This source file includes following definitions.
- ak4671_out2_event
- ak4671_hw_params
- ak4671_set_dai_sysclk
- ak4671_set_dai_fmt
- ak4671_set_bias_level
- ak4671_i2c_probe
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7
8
9 #include <linux/module.h>
10 #include <linux/init.h>
11 #include <linux/i2c.h>
12 #include <linux/delay.h>
13 #include <linux/regmap.h>
14 #include <linux/slab.h>
15 #include <sound/soc.h>
16 #include <sound/initval.h>
17 #include <sound/tlv.h>
18
19 #include "ak4671.h"
20
21
22
23 static const struct reg_default ak4671_reg_defaults[] = {
24 { 0x00, 0x00 },
25 { 0x01, 0xf6 },
26 { 0x02, 0x00 },
27 { 0x03, 0x02 },
28 { 0x04, 0x00 },
29 { 0x05, 0x55 },
30 { 0x06, 0x00 },
31 { 0x07, 0x00 },
32 { 0x08, 0xb5 },
33 { 0x09, 0x00 },
34 { 0x0a, 0x00 },
35 { 0x0b, 0x00 },
36 { 0x0c, 0x00 },
37 { 0x0d, 0x00 },
38 { 0x0e, 0x00 },
39 { 0x0f, 0x00 },
40 { 0x10, 0x00 },
41 { 0x11, 0x80 },
42 { 0x12, 0x91 },
43 { 0x13, 0x91 },
44 { 0x14, 0xe1 },
45 { 0x15, 0x00 },
46 { 0x16, 0x00 },
47 { 0x17, 0x00 },
48 { 0x18, 0x02 },
49 { 0x19, 0x01 },
50 { 0x1a, 0x18 },
51 { 0x1b, 0x18 },
52 { 0x1c, 0x00 },
53 { 0x1d, 0x02 },
54 { 0x1e, 0x00 },
55 { 0x1f, 0x00 },
56 { 0x20, 0x00 },
57 { 0x21, 0x00 },
58 { 0x22, 0x00 },
59 { 0x23, 0x00 },
60 { 0x24, 0x00 },
61 { 0x25, 0x00 },
62 { 0x26, 0x00 },
63 { 0x27, 0x00 },
64 { 0x28, 0xa9 },
65 { 0x29, 0x1f },
66 { 0x2a, 0xad },
67 { 0x2b, 0x20 },
68 { 0x2c, 0x00 },
69 { 0x2d, 0x00 },
70 { 0x2e, 0x00 },
71 { 0x2f, 0x00 },
72 { 0x30, 0x00 },
73
74 { 0x32, 0x00 },
75 { 0x33, 0x00 },
76 { 0x34, 0x00 },
77 { 0x35, 0x00 },
78 { 0x36, 0x00 },
79 { 0x37, 0x00 },
80 { 0x38, 0x00 },
81 { 0x39, 0x00 },
82 { 0x3a, 0x00 },
83 { 0x3b, 0x00 },
84 { 0x3c, 0x00 },
85 { 0x3d, 0x00 },
86 { 0x3e, 0x00 },
87 { 0x3f, 0x00 },
88 { 0x40, 0x00 },
89 { 0x41, 0x00 },
90 { 0x42, 0x00 },
91 { 0x43, 0x00 },
92 { 0x44, 0x00 },
93 { 0x45, 0x00 },
94 { 0x46, 0x00 },
95 { 0x47, 0x00 },
96 { 0x48, 0x00 },
97 { 0x49, 0x00 },
98 { 0x4a, 0x00 },
99 { 0x4b, 0x00 },
100 { 0x4c, 0x00 },
101 { 0x4d, 0x00 },
102 { 0x4e, 0x00 },
103 { 0x4f, 0x00 },
104 { 0x50, 0x88 },
105 { 0x51, 0x88 },
106 { 0x52, 0x08 },
107 { 0x53, 0x00 },
108 { 0x54, 0x00 },
109 { 0x55, 0x00 },
110 { 0x56, 0x18 },
111 { 0x57, 0x18 },
112 { 0x58, 0x00 },
113 { 0x59, 0x00 },
114 { 0x5a, 0x00 },
115 };
116
117
118
119
120
121 static DECLARE_TLV_DB_SCALE(out1_tlv, -3000, 600, 1);
122
123
124
125
126
127 static DECLARE_TLV_DB_SCALE(out2_tlv, -3300, 300, 1);
128
129
130
131
132
