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14#include <linux/module.h>
15#include <linux/init.h>
16#include <linux/i2c.h>
17#include <linux/delay.h>
18#include <linux/regmap.h>
19#include <linux/slab.h>
20#include <sound/soc.h>
21#include <sound/initval.h>
22#include <sound/tlv.h>
23
24#include "ak4671.h"
25
26
27
28static const struct reg_default ak4671_reg_defaults[] = {
29 { 0x00, 0x00 },
30 { 0x01, 0xf6 },
31 { 0x02, 0x00 },
32 { 0x03, 0x02 },
33 { 0x04, 0x00 },
34 { 0x05, 0x55 },
35 { 0x06, 0x00 },
36 { 0x07, 0x00 },
37 { 0x08, 0xb5 },
38 { 0x09, 0x00 },
39 { 0x0a, 0x00 },
40 { 0x0b, 0x00 },
41 { 0x0c, 0x00 },
42 { 0x0d, 0x00 },
43 { 0x0e, 0x00 },
44 { 0x0f, 0x00 },
45 { 0x10, 0x00 },
46 { 0x11, 0x80 },
47 { 0x12, 0x91 },
48 { 0x13, 0x91 },
49 { 0x14, 0xe1 },
50 { 0x15, 0x00 },
51 { 0x16, 0x00 },
52 { 0x17, 0x00 },
53 { 0x18, 0x02 },
54 { 0x19, 0x01 },
55 { 0x1a, 0x18 },
56 { 0x1b, 0x18 },
57 { 0x1c, 0x00 },
58 { 0x1d, 0x02 },
59 { 0x1e, 0x00 },
60 { 0x1f, 0x00 },
61 { 0x20, 0x00 },
62 { 0x21, 0x00 },
63 { 0x22, 0x00 },
64 { 0x23, 0x00 },
65 { 0x24, 0x00 },
66 { 0x25, 0x00 },
67 { 0x26, 0x00 },
68 { 0x27, 0x00 },
69 { 0x28, 0xa9 },
70 { 0x29, 0x1f },
71 { 0x2a, 0xad },
72 { 0x2b, 0x20 },
73 { 0x2c, 0x00 },
74 { 0x2d, 0x00 },
75 { 0x2e, 0x00 },
76 { 0x2f, 0x00 },
77 { 0x30, 0x00 },
78
79 { 0x32, 0x00 },
80 { 0x33, 0x00 },
81 { 0x34, 0x00 },
82 { 0x35, 0x00 },
83 { 0x36, 0x00 },
84 { 0x37, 0x00 },
85 { 0x38, 0x00 },
86 { 0x39, 0x00 },
87 { 0x3a, 0x00 },
88 { 0x3b, 0x00 },
89 { 0x3c, 0x00 },
90 { 0x3d, 0x00 },
91 { 0x3e, 0x00 },
92 { 0x3f, 0x00 },
93 { 0x40, 0x00 },
94 { 0x41, 0x00 },
95 { 0x42, 0x00 },
96 { 0x43, 0x00 },
97 { 0x44, 0x00 },
98 { 0x45, 0x00 },
99 { 0x46, 0x00 },
100 { 0x47, 0x00 },
101 { 0x48, 0x00 },
102 { 0x49, 0x00 },
103 { 0x4a, 0x00 },
104 { 0x4b, 0x00 },
105 { 0x4c, 0x00 },
106 { 0x4d, 0x00 },
107 { 0x4e, 0x00 },
108 { 0x4f, 0x00 },
109 { 0x50, 0x88 },
110 { 0x51, 0x88 },
111 { 0x52, 0x08 },
112 { 0x53, 0x00 },
113 { 0x54, 0x00 },
114 { 0x55, 0x00 },
115 { 0x56, 0x18 },
116 { 0x57, 0x18 },
117 { 0x58, 0x00 },
118 { 0x59, 0x00 },
119 { 0x5a, 0x00 },
120};
121
122
123
124
125
126static DECLARE_TLV_DB_SCALE(out1_tlv, -3000, 600, 1);
127
128
129
130
131
132static DECLARE_TLV_DB_SCALE(out2_tlv, -3300, 300, 1);
133
134
135
136
137
138static DECLARE_TLV_DB_SCALE(out3_tlv, -600, 300, 0);
139
140
141
142
143
144
145
146static DECLARE_TLV_DB_SCALE(mic_amp_tlv, -1500, 300, 0);
