Gitiles
Code Review Sign In
gerrit-public.fairphone.software / kernel / msm-4.9 / 4b21768a95d68fe26a6a9f08ca93a7c59c13fcac / . / sound / soc / codecs / rt286.c
blob: 53eb7f37bb735a04f1362831b2f3cb5e63763139 [file] [log] [blame]
Bard Liao07cf7cba2014-06-20 14:41:13 +0800[diff] [blame]1/*
2 * rt286.c -- RT286 ALSA SoC audio codec driver
3 *
4 * Copyright 2013 Realtek Semiconductor Corp.
5 * Author: Bard Liao <bardliao@realtek.com>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11
12#include <linux/module.h>
13#include <linux/moduleparam.h>
14#include <linux/init.h>
15#include <linux/delay.h>
16#include <linux/pm.h>
17#include <linux/i2c.h>
18#include <linux/platform_device.h>
19#include <linux/spi/spi.h>
20#include <linux/acpi.h>
21#include <sound/core.h>
22#include <sound/pcm.h>
23#include <sound/pcm_params.h>
24#include <sound/soc.h>
25#include <sound/soc-dapm.h>
26#include <sound/initval.h>
27#include <sound/tlv.h>
28#include <sound/jack.h>
29#include <linux/workqueue.h>
30#include <sound/rt286.h>
31#include <sound/hda_verbs.h>
32
33#include "rt286.h"
34
35#define RT286_VENDOR_ID 0x10ec0286
36
37struct rt286_priv {
38 struct regmap *regmap;
39 struct snd_soc_codec *codec;
40 struct rt286_platform_data pdata;
41 struct i2c_client *i2c;
42 struct snd_soc_jack *jack;
43 struct delayed_work jack_detect_work;
44 int sys_clk;
45 struct reg_default *index_cache;
46};
47
48static struct reg_default rt286_index_def[] = {
49 { 0x01, 0xaaaa },
50 { 0x02, 0x8aaa },
51 { 0x03, 0x0002 },
52 { 0x04, 0xaf01 },
53 { 0x08, 0x000d },
54 { 0x09, 0xd810 },
55 { 0x0a, 0x0060 },
56 { 0x0b, 0x0000 },
57 { 0x0f, 0x0000 },
58 { 0x19, 0x0a17 },
59 { 0x20, 0x0020 },
60 { 0x33, 0x0208 },
61 { 0x49, 0x0004 },
62 { 0x4f, 0x50e9 },
63 { 0x50, 0x2c00 },
64 { 0x63, 0x2902 },
65};
66#define INDEX_CACHE_SIZE ARRAY_SIZE(rt286_index_def)
67
68static const struct reg_default rt286_reg[] = {
69 { 0x00170500, 0x00000400 },
70 { 0x00220000, 0x00000031 },
71 { 0x00239000, 0x0000007f },
72 { 0x0023a000, 0x0000007f },
73 { 0x00270500, 0x00000400 },
74 { 0x00370500, 0x00000400 },
75 { 0x00870500, 0x00000400 },
76 { 0x00920000, 0x00000031 },
77 { 0x00935000, 0x000000c3 },
78 { 0x00936000, 0x000000c3 },
79 { 0x00970500, 0x00000400 },
80 { 0x00b37000, 0x00000097 },
81 { 0x00b37200, 0x00000097 },
82 { 0x00b37300, 0x00000097 },
83 { 0x00c37000, 0x00000000 },
84 { 0x00c37100, 0x00000080 },
85 { 0x01270500, 0x00000400 },
86 { 0x01370500, 0x00000400 },
87 { 0x01371f00, 0x411111f0 },
88 { 0x01439000, 0x00000080 },
89 { 0x0143a000, 0x00000080 },
90 { 0x01470700, 0x00000000 },
91 { 0x01470500, 0x00000400 },
92 { 0x01470c00, 0x00000000 },
93 { 0x01470100, 0x00000000 },
94 { 0x01837000, 0x00000000 },
95 { 0x01870500, 0x00000400 },
96 { 0x02050000, 0x00000000 },
97 { 0x02139000, 0x00000080 },
98 { 0x0213a000, 0x00000080 },
99 { 0x02170100, 0x00000000 },
100 { 0x02170500, 0x00000400 },
101 { 0x02170700, 0x00000000 },