133 static DECLARE_TLV_DB_SCALE(out3_tlv, -600, 300, 0);
134
135
136
137
138
139
140
141 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, -1500, 300, 0);
142
143 static const struct snd_kcontrol_new ak4671_snd_controls[] = {
144
145 SOC_SINGLE_TLV("Line Output1 Playback Volume",
146 AK4671_OUTPUT_VOLUME_CONTROL, 0, 0x6, 0, out1_tlv),
147 SOC_SINGLE_TLV("Headphone Output2 Playback Volume",
148 AK4671_OUTPUT_VOLUME_CONTROL, 4, 0xd, 0, out2_tlv),
149 SOC_SINGLE_TLV("Line Output3 Playback Volume",
150 AK4671_LOUT3_POWER_MANAGERMENT, 6, 0x3, 0, out3_tlv),
151
152
153 SOC_DOUBLE_TLV("Mic Amp Capture Volume",
154 AK4671_MIC_AMP_GAIN, 0, 4, 0xf, 0, mic_amp_tlv),
155 };
156
157
158 static int ak4671_out2_event(struct snd_soc_dapm_widget *w,
159 struct snd_kcontrol *kcontrol, int event)
160 {
161 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
162
163 switch (event) {
164 case SND_SOC_DAPM_POST_PMU:
165 snd_soc_component_update_bits(component, AK4671_LOUT2_POWER_MANAGERMENT,
166 AK4671_MUTEN, AK4671_MUTEN);
167 break;
168 case SND_SOC_DAPM_PRE_PMD:
169 snd_soc_component_update_bits(component, AK4671_LOUT2_POWER_MANAGERMENT,
170 AK4671_MUTEN, 0);
171 break;
172 }
173
174 return 0;
175 }
176
177
178 static const struct snd_kcontrol_new ak4671_lout1_mixer_controls[] = {
179 SOC_DAPM_SINGLE("DACL", AK4671_LOUT1_SIGNAL_SELECT, 0, 1, 0),
180 SOC_DAPM_SINGLE("LINL1", AK4671_LOUT1_SIGNAL_SELECT, 1, 1, 0),
181 SOC_DAPM_SINGLE("LINL2", AK4671_LOUT1_SIGNAL_SELECT, 2, 1, 0),
182 SOC_DAPM_SINGLE("LINL3", AK4671_LOUT1_SIGNAL_SELECT, 3, 1, 0),
183 SOC_DAPM_SINGLE("LINL4", AK4671_LOUT1_SIGNAL_SELECT, 4, 1, 0),
184 SOC_DAPM_SINGLE("LOOPL", AK4671_LOUT1_SIGNAL_SELECT, 5, 1, 0),
185 };
186
187 static const struct snd_kcontrol_new ak4671_rout1_mixer_controls[] = {
188 SOC_DAPM_SINGLE("DACR", AK4671_ROUT1_SIGNAL_SELECT, 0, 1, 0),
189 SOC_DAPM_SINGLE("RINR1", AK4671_ROUT1_SIGNAL_SELECT, 1, 1, 0),
190 SOC_DAPM_SINGLE("RINR2", AK4671_ROUT1_SIGNAL_SELECT, 2, 1, 0),
191 SOC_DAPM_SINGLE("RINR3", AK4671_ROUT1_SIGNAL_SELECT, 3, 1, 0),
192 SOC_DAPM_SINGLE("RINR4", AK4671_ROUT1_SIGNAL_SELECT, 4, 1, 0),
193 SOC_DAPM_SINGLE("LOOPR", AK4671_ROUT1_SIGNAL_SELECT, 5, 1, 0),
194 };
195
196 static const struct snd_kcontrol_new ak4671_lout2_mixer_controls[] = {
197 SOC_DAPM_SINGLE("DACHL", AK4671_LOUT2_SIGNAL_SELECT, 0, 1, 0),
198 SOC_DAPM_SINGLE("LINH1", AK4671_LOUT2_SIGNAL_SELECT, 1, 1, 0),
199 SOC_DAPM_SINGLE("LINH2", AK4671_LOUT2_SIGNAL_SELECT, 2, 1, 0),