147
148static const struct snd_kcontrol_new ak4671_snd_controls[] = {
149
150 SOC_SINGLE_TLV("Line Output1 Playback Volume",
151 AK4671_OUTPUT_VOLUME_CONTROL, 0, 0x6, 0, out1_tlv),
152 SOC_SINGLE_TLV("Headphone Output2 Playback Volume",
153 AK4671_OUTPUT_VOLUME_CONTROL, 4, 0xd, 0, out2_tlv),
154 SOC_SINGLE_TLV("Line Output3 Playback Volume",
155 AK4671_LOUT3_POWER_MANAGERMENT, 6, 0x3, 0, out3_tlv),
156
157
158 SOC_DOUBLE_TLV("Mic Amp Capture Volume",
159 AK4671_MIC_AMP_GAIN, 0, 4, 0xf, 0, mic_amp_tlv),
160};
161
162
163static int ak4671_out2_event(struct snd_soc_dapm_widget *w,
164 struct snd_kcontrol *kcontrol, int event)
165{
166 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
167
168 switch (event) {
169 case SND_SOC_DAPM_POST_PMU:
170 snd_soc_update_bits(codec, AK4671_LOUT2_POWER_MANAGERMENT,
171 AK4671_MUTEN, AK4671_MUTEN);
172 break;
173 case SND_SOC_DAPM_PRE_PMD:
174 snd_soc_update_bits(codec, AK4671_LOUT2_POWER_MANAGERMENT,
175 AK4671_MUTEN, 0);
176 break;
177 }
178
179 return 0;
180}
181
182
183static const struct snd_kcontrol_new ak4671_lout1_mixer_controls[] = {
184 SOC_DAPM_SINGLE("DACL", AK4671_LOUT1_SIGNAL_SELECT, 0, 1, 0),
185 SOC_DAPM_SINGLE("LINL1", AK4671_LOUT1_SIGNAL_SELECT, 1, 1, 0),
186 SOC_DAPM_SINGLE("LINL2", AK4671_LOUT1_SIGNAL_SELECT, 2, 1, 0),
187 SOC_DAPM_SINGLE("LINL3", AK4671_LOUT1_SIGNAL_SELECT, 3, 1, 0),
188 SOC_DAPM_SINGLE("LINL4", AK4671_LOUT1_SIGNAL_SELECT, 4, 1, 0),
189 SOC_DAPM_SINGLE("LOOPL", AK4671_LOUT1_SIGNAL_SELECT, 5, 1, 0),
190};
191
192static const struct snd_kcontrol_new ak4671_rout1_mixer_controls[] = {
193 SOC_DAPM_SINGLE("DACR", AK4671_ROUT1_SIGNAL_SELECT, 0, 1, 0),
194 SOC_DAPM_SINGLE("RINR1", AK4671_ROUT1_SIGNAL_SELECT, 1, 1, 0),
195 SOC_DAPM_SINGLE("RINR2", AK4671_ROUT1_SIGNAL_SELECT, 2, 1, 0),
196 SOC_DAPM_SINGLE("RINR3", AK4671_ROUT1_SIGNAL_SELECT, 3, 1, 0),
197 SOC_DAPM_SINGLE("RINR4", AK4671_ROUT1_SIGNAL_SELECT, 4, 1, 0),
198 SOC_DAPM_SINGLE("LOOPR", AK4671_ROUT1_SIGNAL_SELECT, 5, 1, 0),
199};
200
201static const struct snd_kcontrol_new ak4671_lout2_mixer_controls[] = {
202 SOC_DAPM_SINGLE("DACHL", AK4671_LOUT2_SIGNAL_SELECT, 0, 1, 0),
203 SOC_DAPM_SINGLE("LINH1", AK4671_LOUT2_SIGNAL_SELECT, 1, 1, 0),
204 SOC_DAPM_SINGLE("LINH2", AK4671_LOUT2_SIGNAL_SELECT, 2, 1, 0),
205 SOC_DAPM_SINGLE("LINH3", AK4671_LOUT2_SIGNAL_SELECT, 3, 1, 0),
206 SOC_DAPM_SINGLE("LINH4", AK4671_LOUT2_SIGNAL_SELECT, 4, 1, 0),