102 { 0x02270100, 0x00000000 },
103 { 0x02370100, 0x00000000 },
104 { 0x02040000, 0x00004002 },
105 { 0x01870700, 0x00000020 },
106 { 0x00830000, 0x000000c3 },
107 { 0x00930000, 0x000000c3 },
108 { 0x01270700, 0x00000000 },
109};
110
111static bool rt286_volatile_register(struct device *dev, unsigned int reg)
112{
113 switch (reg) {
114 case 0 ... 0xff:
115 case RT286_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
116 case RT286_GET_HP_SENSE:
117 case RT286_GET_MIC1_SENSE:
118 case RT286_PROC_COEF:
119 return true;
120 default:
121 return false;
122 }
123
124
125}
126
127static bool rt286_readable_register(struct device *dev, unsigned int reg)
128{
129 switch (reg) {
130 case 0 ... 0xff:
131 case RT286_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
132 case RT286_GET_HP_SENSE:
133 case RT286_GET_MIC1_SENSE:
134 case RT286_SET_AUDIO_POWER:
135 case RT286_SET_HPO_POWER:
136 case RT286_SET_SPK_POWER:
137 case RT286_SET_DMIC1_POWER:
138 case RT286_SPK_MUX:
139 case RT286_HPO_MUX:
140 case RT286_ADC0_MUX:
141 case RT286_ADC1_MUX:
142 case RT286_SET_MIC1:
143 case RT286_SET_PIN_HPO:
144 case RT286_SET_PIN_SPK:
145 case RT286_SET_PIN_DMIC1:
146 case RT286_SPK_EAPD:
147 case RT286_SET_AMP_GAIN_HPO:
148 case RT286_SET_DMIC2_DEFAULT:
149 case RT286_DACL_GAIN:
150 case RT286_DACR_GAIN:
151 case RT286_ADCL_GAIN:
152 case RT286_ADCR_GAIN:
153 case RT286_MIC_GAIN:
154 case RT286_SPOL_GAIN:
155 case RT286_SPOR_GAIN:
156 case RT286_HPOL_GAIN:
157 case RT286_HPOR_GAIN:
158 case RT286_F_DAC_SWITCH:
159 case RT286_F_RECMIX_SWITCH:
160 case RT286_REC_MIC_SWITCH:
161 case RT286_REC_I2S_SWITCH:
162 case RT286_REC_LINE_SWITCH:
163 case RT286_REC_BEEP_SWITCH:
164 case RT286_DAC_FORMAT:
165 case RT286_ADC_FORMAT:
166 case RT286_COEF_INDEX:
167 case RT286_PROC_COEF:
168 case RT286_SET_AMP_GAIN_ADC_IN1:
169 case RT286_SET_AMP_GAIN_ADC_IN2:
170 case RT286_SET_POWER(RT286_DAC_OUT1):
171 case RT286_SET_POWER(RT286_DAC_OUT2):
172 case RT286_SET_POWER(RT286_ADC_IN1):
173 case RT286_SET_POWER(RT286_ADC_IN2):
174 case RT286_SET_POWER(RT286_DMIC2):
175 case RT286_SET_POWER(RT286_MIC1):
176 return true;
177 default:
178 return false;
179 }
180}
181
182static int rt286_hw_write(void *context, unsigned int reg, unsigned int value)
183{
184 struct i2c_client *client = context;
185 struct rt286_priv *rt286 = i2c_get_clientdata(client);
186 u8 data[4];
187 int ret, i;
188
189 /*handle index registers*/
190 if (reg <= 0xff) {
191 rt286_hw_write(client, RT286_COEF_INDEX, reg);
192 reg = RT286_PROC_COEF;
193 for (i = 0; i < INDEX_CACHE_SIZE; i++) {
194 if (reg == rt286->index_cache[i].reg) {
195 rt286->index_cache[i].def = value;
196 break;
197 }
198
199 }
200 }
201
202 data[0] = (reg >> 24) & 0xff;
203 data[1] = (reg >> 16) & 0xff;
204 /*
205 * 4 bit VID: reg should be 0
206 * 12 bit VID: value should be 0
207 * So we use an OR operator to handle it rather than use if condition.