200 SOC_DAPM_SINGLE("LINH3", AK4671_LOUT2_SIGNAL_SELECT, 3, 1, 0),
201 SOC_DAPM_SINGLE("LINH4", AK4671_LOUT2_SIGNAL_SELECT, 4, 1, 0),
202 SOC_DAPM_SINGLE("LOOPHL", AK4671_LOUT2_SIGNAL_SELECT, 5, 1, 0),
203 };
204
205 static const struct snd_kcontrol_new ak4671_rout2_mixer_controls[] = {
206 SOC_DAPM_SINGLE("DACHR", AK4671_ROUT2_SIGNAL_SELECT, 0, 1, 0),
207 SOC_DAPM_SINGLE("RINH1", AK4671_ROUT2_SIGNAL_SELECT, 1, 1, 0),
208 SOC_DAPM_SINGLE("RINH2", AK4671_ROUT2_SIGNAL_SELECT, 2, 1, 0),
209 SOC_DAPM_SINGLE("RINH3", AK4671_ROUT2_SIGNAL_SELECT, 3, 1, 0),
210 SOC_DAPM_SINGLE("RINH4", AK4671_ROUT2_SIGNAL_SELECT, 4, 1, 0),
211 SOC_DAPM_SINGLE("LOOPHR", AK4671_ROUT2_SIGNAL_SELECT, 5, 1, 0),
212 };
213
214 static const struct snd_kcontrol_new ak4671_lout3_mixer_controls[] = {
215 SOC_DAPM_SINGLE("DACSL", AK4671_LOUT3_SIGNAL_SELECT, 0, 1, 0),
216 SOC_DAPM_SINGLE("LINS1", AK4671_LOUT3_SIGNAL_SELECT, 1, 1, 0),
217 SOC_DAPM_SINGLE("LINS2", AK4671_LOUT3_SIGNAL_SELECT, 2, 1, 0),
218 SOC_DAPM_SINGLE("LINS3", AK4671_LOUT3_SIGNAL_SELECT, 3, 1, 0),
219 SOC_DAPM_SINGLE("LINS4", AK4671_LOUT3_SIGNAL_SELECT, 4, 1, 0),
220 SOC_DAPM_SINGLE("LOOPSL", AK4671_LOUT3_SIGNAL_SELECT, 5, 1, 0),
221 };
222
223 static const struct snd_kcontrol_new ak4671_rout3_mixer_controls[] = {
224 SOC_DAPM_SINGLE("DACSR", AK4671_ROUT3_SIGNAL_SELECT, 0, 1, 0),
225 SOC_DAPM_SINGLE("RINS1", AK4671_ROUT3_SIGNAL_SELECT, 1, 1, 0),
226 SOC_DAPM_SINGLE("RINS2", AK4671_ROUT3_SIGNAL_SELECT, 2, 1, 0),
227 SOC_DAPM_SINGLE("RINS3", AK4671_ROUT3_SIGNAL_SELECT, 3, 1, 0),
228 SOC_DAPM_SINGLE("RINS4", AK4671_ROUT3_SIGNAL_SELECT, 4, 1, 0),
229 SOC_DAPM_SINGLE("LOOPSR", AK4671_ROUT3_SIGNAL_SELECT, 5, 1, 0),
230 };
231
232
233 static const char *ak4671_lin_mux_texts[] =
234 {"LIN1", "LIN2", "LIN3", "LIN4"};
235 static SOC_ENUM_SINGLE_DECL(ak4671_lin_mux_enum,
236 AK4671_MIC_SIGNAL_SELECT, 0,
237 ak4671_lin_mux_texts);
238 static const struct snd_kcontrol_new ak4671_lin_mux_control =
239 SOC_DAPM_ENUM("Route", ak4671_lin_mux_enum);
240
241 static const char *ak4671_rin_mux_texts[] =
242 {"RIN1", "RIN2", "RIN3", "RIN4"};
243 static SOC_ENUM_SINGLE_DECL(ak4671_rin_mux_enum,
244 AK4671_MIC_SIGNAL_SELECT, 2,
245 ak4671_rin_mux_texts);
246 static const struct snd_kcontrol_new ak4671_rin_mux_control =
247 SOC_DAPM_ENUM("Route", ak4671_rin_mux_enum);
248
249 static const struct snd_soc_dapm_widget ak4671_dapm_widgets[] = {
250
251 SND_SOC_DAPM_INPUT("LIN1"),
252 SND_SOC_DAPM_INPUT("RIN1"),
253 SND_SOC_DAPM_INPUT("LIN2"),
254 SND_SOC_DAPM_INPUT("RIN2"),