207 SOC_DAPM_SINGLE("LOOPHL", AK4671_LOUT2_SIGNAL_SELECT, 5, 1, 0),
208};
209
210static const struct snd_kcontrol_new ak4671_rout2_mixer_controls[] = {
211 SOC_DAPM_SINGLE("DACHR", AK4671_ROUT2_SIGNAL_SELECT, 0, 1, 0),
212 SOC_DAPM_SINGLE("RINH1", AK4671_ROUT2_SIGNAL_SELECT, 1, 1, 0),
213 SOC_DAPM_SINGLE("RINH2", AK4671_ROUT2_SIGNAL_SELECT, 2, 1, 0),
214 SOC_DAPM_SINGLE("RINH3", AK4671_ROUT2_SIGNAL_SELECT, 3, 1, 0),
215 SOC_DAPM_SINGLE("RINH4", AK4671_ROUT2_SIGNAL_SELECT, 4, 1, 0),
216 SOC_DAPM_SINGLE("LOOPHR", AK4671_ROUT2_SIGNAL_SELECT, 5, 1, 0),
217};
218
219static const struct snd_kcontrol_new ak4671_lout3_mixer_controls[] = {
220 SOC_DAPM_SINGLE("DACSL", AK4671_LOUT3_SIGNAL_SELECT, 0, 1, 0),
221 SOC_DAPM_SINGLE("LINS1", AK4671_LOUT3_SIGNAL_SELECT, 1, 1, 0),
222 SOC_DAPM_SINGLE("LINS2", AK4671_LOUT3_SIGNAL_SELECT, 2, 1, 0),
223 SOC_DAPM_SINGLE("LINS3", AK4671_LOUT3_SIGNAL_SELECT, 3, 1, 0),
224 SOC_DAPM_SINGLE("LINS4", AK4671_LOUT3_SIGNAL_SELECT, 4, 1, 0),
225 SOC_DAPM_SINGLE("LOOPSL", AK4671_LOUT3_SIGNAL_SELECT, 5, 1, 0),
226};
227
228static const struct snd_kcontrol_new ak4671_rout3_mixer_controls[] = {
229 SOC_DAPM_SINGLE("DACSR", AK4671_ROUT3_SIGNAL_SELECT, 0, 1, 0),
230 SOC_DAPM_SINGLE("RINS1", AK4671_ROUT3_SIGNAL_SELECT, 1, 1, 0),
231 SOC_DAPM_SINGLE("RINS2", AK4671_ROUT3_SIGNAL_SELECT, 2, 1, 0),
232 SOC_DAPM_SINGLE("RINS3", AK4671_ROUT3_SIGNAL_SELECT, 3, 1, 0),
233 SOC_DAPM_SINGLE("RINS4", AK4671_ROUT3_SIGNAL_SELECT, 4, 1, 0),
234 SOC_DAPM_SINGLE("LOOPSR", AK4671_ROUT3_SIGNAL_SELECT, 5, 1, 0),
235};
236
237
238static const char *ak4671_lin_mux_texts[] =
239 {"LIN1", "LIN2", "LIN3", "LIN4"};
240static SOC_ENUM_SINGLE_DECL(ak4671_lin_mux_enum,
241 AK4671_MIC_SIGNAL_SELECT, 0,
242 ak4671_lin_mux_texts);
243static const struct snd_kcontrol_new ak4671_lin_mux_control =
244 SOC_DAPM_ENUM("Route", ak4671_lin_mux_enum);
245
246static const char *ak4671_rin_mux_texts[] =
247 {"RIN1", "RIN2", "RIN3", "RIN4"};
248static SOC_ENUM_SINGLE_DECL(ak4671_rin_mux_enum,
249 AK4671_MIC_SIGNAL_SELECT, 2,
250 ak4671_rin_mux_texts);
251static const struct snd_kcontrol_new ak4671_rin_mux_control =
252 SOC_DAPM_ENUM("Route", ak4671_rin_mux_enum);
253
254static const struct snd_soc_dapm_widget ak4671_dapm_widgets[] = {
255
256 SND_SOC_DAPM_INPUT("LIN1"),
257 SND_SOC_DAPM_INPUT("RIN1"),
258 SND_SOC_DAPM_INPUT("LIN2"),
259 SND_SOC_DAPM_INPUT("RIN2"),
260 SND_SOC_DAPM_INPUT("LIN3"),
261 SND_SOC_DAPM_INPUT("RIN3"),