208 */
209 data[2] = ((reg >> 8) & 0xff) | ((value >> 8) & 0xff);
210 data[3] = value & 0xff;
211
212 ret = i2c_master_send(client, data, 4);
213
214 if (ret == 4)
215 return 0;
216 else
217 pr_err("ret=%d\n", ret);
218 if (ret < 0)
219 return ret;
220 else
221 return -EIO;
222}
223
224static int rt286_hw_read(void *context, unsigned int reg, unsigned int *value)
225{
226 struct i2c_client *client = context;
227 struct i2c_msg xfer[2];
228 int ret;
229 __be32 be_reg;
230 unsigned int index, vid, buf = 0x0;
231
232 /*handle index registers*/
233 if (reg <= 0xff) {
234 rt286_hw_write(client, RT286_COEF_INDEX, reg);
235 reg = RT286_PROC_COEF;
236 }
237
238 reg = reg | 0x80000;
239 vid = (reg >> 8) & 0xfff;
240
241 if (AC_VERB_GET_AMP_GAIN_MUTE == (vid & 0xf00)) {
242 index = (reg >> 8) & 0xf;
243 reg = (reg & ~0xf0f) | index;
244 }
245 be_reg = cpu_to_be32(reg);
246
247 /* Write register */
248 xfer[0].addr = client->addr;
249 xfer[0].flags = 0;
250 xfer[0].len = 4;
251 xfer[0].buf = (u8 *)&be_reg;
252
253 /* Read data */
254 xfer[1].addr = client->addr;
255 xfer[1].flags = I2C_M_RD;
256 xfer[1].len = 4;
257 xfer[1].buf = (u8 *)&buf;
258
259 ret = i2c_transfer(client->adapter, xfer, 2);
260 if (ret < 0)
261 return ret;
262 else if (ret != 2)
263 return -EIO;
264
265 *value = be32_to_cpu(buf);
266
267 return 0;
268}
269
270static void rt286_index_sync(struct snd_soc_codec *codec)
271{
272 struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
273 int i;
274
275 for (i = 0; i < INDEX_CACHE_SIZE; i++) {
276 snd_soc_write(codec, rt286->index_cache[i].reg,
277 rt286->index_cache[i].def);
278 }
279}
280
281static int rt286_support_power_controls[] = {
282 RT286_DAC_OUT1,
283 RT286_DAC_OUT2,
284 RT286_ADC_IN1,
285 RT286_ADC_IN2,
286 RT286_MIC1,
287 RT286_DMIC1,
288 RT286_DMIC2,
289 RT286_SPK_OUT,
290 RT286_HP_OUT,
291};
292#define RT286_POWER_REG_LEN ARRAY_SIZE(rt286_support_power_controls)
293
294static int rt286_jack_detect(struct snd_soc_codec *codec, bool *hp, bool *mic)
295{
296 struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
297 unsigned int val, buf;
298 int i;
299
300 *hp = false;
301 *mic = false;
302
303 if (rt286->pdata.cbj_en) {
304 buf = snd_soc_read(codec, RT286_GET_HP_SENSE);
305 *hp = buf & 0x80000000;
306 if (*hp) {
307 /* power on HV,VERF */
308 snd_soc_update_bits(codec,
309 RT286_POWER_CTRL1, 0x1001, 0x0);
310 /* power LDO1 */
311 snd_soc_update_bits(codec,
312 RT286_POWER_CTRL2, 0x4, 0x4);
313 snd_soc_write(codec, RT286_SET_MIC1, 0x24);
314 val = snd_soc_read(codec, RT286_CBJ_CTRL2);
315
316 msleep(200);
317 i = 40;
318 while (((val & 0x0800) == 0) && (i > 0)) {