255 SND_SOC_DAPM_INPUT("LIN3"),
256 SND_SOC_DAPM_INPUT("RIN3"),
257 SND_SOC_DAPM_INPUT("LIN4"),
258 SND_SOC_DAPM_INPUT("RIN4"),
259
260
261 SND_SOC_DAPM_OUTPUT("LOUT1"),
262 SND_SOC_DAPM_OUTPUT("ROUT1"),
263 SND_SOC_DAPM_OUTPUT("LOUT2"),
264 SND_SOC_DAPM_OUTPUT("ROUT2"),
265 SND_SOC_DAPM_OUTPUT("LOUT3"),
266 SND_SOC_DAPM_OUTPUT("ROUT3"),
267
268
269 SND_SOC_DAPM_DAC("DAC Left", "Left HiFi Playback",
270 AK4671_AD_DA_POWER_MANAGEMENT, 6, 0),
271 SND_SOC_DAPM_DAC("DAC Right", "Right HiFi Playback",
272 AK4671_AD_DA_POWER_MANAGEMENT, 7, 0),
273
274
275 SND_SOC_DAPM_ADC("ADC Left", "Left HiFi Capture",
276 AK4671_AD_DA_POWER_MANAGEMENT, 4, 0),
277 SND_SOC_DAPM_ADC("ADC Right", "Right HiFi Capture",
278 AK4671_AD_DA_POWER_MANAGEMENT, 5, 0),
279
280
281 SND_SOC_DAPM_PGA("LOUT2 Mix Amp",
282 AK4671_LOUT2_POWER_MANAGERMENT, 5, 0, NULL, 0),
283 SND_SOC_DAPM_PGA("ROUT2 Mix Amp",
284 AK4671_LOUT2_POWER_MANAGERMENT, 6, 0, NULL, 0),
285
286 SND_SOC_DAPM_PGA("LIN1 Mixing Circuit",
287 AK4671_MIXING_POWER_MANAGEMENT1, 0, 0, NULL, 0),
288 SND_SOC_DAPM_PGA("RIN1 Mixing Circuit",
289 AK4671_MIXING_POWER_MANAGEMENT1, 1, 0, NULL, 0),
290 SND_SOC_DAPM_PGA("LIN2 Mixing Circuit",
291 AK4671_MIXING_POWER_MANAGEMENT1, 2, 0, NULL, 0),
292 SND_SOC_DAPM_PGA("RIN2 Mixing Circuit",
293 AK4671_MIXING_POWER_MANAGEMENT1, 3, 0, NULL, 0),
294 SND_SOC_DAPM_PGA("LIN3 Mixing Circuit",
295 AK4671_MIXING_POWER_MANAGEMENT1, 4, 0, NULL, 0),
296 SND_SOC_DAPM_PGA("RIN3 Mixing Circuit",
297 AK4671_MIXING_POWER_MANAGEMENT1, 5, 0, NULL, 0),
298 SND_SOC_DAPM_PGA("LIN4 Mixing Circuit",
299 AK4671_MIXING_POWER_MANAGEMENT1, 6, 0, NULL, 0),
300 SND_SOC_DAPM_PGA("RIN4 Mixing Circuit",
301 AK4671_MIXING_POWER_MANAGEMENT1, 7, 0, NULL, 0),
302
303
304 SND_SOC_DAPM_MIXER("LOUT1 Mixer", AK4671_LOUT1_POWER_MANAGERMENT, 0, 0,
305 &ak4671_lout1_mixer_controls[0],
306 ARRAY_SIZE(ak4671_lout1_mixer_controls)),
307 SND_SOC_DAPM_MIXER("ROUT1 Mixer", AK4671_LOUT1_POWER_MANAGERMENT, 1, 0,
308 &ak4671_rout1_mixer_controls[0],
309 ARRAY_SIZE(ak4671_rout1_mixer_controls)),
310 SND_SOC_DAPM_MIXER_E("LOUT2 Mixer", AK4671_LOUT2_POWER_MANAGERMENT,
311 0, 0, &ak4671_lout2_mixer_controls[0],
312 ARRAY_SIZE(ak4671_lout2_mixer_controls),
313 ak4671_out2_event,
314 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD),
315 SND_SOC_DAPM_MIXER_E("ROUT2 Mixer", AK4671_LOUT2_POWER_MANAGERMENT,
316 1, 0, &ak4671_rout2_mixer_controls[0],
317 ARRAY_SIZE(ak4671_rout2_mixer_controls),
318 ak4671_out2_event,
