_match[] = {
837 { .compatible = "everest,es8316", },
838 {},
839};
840MODULE_DEVICE_TABLE(of, es8316_of_match);
841#endif
842
843#ifdef CONFIG_ACPI
844static const struct acpi_device_id es8316_acpi_match[] = {
845 {"ESSX8316", 0},
846 {},
847};
848MODULE_DEVICE_TABLE(acpi, es8316_acpi_match);
849#endif
850
851static struct i2c_driver es8316_i2c_driver = {
852 .driver = {
853 .name = "es8316",
854 .acpi_match_table = ACPI_PTR(es8316_acpi_match),
855 .of_match_table = of_match_ptr(es8316_of_match),
856 },
857 .probe = es8316_i2c_probe,
858 .id_table = es8316_i2c_id,
859};
860module_i2c_driver(es8316_i2c_driver);
861
862MODULE_DESCRIPTION("Everest Semi ES8316 ALSA SoC Codec Driver");
863MODULE_AUTHOR("David Yang <yangxiaohua@everest-semi.com>");
864MODULE_LICENSE("GPL v2");
865