319 val = snd_soc_read(codec,
320 RT286_CBJ_CTRL2);
321 i--;
322 msleep(20);
323 }
324
325 if (0x0400 == (val & 0x0700)) {
326 *mic = false;
327
328 snd_soc_write(codec,
329 RT286_SET_MIC1, 0x20);
330 /* power off HV,VERF */
331 snd_soc_update_bits(codec,
332 RT286_POWER_CTRL1, 0x1001, 0x1001);
333 snd_soc_update_bits(codec,
334 RT286_A_BIAS_CTRL3, 0xc000, 0x0000);
335 snd_soc_update_bits(codec,
336 RT286_CBJ_CTRL1, 0x0030, 0x0000);
337 snd_soc_update_bits(codec,
338 RT286_A_BIAS_CTRL2, 0xc000, 0x0000);
339 } else if ((0x0200 == (val & 0x0700)) ||
340 (0x0100 == (val & 0x0700))) {
341 *mic = true;
342 snd_soc_update_bits(codec,
343 RT286_A_BIAS_CTRL3, 0xc000, 0x8000);
344 snd_soc_update_bits(codec,
345 RT286_CBJ_CTRL1, 0x0030, 0x0020);
346 snd_soc_update_bits(codec,
347 RT286_A_BIAS_CTRL2, 0xc000, 0x8000);
348 } else {
349 *mic = false;
350 }
351
352 snd_soc_update_bits(codec,
353 RT286_MISC_CTRL1,
354 0x0060, 0x0000);
355 } else {
356 snd_soc_update_bits(codec,
357 RT286_MISC_CTRL1,
358 0x0060, 0x0020);
359 snd_soc_update_bits(codec,
360 RT286_A_BIAS_CTRL3,
361 0xc000, 0x8000);
362 snd_soc_update_bits(codec,
363 RT286_CBJ_CTRL1,
364 0x0030, 0x0020);
365 snd_soc_update_bits(codec,
366 RT286_A_BIAS_CTRL2,
367 0xc000, 0x8000);
368
369 *mic = false;
370 }
371 } else {
372 buf = snd_soc_read(codec, RT286_GET_HP_SENSE);
373 *hp = buf & 0x80000000;
374 buf = snd_soc_read(codec, RT286_GET_MIC1_SENSE);
375 *mic = buf & 0x80000000;
376 }
377
378 return 0;
379}
380
381static void rt286_jack_detect_work(struct work_struct *work)
382{
383 struct rt286_priv *rt286 =
384 container_of(work, struct rt286_priv, jack_detect_work.work);
385 int status = 0;
386 bool hp = false;
387 bool mic = false;
388
389 rt286_jack_detect(rt286->codec, &hp, &mic);
390
391 if (hp == true)
392 status |= SND_JACK_HEADPHONE;
393
394 if (mic == true)
395 status |= SND_JACK_MICROPHONE;
396
397 snd_soc_jack_report(rt286->jack, status,
398 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
399}
400
401int rt286_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack)
402{
403 struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
404
405 rt286->jack = jack;
406
407 /* Send an initial empty report */
408 snd_soc_jack_report(rt286->jack, 0,
409 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
410
411 return 0;
412}
413EXPORT_SYMBOL_GPL(rt286_mic_detect);
414
415static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0);
416static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
417
418static const struct snd_kcontrol_new rt286_snd_controls[] = {
419 SOC_DOUBLE_R_TLV("DAC0 Playback Volume", RT286_DACL_GAIN,