319 SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD),
320 SND_SOC_DAPM_MIXER("LOUT3 Mixer", AK4671_LOUT3_POWER_MANAGERMENT, 0, 0,
321 &ak4671_lout3_mixer_controls[0],
322 ARRAY_SIZE(ak4671_lout3_mixer_controls)),
323 SND_SOC_DAPM_MIXER("ROUT3 Mixer", AK4671_LOUT3_POWER_MANAGERMENT, 1, 0,
324 &ak4671_rout3_mixer_controls[0],
325 ARRAY_SIZE(ak4671_rout3_mixer_controls)),
326
327
328 SND_SOC_DAPM_MUX("LIN MUX", AK4671_AD_DA_POWER_MANAGEMENT, 2, 0,
329 &ak4671_lin_mux_control),
330 SND_SOC_DAPM_MUX("RIN MUX", AK4671_AD_DA_POWER_MANAGEMENT, 3, 0,
331 &ak4671_rin_mux_control),
332
333
334 SND_SOC_DAPM_MICBIAS("Mic Bias", AK4671_AD_DA_POWER_MANAGEMENT, 1, 0),
335
336
337 SND_SOC_DAPM_SUPPLY("PMPLL", AK4671_PLL_MODE_SELECT1, 0, 0, NULL, 0),
338 };
339
340 static const struct snd_soc_dapm_route ak4671_intercon[] = {
341 {"DAC Left", NULL, "PMPLL"},
342 {"DAC Right", NULL, "PMPLL"},
343 {"ADC Left", NULL, "PMPLL"},
344 {"ADC Right", NULL, "PMPLL"},
345
346
347 {"LOUT1", NULL, "LOUT1 Mixer"},
348 {"ROUT1", NULL, "ROUT1 Mixer"},
349 {"LOUT2", NULL, "LOUT2 Mix Amp"},
350 {"ROUT2", NULL, "ROUT2 Mix Amp"},
351 {"LOUT3", NULL, "LOUT3 Mixer"},
352 {"ROUT3", NULL, "ROUT3 Mixer"},
353
354 {"LOUT1 Mixer", "DACL", "DAC Left"},
355 {"ROUT1 Mixer", "DACR", "DAC Right"},
356 {"LOUT2 Mixer", "DACHL", "DAC Left"},
357 {"ROUT2 Mixer", "DACHR", "DAC Right"},
358 {"LOUT2 Mix Amp", NULL, "LOUT2 Mixer"},
359 {"ROUT2 Mix Amp", NULL, "ROUT2 Mixer"},
360 {"LOUT3 Mixer", "DACSL", "DAC Left"},
361 {"ROUT3 Mixer", "DACSR", "DAC Right"},
362
363
364 {"LIN MUX", "LIN1", "LIN1"},
365 {"LIN MUX", "LIN2", "LIN2"},
366 {"LIN MUX", "LIN3", "LIN3"},
367 {"LIN MUX", "LIN4", "LIN4"},
368
369 {"RIN MUX", "RIN1", "RIN1"},
370 {"RIN MUX", "RIN2", "RIN2"},
371 {"RIN MUX", "RIN3", "RIN3"},
372 {"RIN MUX", "RIN4", "RIN4"},
373
374 {"LIN1", NULL, "Mic Bias"},
375 {"RIN1", NULL, "Mic Bias"},
376 {"LIN2", NULL, "Mic Bias"},
377 {"RIN2", NULL, "Mic Bias"},
378
379 {"ADC Left", NULL, "LIN MUX"},
380 {"ADC Right", NULL, "RIN MUX"},
381
382
383 {"LIN1 Mixing Circuit", NULL, "LIN1"},
384 {"RIN1 Mixing Circuit", NULL, "RIN1"},
385 {"LIN2 Mixing Circuit", NULL, "LIN2"},
386 {"RIN2 Mixing Circuit", NULL, "RIN2"},
387 {"LIN3 Mixing Circuit", NULL, "LIN3"},
388 {"RIN3 Mixing Circuit", NULL, "RIN3"},
389 {"LIN4 Mixing Circuit", NULL, "LIN4"},
390 {"RIN4 Mixing Circuit", NULL, "RIN4"},
391
392 {"LOUT1 Mixer", "LINL1", "LIN1 Mixing Circuit"},
393 {"ROUT1 Mixer", "RINR1", "RIN1 Mixing Circuit"},