262 SND_SOC_DAPM_INPUT("LIN4"),
263 SND_SOC_DAPM_INPUT("RIN4"),
264
265
266 SND_SOC_DAPM_OUTPUT("LOUT1"),
267 SND_SOC_DAPM_OUTPUT("ROUT1"),
268 SND_SOC_DAPM_OUTPUT("LOUT2"),
269 SND_SOC_DAPM_OUTPUT("ROUT2"),
270 SND_SOC_DAPM_OUTPUT("LOUT3"),
271 SND_SOC_DAPM_OUTPUT("ROUT3"),
272
273
274 SND_SOC_DAPM_DAC("DAC Left", "Left HiFi Playback",
275 AK4671_AD_DA_POWER_MANAGEMENT, 6, 0),
276 SND_SOC_DAPM_DAC("DAC Right", "Right HiFi Playback",
277 AK4671_AD_DA_POWER_MANAGEMENT, 7, 0),
278
279
280 SND_SOC_DAPM_ADC("ADC Left", "Left HiFi Capture",
281 AK4671_AD_DA_POWER_MANAGEMENT, 4, 0),
282 SND_SOC_DAPM_ADC("ADC Right", "Right HiFi Capture",
283 AK4671_AD_DA_POWER_MANAGEMENT, 5, 0),
284
285
286 SND_SOC_DAPM_PGA("LOUT2 Mix Amp",
287 AK4671_LOUT2_POWER_MANAGERMENT, 5, 0, NULL, 0),
288 SND_SOC_DAPM_PGA("ROUT2 Mix Amp",
289 AK4671_LOUT2_POWER_MANAGERMENT, 6, 0, NULL, 0),
290
291 SND_SOC_DAPM_PGA("LIN1 Mixing Circuit",
292 AK4671_MIXING_POWER_MANAGEMENT1, 0, 0, NULL, 0),
293 SND_SOC_DAPM_PGA("RIN1 Mixing Circuit",
294 AK4671_MIXING_POWER_MANAGEMENT1, 1, 0, NULL, 0),
295 SND_SOC_DAPM_PGA("LIN2 Mixing Circuit",
296 AK4671_MIXING_POWER_MANAGEMENT1, 2, 0, NULL, 0),
297 SND_SOC_DAPM_PGA("RIN2 Mixing Circuit",
298 AK4671_MIXING_POWER_MANAGEMENT1, 3, 0, NULL, 0),
299 SND_SOC_DAPM_PGA("LIN3 Mixing Circuit",
300 AK4671_MIXING_POWER_MANAGEMENT1, 4, 0, NULL, 0),
301 SND_SOC_DAPM_PGA("RIN3 Mixing Circuit",
302 AK4671_MIXING_POWER_MANAGEMENT1, 5, 0, NULL, 0),
303 SND_SOC_DAPM_PGA("LIN4 Mixing Circuit",
304 AK4671_MIXING_POWER_MANAGEMENT1, 6, 0, NULL, 0),
305 SND_SOC_DAPM_PGA("RIN4 Mixing Circuit",
306 AK4671_MIXING_POWER_MANAGEMENT1, 7, 0, NULL, 0),
307
308
309 SND_SOC_DAPM_MIXER("LOUT1 Mixer", AK4671_LOUT1_POWER_MANAGERMENT, 0, 0,
310 &ak4671_lout1_mixer_controls[0],
311 ARRAY_SIZE(ak4671_lout1_mixer_controls)),
312 SND_SOC_DAPM_MIXER("ROUT1 Mixer", AK4671_LOUT1_POWER_MANAGERMENT, 1, 0,
313 &ak4671_rout1_mixer_controls[0],
314 ARRAY_SIZE(ak4671_rout1_mixer_controls)),
315 SND_SOC_DAPM_MIXER_E("LOUT2 Mixer", AK4671_LOUT2_POWER_MANAGERMENT,
316 0, 0, &ak4671_lout2_mixer_controls[0],
317 ARRAY_SIZE(ak4671_lout2_mixer_controls),
318 ak4671_out2_event,
319 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD),
320 SND_SOC_DAPM_MIXER_E("ROUT2 Mixer", AK4671_LOUT2_POWER_MANAGERMENT,
321 1, 0, &ak4671_rout2_mixer_controls[0],
322 ARRAY_SIZE(ak4671_rout2_mixer_controls),
323 ak4671_out2_event,
324 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD),