420 RT286_DACR_GAIN, 0, 0x7f, 0, out_vol_tlv),
421 SOC_DOUBLE_R_TLV("ADC0 Capture Volume", RT286_ADCL_GAIN,
422 RT286_ADCR_GAIN, 0, 0x7f, 0, out_vol_tlv),
423 SOC_SINGLE_TLV("AMIC Volume", RT286_MIC_GAIN,
424 0, 0x3, 0, mic_vol_tlv),
425 SOC_DOUBLE_R("Speaker Playback Switch", RT286_SPOL_GAIN,
426 RT286_SPOR_GAIN, RT286_MUTE_SFT, 1, 1),
427};
428
429/* Digital Mixer */
430static const struct snd_kcontrol_new rt286_front_mix[] = {
431 SOC_DAPM_SINGLE("DAC Switch", RT286_F_DAC_SWITCH,
432 RT286_MUTE_SFT, 1, 1),
433 SOC_DAPM_SINGLE("RECMIX Switch", RT286_F_RECMIX_SWITCH,
434 RT286_MUTE_SFT, 1, 1),
435};
436
437/* Analog Input Mixer */
438static const struct snd_kcontrol_new rt286_rec_mix[] = {
439 SOC_DAPM_SINGLE("Mic1 Switch", RT286_REC_MIC_SWITCH,
440 RT286_MUTE_SFT, 1, 1),
441 SOC_DAPM_SINGLE("I2S Switch", RT286_REC_I2S_SWITCH,
442 RT286_MUTE_SFT, 1, 1),
443 SOC_DAPM_SINGLE("Line1 Switch", RT286_REC_LINE_SWITCH,
444 RT286_MUTE_SFT, 1, 1),
445 SOC_DAPM_SINGLE("Beep Switch", RT286_REC_BEEP_SWITCH,
446 RT286_MUTE_SFT, 1, 1),
447};
448
449static const struct snd_kcontrol_new spo_enable_control =
450 SOC_DAPM_SINGLE("Switch", RT286_SET_PIN_SPK,
451 RT286_SET_PIN_SFT, 1, 0);
452
453static const struct snd_kcontrol_new hpol_enable_control =
454 SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT286_HPOL_GAIN,
455 RT286_MUTE_SFT, 1, 1);
456
457static const struct snd_kcontrol_new hpor_enable_control =
458 SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT286_HPOR_GAIN,
459 RT286_MUTE_SFT, 1, 1);
460
461/* ADC0 source */
462static const char * const rt286_adc_src[] = {
463 "Mic", "RECMIX", "Dmic"
464};
465
466static const int rt286_adc_values[] = {
467 0, 4, 5,
468};
469
470static SOC_VALUE_ENUM_SINGLE_DECL(
471 rt286_adc0_enum, RT286_ADC0_MUX, RT286_ADC_SEL_SFT,
472 RT286_ADC_SEL_MASK, rt286_adc_src, rt286_adc_values);
473
474static const struct snd_kcontrol_new rt286_adc0_mux =
475 SOC_DAPM_ENUM("ADC 0 source", rt286_adc0_enum);
476
477static SOC_VALUE_ENUM_SINGLE_DECL(
478 rt286_adc1_enum, RT286_ADC1_MUX, RT286_ADC_SEL_SFT,
479 RT286_ADC_SEL_MASK, rt286_adc_src, rt286_adc_values);
480
481static const struct snd_kcontrol_new rt286_adc1_mux =
482 SOC_DAPM_ENUM("ADC 1 source", rt286_adc1_enum);
483
484static const char * const rt286_dac_src[] = {
485 "Front", "Surround"
486};
487/* HP-OUT source */
488static SOC_ENUM_SINGLE_DECL(rt286_hpo_enum, RT286_HPO_MUX,
489 0, rt286_dac_src);
490
491static const struct snd_kcontrol_new rt286_hpo_mux =
492SOC_DAPM_ENUM("HPO source", rt286_hpo_enum);
493
494/* SPK-OUT source */
495static SOC_ENUM_SINGLE_DECL(rt286_spo_enum, RT286_SPK_MUX,
496 0, rt286_dac_src);