394 {"LOUT2 Mixer", "LINH1", "LIN1 Mixing Circuit"},
395 {"ROUT2 Mixer", "RINH1", "RIN1 Mixing Circuit"},
396 {"LOUT3 Mixer", "LINS1", "LIN1 Mixing Circuit"},
397 {"ROUT3 Mixer", "RINS1", "RIN1 Mixing Circuit"},
398
399 {"LOUT1 Mixer", "LINL2", "LIN2 Mixing Circuit"},
400 {"ROUT1 Mixer", "RINR2", "RIN2 Mixing Circuit"},
401 {"LOUT2 Mixer", "LINH2", "LIN2 Mixing Circuit"},
402 {"ROUT2 Mixer", "RINH2", "RIN2 Mixing Circuit"},
403 {"LOUT3 Mixer", "LINS2", "LIN2 Mixing Circuit"},
404 {"ROUT3 Mixer", "RINS2", "RIN2 Mixing Circuit"},
405
406 {"LOUT1 Mixer", "LINL3", "LIN3 Mixing Circuit"},
407 {"ROUT1 Mixer", "RINR3", "RIN3 Mixing Circuit"},
408 {"LOUT2 Mixer", "LINH3", "LIN3 Mixing Circuit"},
409 {"ROUT2 Mixer", "RINH3", "RIN3 Mixing Circuit"},
410 {"LOUT3 Mixer", "LINS3", "LIN3 Mixing Circuit"},
411 {"ROUT3 Mixer", "RINS3", "RIN3 Mixing Circuit"},
412
413 {"LOUT1 Mixer", "LINL4", "LIN4 Mixing Circuit"},
414 {"ROUT1 Mixer", "RINR4", "RIN4 Mixing Circuit"},
415 {"LOUT2 Mixer", "LINH4", "LIN4 Mixing Circuit"},
416 {"ROUT2 Mixer", "RINH4", "RIN4 Mixing Circuit"},
417 {"LOUT3 Mixer", "LINS4", "LIN4 Mixing Circuit"},
418 {"ROUT3 Mixer", "RINS4", "RIN4 Mixing Circuit"},
419 };
420
421 static int ak4671_hw_params(struct snd_pcm_substream *substream,
422 struct snd_pcm_hw_params *params,
423 struct snd_soc_dai *dai)
424 {
425 struct snd_soc_component *component = dai->component;
426 u8 fs;
427
428 fs = snd_soc_component_read32(component, AK4671_PLL_MODE_SELECT0);
429 fs &= ~AK4671_FS;
430
431 switch (params_rate(params)) {
432 case 8000:
433 fs |= AK4671_FS_8KHZ;
434 break;
435 case 12000:
436 fs |= AK4671_FS_12KHZ;
437 break;
438 case 16000:
439 fs |= AK4671_FS_16KHZ;
440 break;
441 case 24000:
442 fs |= AK4671_FS_24KHZ;
443 break;
444 case 11025:
445 fs |= AK4671_FS_11_025KHZ;
446 break;
447 case 22050:
448 fs |= AK4671_FS_22_05KHZ;
449 break;
450 case 32000:
451 fs |= AK4671_FS_32KHZ;
452 break;
453 case 44100:
454 fs |= AK4671_FS_44_1KHZ;
455 break;
456 case 48000:
457 fs |= AK4671_FS_48KHZ;
458 break;
459 default:
460 return -EINVAL;
461 }
462
463 snd_soc_component_write(component, AK4671_PLL_MODE_SELECT0, fs);
464
465 return 0;
466 }
467
468 static int ak4671_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id,
469 unsigned int freq, int dir)
470 {
471 struct snd_soc_component *component = dai->component;
472 u8 pll;
473
474 pll = snd_soc_component_read32(component, AK4671_PLL_MODE_SELECT0);
475 pll &= ~AK4671_PLL;
476
477 switch (freq) {
478 case 11289600:
479 pll |= AK4671_PLL_11_2896MHZ;
480 break;
481 case 12000000:
482 pll |= AK4671_PLL_12MHZ;
483 break;
484 case 12288000:
485 pll |= AK4671_PLL_12_288MHZ;
486 break;
487 case 13000000:
488 pll |= AK4671_PLL_13MHZ;
489 break;
490 case 13500000:
491 pll |= AK4671_PLL_13_5MHZ;
492 break;
493 case 19200000:
494 pll |= AK4671_PLL_19_2MHZ;
495 break;
496 case 24000000:
497 pll |= AK4671_PLL_24MHZ;
498 break;
499 case 26000000:
500 pll |= AK4671_PLL_26MHZ;
501 break;
502 case 27000000:
503 pll |= AK4671_PLL_27MHZ;
504 break;
505 default:
506 return -EINVAL;
507 }
508
509 snd_soc_component_write(component, AK4671_PLL_MODE_SELECT0, pll);
510
511 return 0;
512 }
513
514 static int ak4671_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
515 {
516 struct snd_soc_component *component = dai->component;
517 u8 mode;
518 u8 format;
519
520
521 mode = snd_soc_component_read32(component, AK4671_PLL_MODE_SELECT1);
522
523 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
524 case SND_SOC_DAIFMT_CBM_CFM:
525 mode |= AK4671_M_S;
526 break;
527 case SND_SOC_DAIFMT_CBM_CFS:
528 mode &= ~(AK4671_M_S);
529 break;
530 default:
531 return -EINVAL;
532 }
533
534
535 format = snd_soc_component_read32(component, AK4671_FORMAT_SELECT);
536 format &= ~AK4671_DIF;
537
538 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
539 case SND_SOC_DAIFMT_I2S:
540 format |= AK4671_DIF_I2S_MODE;
541 break;
542 case SND_SOC_DAIFMT_LEFT_J:
543 format |= AK4671_DIF_MSB_MODE;
544 break;
545 case SND_SOC_DAIFMT_DSP_A:
546 format |= AK4671_DIF_DSP_MODE;
547 format |= AK4671_BCKP;
548 format |= AK4671_MSBS;
549 break;
550 default:
551 return -EINVAL;
552 }
553
554
555 snd_soc_component_write(component, AK4671_PLL_MODE_SELECT1, mode);
556 snd_soc_component_write(component, AK4671_FORMAT_SELECT, format);
557
558 return 0;
559 }
560
561 static int ak4671_set_bias_level(struct snd_soc_component *component,
562 enum snd_soc_bias_level level)
563 {
564 switch (level) {
565 case SND_SOC_BIAS_ON:
566 case SND_SOC_BIAS_PREPARE:
567 case SND_SOC_BIAS_STANDBY:
568 snd_soc_component_update_bits(component, AK4671_AD_DA_POWER_MANAGEMENT,
569 AK4671_PMVCM, AK4671_PMVCM);
570 break;
571 case SND_SOC_BIAS_OFF:
572 snd_soc_component_write(component, AK4671_AD_DA_POWER_MANAGEMENT, 0x00);
573 break;
574 }
575 return 0;
576 }
577
578 #define AK4671_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
579 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
580 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