325 SND_SOC_DAPM_MIXER("LOUT3 Mixer", AK4671_LOUT3_POWER_MANAGERMENT, 0, 0,
326 &ak4671_lout3_mixer_controls[0],
327 ARRAY_SIZE(ak4671_lout3_mixer_controls)),
328 SND_SOC_DAPM_MIXER("ROUT3 Mixer", AK4671_LOUT3_POWER_MANAGERMENT, 1, 0,
329 &ak4671_rout3_mixer_controls[0],
330 ARRAY_SIZE(ak4671_rout3_mixer_controls)),
331
332
333 SND_SOC_DAPM_MUX("LIN MUX", AK4671_AD_DA_POWER_MANAGEMENT, 2, 0,
334 &ak4671_lin_mux_control),
335 SND_SOC_DAPM_MUX("RIN MUX", AK4671_AD_DA_POWER_MANAGEMENT, 3, 0,
336 &ak4671_rin_mux_control),
337
338
339 SND_SOC_DAPM_MICBIAS("Mic Bias", AK4671_AD_DA_POWER_MANAGEMENT, 1, 0),
340
341
342 SND_SOC_DAPM_SUPPLY("PMPLL", AK4671_PLL_MODE_SELECT1, 0, 0, NULL, 0),
343};
344
345static const struct snd_soc_dapm_route ak4671_intercon[] = {
346 {"DAC Left", NULL, "PMPLL"},
347 {"DAC Right", NULL, "PMPLL"},
348 {"ADC Left", NULL, "PMPLL"},
349 {"ADC Right", NULL, "PMPLL"},
350
351
352 {"LOUT1", NULL, "LOUT1 Mixer"},
353 {"ROUT1", NULL, "ROUT1 Mixer"},
354 {"LOUT2", NULL, "LOUT2 Mix Amp"},
355 {"ROUT2", NULL, "ROUT2 Mix Amp"},
356 {"LOUT3", NULL, "LOUT3 Mixer"},
357 {"ROUT3", NULL, "ROUT3 Mixer"},
358
359 {"LOUT1 Mixer", "DACL", "DAC Left"},
360 {"ROUT1 Mixer", "DACR", "DAC Right"},
361 {"LOUT2 Mixer", "DACHL", "DAC Left"},
362 {"ROUT2 Mixer", "DACHR", "DAC Right"},
363 {"LOUT2 Mix Amp", NULL, "LOUT2 Mixer"},
364 {"ROUT2 Mix Amp", NULL, "ROUT2 Mixer"},
365 {"LOUT3 Mixer", "DACSL", "DAC Left"},
366 {"ROUT3 Mixer", "DACSR", "DAC Right"},
367
368
369 {"LIN MUX", "LIN1", "LIN1"},
370 {"LIN MUX", "LIN2", "LIN2"},
371 {"LIN MUX", "LIN3", "LIN3"},
372 {"LIN MUX", "LIN4", "LIN4"},
373
374 {"RIN MUX", "RIN1", "RIN1"},
375 {"RIN MUX", "RIN2", "RIN2"},
376 {"RIN MUX", "RIN3", "RIN3"},
377 {"RIN MUX", "RIN4", "RIN4"},
378
379 {"LIN1", NULL, "Mic Bias"},
380 {"RIN1", NULL, "Mic Bias"},
381 {"LIN2", NULL, "Mic Bias"},
382 {"RIN2", NULL, "Mic Bias"},
383
384 {"ADC Left", NULL, "LIN MUX"},
385 {"ADC Right", NULL, "RIN MUX"},
386
387
388 {"LIN1 Mixing Circuit", NULL, "LIN1"},
389 {"RIN1 Mixing Circuit", NULL, "RIN1"},
390 {"LIN2 Mixing Circuit", NULL, "LIN2"},
391 {"RIN2 Mixing Circuit", NULL, "RIN2"},
392 {"LIN3 Mixing Circuit", NULL, "LIN3"},
393 {"RIN3 Mixing Circuit", NULL, "RIN3"},
394 {"LIN4 Mixing Circuit", NULL, "LIN4"},
395 {"RIN4 Mixing Circuit", NULL, "RIN4"},
396
397 {"LOUT1 Mixer", "LINL1", "LIN1 Mixing Circuit"},
398 {"ROUT1 Mixer", "RINR1", "RIN1 Mixing Circuit"},