497
498static const struct snd_kcontrol_new rt286_spo_mux =
499SOC_DAPM_ENUM("SPO source", rt286_spo_enum);
500
501static int rt286_spk_event(struct snd_soc_dapm_widget *w,
502 struct snd_kcontrol *kcontrol, int event)
503{
504 struct snd_soc_codec *codec = w->codec;
505
506 switch (event) {
507 case SND_SOC_DAPM_POST_PMU:
508 snd_soc_write(codec,
509 RT286_SPK_EAPD, RT286_SET_EAPD_HIGH);
510 break;
511 case SND_SOC_DAPM_PRE_PMD:
512 snd_soc_write(codec,
513 RT286_SPK_EAPD, RT286_SET_EAPD_LOW);
514 break;
515
516 default:
517 return 0;
518 }
519
520 return 0;
521}
522
523static int rt286_set_dmic1_event(struct snd_soc_dapm_widget *w,
524 struct snd_kcontrol *kcontrol, int event)
525{
526 struct snd_soc_codec *codec = w->codec;
527
528 switch (event) {
529 case SND_SOC_DAPM_POST_PMU:
530 snd_soc_write(codec, RT286_SET_PIN_DMIC1, 0x20);
531 break;
532 case SND_SOC_DAPM_PRE_PMD:
533 snd_soc_write(codec, RT286_SET_PIN_DMIC1, 0);
534 break;
535 default:
536 return 0;
537 }
538
539 return 0;
540}
541
542static int rt286_adc_event(struct snd_soc_dapm_widget *w,
543 struct snd_kcontrol *kcontrol, int event)
544{
545 struct snd_soc_codec *codec = w->codec;
546 unsigned int nid;
547
548 nid = (w->reg >> 20) & 0xff;
549
550 switch (event) {
551 case SND_SOC_DAPM_POST_PMU:
552 snd_soc_update_bits(codec,
553 VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
554 0x7080, 0x7000);
555 break;
556 case SND_SOC_DAPM_PRE_PMD:
557 snd_soc_update_bits(codec,
558 VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
559 0x7080, 0x7080);
560 break;
561 default:
562 return 0;
563 }
564
565 return 0;
566}
567
568static const struct snd_soc_dapm_widget rt286_dapm_widgets[] = {
569 /* Input Lines */
570 SND_SOC_DAPM_INPUT("DMIC1 Pin"),
571 SND_SOC_DAPM_INPUT("DMIC2 Pin"),
572 SND_SOC_DAPM_INPUT("MIC1"),
573 SND_SOC_DAPM_INPUT("LINE1"),
574 SND_SOC_DAPM_INPUT("Beep"),
575
576 /* DMIC */
577 SND_SOC_DAPM_PGA_E("DMIC1", RT286_SET_POWER(RT286_DMIC1), 0, 1,
578 NULL, 0, rt286_set_dmic1_event,
579 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
580 SND_SOC_DAPM_PGA("DMIC2", RT286_SET_POWER(RT286_DMIC2), 0, 1,
581 NULL, 0),
582 SND_SOC_DAPM_SUPPLY("DMIC Receiver", SND_SOC_NOPM,
583 0, 0, NULL, 0),
584
585 /* REC Mixer */
586 SND_SOC_DAPM_MIXER("RECMIX", SND_SOC_NOPM, 0, 0,
587 rt286_rec_mix, ARRAY_SIZE(rt286_rec_mix)),
588
589 /* ADCs */
590 SND_SOC_DAPM_ADC("ADC 0", NULL, SND_SOC_NOPM, 0, 0),
591 SND_SOC_DAPM_ADC("ADC 1", NULL, SND_SOC_NOPM, 0, 0),
592
593 /* ADC Mux */
594 SND_SOC_DAPM_MUX_E("ADC 0 Mux", RT286_SET_POWER(RT286_ADC_IN1), 0, 1,
595 &rt286_adc0_mux, rt286_adc_event, SND_SOC_DAPM_PRE_PMD |