581 SNDRV_PCM_RATE_48000)
582
583 #define AK4671_FORMATS SNDRV_PCM_FMTBIT_S16_LE
584
585 static const struct snd_soc_dai_ops ak4671_dai_ops = {
586 .hw_params = ak4671_hw_params,
587 .set_sysclk = ak4671_set_dai_sysclk,
588 .set_fmt = ak4671_set_dai_fmt,
589 };
590
591 static struct snd_soc_dai_driver ak4671_dai = {
592 .name = "ak4671-hifi",
593 .playback = {
594 .stream_name = "Playback",
595 .channels_min = 1,
596 .channels_max = 2,
597 .rates = AK4671_RATES,
598 .formats = AK4671_FORMATS,},
599 .capture = {
600 .stream_name = "Capture",
601 .channels_min = 1,
602 .channels_max = 2,
603 .rates = AK4671_RATES,
604 .formats = AK4671_FORMATS,},
605 .ops = &ak4671_dai_ops,
606 };
607
608 static const struct snd_soc_component_driver soc_component_dev_ak4671 = {
609 .set_bias_level = ak4671_set_bias_level,
610 .controls = ak4671_snd_controls,
611 .num_controls = ARRAY_SIZE(ak4671_snd_controls),
612 .dapm_widgets = ak4671_dapm_widgets,
613 .num_dapm_widgets = ARRAY_SIZE(ak4671_dapm_widgets),
614 .dapm_routes = ak4671_intercon,
615 .num_dapm_routes = ARRAY_SIZE(ak4671_intercon),
616 .idle_bias_on = 1,
617 .use_pmdown_time = 1,
618 .endianness = 1,
619 .non_legacy_dai_naming = 1,
620 };
621
622 static const struct regmap_config ak4671_regmap = {
623 .reg_bits = 8,
624 .val_bits = 8,
625
626 .max_register = AK4671_SAR_ADC_CONTROL,
627 .reg_defaults = ak4671_reg_defaults,
628 .num_reg_defaults = ARRAY_SIZE(ak4671_reg_defaults),
629 .cache_type = REGCACHE_RBTREE,
630 };
631
632 static int ak4671_i2c_probe(struct i2c_client *client,
633 const struct i2c_device_id *id)
634 {
635 struct regmap *regmap;
636 int ret;
637
638 regmap = devm_regmap_init_i2c(client, &ak4671_regmap);
639 if (IS_ERR(regmap)) {
640 ret = PTR_ERR(regmap);
641 dev_err(&client->dev, "Failed to create regmap: %d\n", ret);
642 return ret;
643 }
644
645 ret = devm_snd_soc_register_component(&client->dev,
646 &soc_component_dev_ak4671, &ak4671_dai, 1);
647 return ret;
648 }
649
650 static const struct i2c_device_id ak4671_i2c_id[] = {
651 { "ak4671", 0 },
652 { }
653 };
654 MODULE_DEVICE_TABLE(i2c, ak4671_i2c_id);
655
656 static struct i2c_driver ak4671_i2c_driver = {
657 .driver = {
658 .name = "ak4671-codec",
659 },
660 .probe = ak4671_i2c_probe,
661 .id_table = ak4671_i2c_id,
662 };
663
664 module_i2c_driver(ak4671_i2c_driver);
665
666 MODULE_DESCRIPTION("ASoC AK4671 codec driver");
667 MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
668 MODULE_LICENSE("GPL");