399 {"LOUT2 Mixer", "LINH1", "LIN1 Mixing Circuit"},
400 {"ROUT2 Mixer", "RINH1", "RIN1 Mixing Circuit"},
401 {"LOUT3 Mixer", "LINS1", "LIN1 Mixing Circuit"},
402 {"ROUT3 Mixer", "RINS1", "RIN1 Mixing Circuit"},
403
404 {"LOUT1 Mixer", "LINL2", "LIN2 Mixing Circuit"},
405 {"ROUT1 Mixer", "RINR2", "RIN2 Mixing Circuit"},
406 {"LOUT2 Mixer", "LINH2", "LIN2 Mixing Circuit"},
407 {"ROUT2 Mixer", "RINH2", "RIN2 Mixing Circuit"},
408 {"LOUT3 Mixer", "LINS2", "LIN2 Mixing Circuit"},
409 {"ROUT3 Mixer", "RINS2", "RIN2 Mixing Circuit"},
410
411 {"LOUT1 Mixer", "LINL3", "LIN3 Mixing Circuit"},
412 {"ROUT1 Mixer", "RINR3", "RIN3 Mixing Circuit"},
413 {"LOUT2 Mixer", "LINH3", "LIN3 Mixing Circuit"},
414 {"ROUT2 Mixer", "RINH3", "RIN3 Mixing Circuit"},
415 {"LOUT3 Mixer", "LINS3", "LIN3 Mixing Circuit"},
416 {"ROUT3 Mixer", "RINS3", "RIN3 Mixing Circuit"},
417
418 {"LOUT1 Mixer", "LINL4", "LIN4 Mixing Circuit"},
419 {"ROUT1 Mixer", "RINR4", "RIN4 Mixing Circuit"},
420 {"LOUT2 Mixer", "LINH4", "LIN4 Mixing Circuit"},
421 {"ROUT2 Mixer", "RINH4", "RIN4 Mixing Circuit"},
422 {"LOUT3 Mixer", "LINS4", "LIN4 Mixing Circuit"},
423 {"ROUT3 Mixer", "RINS4", "RIN4 Mixing Circuit"},
424};
425
426static int ak4671_hw_params(struct snd_pcm_substream *substream,
427 struct snd_pcm_hw_params *params,
428 struct snd_soc_dai *dai)
429{
430 struct snd_soc_codec *codec = dai->codec;
431 u8 fs;
432
433 fs = snd_soc_read(codec, AK4671_PLL_MODE_SELECT0);
434 fs &= ~AK4671_FS;
435
436 switch (params_rate(params)) {
437 case 8000:
438 fs |= AK4671_FS_8KHZ;
439 break;
440 case 12000:
441 fs |= AK4671_FS_12KHZ;
442 break;
443 case 16000:
444 fs |= AK4671_FS_16KHZ;
445 break;
446 case 24000:
447 fs |= AK4671_FS_24KHZ;
448 break;
449 case 11025:
450 fs |= AK4671_FS_11_025KHZ;
451 break;
452 case 22050:
453 fs |= AK4671_FS_22_05KHZ;
454 break;
455 case 32000:
456 fs |= AK4671_FS_32KHZ;
457 break;
458 case 44100:
459 fs |= AK4671_FS_44_1KHZ;
460 break;
461 case 48000:
462 fs |= AK4671_FS_48KHZ;
463 break;
464 default:
465 return -EINVAL;
466 }
467
468 snd_soc_write(codec, AK4671_PLL_MODE_SELECT0, fs);
469
470 return 0;
471}
472
473static int ak4671_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id,
474 unsigned int freq, int dir)
475{
476 struct snd_soc_codec *codec = dai->codec;
477 u8 pll;
478
479 pll = snd_soc_read(codec, AK4671_PLL_MODE_SELECT0);
480 pll &= ~AK4671_PLL;
481
482 switch (freq) {
483 case 11289600:
484 pll |= AK4671_PLL_11_2896MHZ;
485 break;
486 case 12000000:
487 pll |= AK4671_PLL_12MHZ;
488 break;
489 case 12288000:
490 pll |= AK4671_PLL_12_288MHZ;
491 break;
492 case 13000000:
493 pll |= AK4671_PLL_13MHZ;
494 break;
495 case 13500000:
496 pll |= AK4671_PLL_13_5MHZ;
497 break;
498 case 19200000:
499 pll |= AK4671_PLL_19_2MHZ;
500 break;
501 case 24000000:
502 pll |= AK4671_PLL_24MHZ;
503 break;
504 case 26000000:
505 pll |= AK4671_PLL_26MHZ;
506 break;
507 case 27000000:
508 pll |= AK4671_PLL_27MHZ;
509 break;
510 default:
511 return -EINVAL;
512 }
513
514 snd_soc_write(codec, AK4671_PLL_MODE_SELECT0, pll);
515
516 return 0;
517}
518
519static int ak4671_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
520{
521 struct snd_soc_codec *codec = dai->codec;
522 u8 mode;
523 u8 format;
524
525
526 mode = snd_soc_read(codec, AK4671_PLL_MODE_SELECT1);
527
528 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
529 case SND_SOC_DAIFMT_CBM_CFM:
530 mode |= AK4671_M_S;
531 break;
532 case SND_SOC_DAIFMT_CBM_CFS:
533 mode &= ~(AK4671_M_S);
534 break;
535 default:
536 return -EINVAL;
537 }
538
539
540 format = snd_soc_read(codec, AK4671_FORMAT_SELECT);
541 format &= ~AK4671_DIF;
542
543 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
544 case SND_SOC_DAIFMT_I2S:
545 format |= AK4671_DIF_I2S_MODE;
546 break;
547 case SND_SOC_DAIFMT_LEFT_J:
548 format |= AK4671_DIF_MSB_MODE;
549 break;
550 case SND_SOC_DAIFMT_DSP_A:
551 format |= AK4671_DIF_DSP_MODE;
552 format |= AK4671_BCKP;
553 format |= AK4671_MSBS;
554 break;
555 default:
556 return -EINVAL;
557 }
558
559
560 snd_soc_write(codec, AK4671_PLL_MODE_SELECT1, mode);
561 snd_soc_write(codec, AK4671_FORMAT_SELECT, format);
562
563 return 0;
564}
565
566static int ak4671_set_bias_level(struct snd_soc_codec *codec,
567 enum snd_soc_bias_level level)
568{
569 switch (level) {
570 case SND_SOC_BIAS_ON:
571 case SND_SOC_BIAS_PREPARE:
572 case SND_SOC_BIAS_STANDBY:
573 snd_soc_update_bits(codec, AK4671_AD_DA_POWER_MANAGEMENT,
574 AK4671_PMVCM, AK4671_PMVCM);
575 break;
576 case SND_SOC_BIAS_OFF:
577 snd_soc_write(codec, AK4671_AD_DA_POWER_MANAGEMENT, 0x00);
578 break;
579 }
580 return 0;
581}
582
583#define AK4671_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
584 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
585 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
586 SNDRV_PCM_RATE_48000)
587
588#define AK4671_FORMATS SNDRV_PCM_FMTBIT_S16_LE
589
590static const struct snd_soc_dai_ops ak4671_dai_ops = {
591 .hw_params = ak4671_hw_params,
592 .set_sysclk = ak4671_set_dai_sysclk,
593 .set_fmt = ak4671_set_dai_fmt,
594};
595
596static struct snd_soc_dai_driver ak4671_dai = {
597 .name = "ak4671-hifi",
598 .playback = {
599 .stream_name = "Playback",
600 .channels_min = 1,
601 .channels_max = 2,
602 .rates = AK4671_RATES,
603 .formats = AK4671_FORMATS,},
604 .capture = {
605 .stream_name = "Capture",
606 .channels_min = 1,
607 .channels_max = 2,
608 .rates = AK4671_RATES,
609 .formats = AK4671_FORMATS,},
610 .ops = &ak4671_dai_ops,
611};
612
613static struct snd_soc_codec_driver soc_codec_dev_ak4671 = {
614 .set_bias_level = ak4671_set_bias_level,
615 .controls = ak4671_snd_controls,
616 .num_controls = ARRAY_SIZE(ak4671_snd_controls),
617 .dapm_widgets = ak4671_dapm_widgets,
618 .num_dapm_widgets = ARRAY_SIZE(ak4671_dapm_widgets),
619 .dapm_routes = ak4671_intercon,
620 .num_dapm_routes = ARRAY_SIZE(ak4671_intercon),
621};
622
623static const struct regmap_config ak4671_regmap = {
624 .reg_bits = 8,
625 .val_bits = 8,
626
627 .max_register = AK4671_SAR_ADC_CONTROL,
628 .reg_defaults = ak4671_reg_defaults,
629 .num_reg_defaults = ARRAY_SIZE(ak4671_reg_defaults),
630 .cache_type = REGCACHE_RBTREE,
631};
632
633static int ak4671_i2c_probe(struct i2c_client *client,
634 const struct i2c_device_id *id)
635{
636 struct regmap *regmap;
637 int ret;
638
639 regmap = devm_regmap_init_i2c(client, &ak4671_regmap);
640 if (IS_ERR(regmap)) {
641 ret = PTR_ERR(regmap);
642 dev_err(&client->dev, "Failed to create regmap: %d\n", ret);
643 return ret;
644 }
645
646 ret = snd_soc_register_codec(&client->dev,
647 &soc_codec_dev_ak4671, &ak4671_dai, 1);
648 return ret;
649}
650
651static int ak4671_i2c_remove(struct i2c_client *client)
652{
653 snd_soc_unregister_codec(&client->dev);
654 return 0;
655}
656
657static const struct i2c_device_id ak4671_i2c_id[] = {
658 { "ak4671", 0 },
659 { }
660};
661MODULE_DEVICE_TABLE(i2c, ak4671_i2c_id);
662
663static struct i2c_driver ak4671_i2c_driver = {
664 .driver = {
665 .name = "ak4671-codec",
666 },
667 .probe = ak4671_i2c_probe,
668 .remove = ak4671_i2c_remove,
669 .id_table = ak4671_i2c_id,
670};
671
672module_i2c_driver(ak4671_i2c_driver);
673
674MODULE_DESCRIPTION("ASoC AK4671 codec driver");
675MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
676MODULE_LICENSE("GPL");
677