596 SND_SOC_DAPM_POST_PMU),
597 SND_SOC_DAPM_MUX_E("ADC 1 Mux", RT286_SET_POWER(RT286_ADC_IN2), 0, 1,
598 &rt286_adc1_mux, rt286_adc_event, SND_SOC_DAPM_PRE_PMD |
599 SND_SOC_DAPM_POST_PMU),
600
601 /* Audio Interface */
602 SND_SOC_DAPM_AIF_IN("AIF1RX", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
603 SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
604 SND_SOC_DAPM_AIF_IN("AIF2RX", "AIF2 Playback", 0, SND_SOC_NOPM, 0, 0),
605 SND_SOC_DAPM_AIF_OUT("AIF2TX", "AIF2 Capture", 0, SND_SOC_NOPM, 0, 0),
606
607 /* Output Side */
608 /* DACs */
609 SND_SOC_DAPM_DAC("DAC 0", NULL, SND_SOC_NOPM, 0, 0),
610 SND_SOC_DAPM_DAC("DAC 1", NULL, SND_SOC_NOPM, 0, 0),
611
612 /* Output Mux */
613 SND_SOC_DAPM_MUX("SPK Mux", SND_SOC_NOPM, 0, 0, &rt286_spo_mux),
614 SND_SOC_DAPM_MUX("HPO Mux", SND_SOC_NOPM, 0, 0, &rt286_hpo_mux),
615
616 SND_SOC_DAPM_SUPPLY("HP Power", RT286_SET_PIN_HPO,
617 RT286_SET_PIN_SFT, 0, NULL, 0),
618
619 /* Output Mixer */
620 SND_SOC_DAPM_MIXER("Front", RT286_SET_POWER(RT286_DAC_OUT1), 0, 1,
621 rt286_front_mix, ARRAY_SIZE(rt286_front_mix)),
622 SND_SOC_DAPM_PGA("Surround", RT286_SET_POWER(RT286_DAC_OUT2), 0, 1,
623 NULL, 0),
624
625 /* Output Pga */
626 SND_SOC_DAPM_SWITCH_E("SPO", SND_SOC_NOPM, 0, 0,
627 &spo_enable_control, rt286_spk_event,
628 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
629 SND_SOC_DAPM_SWITCH("HPO L", SND_SOC_NOPM, 0, 0,
630 &hpol_enable_control),
631 SND_SOC_DAPM_SWITCH("HPO R", SND_SOC_NOPM, 0, 0,
632 &hpor_enable_control),
633
634 /* Output Lines */
635 SND_SOC_DAPM_OUTPUT("SPOL"),
636 SND_SOC_DAPM_OUTPUT("SPOR"),
637 SND_SOC_DAPM_OUTPUT("HPO Pin"),
638 SND_SOC_DAPM_OUTPUT("SPDIF"),
639};
640
641static const struct snd_soc_dapm_route rt286_dapm_routes[] = {
642 {"DMIC1", NULL, "DMIC1 Pin"},
643 {"DMIC2", NULL, "DMIC2 Pin"},
644 {"DMIC1", NULL, "DMIC Receiver"},
645 {"DMIC2", NULL, "DMIC Receiver"},
646
647 {"RECMIX", "Beep Switch", "Beep"},
648 {"RECMIX", "Line1 Switch", "LINE1"},
649 {"RECMIX", "Mic1 Switch", "MIC1"},
650
651 {"ADC 0 Mux", "Dmic", "DMIC1"},
652 {"ADC 0 Mux", "RECMIX", "RECMIX"},
653 {"ADC 0 Mux", "Mic", "MIC1"},
654 {"ADC 1 Mux", "Dmic", "DMIC2"},
655 {"ADC 1 Mux", "RECMIX", "RECMIX"},
656 {"ADC 1 Mux", "Mic", "MIC1"},
657
658 {"ADC 0", NULL, "ADC 0 Mux"},
659 {"ADC 1", NULL, "ADC 1 Mux"},
660
661 {"AIF1TX", NULL, "ADC 0"},
662 {"AIF2TX", NULL, "ADC 1"},
663
664 {"DAC 0", NULL, "AIF1RX"},
665 {"DAC 1", NULL, "AIF2RX"},
666
667 {"Front", "DAC Switch", "DAC 0"},
668 {"Front", "RECMIX Switch", "RECMIX"},
669
670 {"Surround", NULL, "DAC 1"},
671
672 {"SPK Mux", "Front", "Front"},
673 {"SPK Mux", "Surround", "Surround"},
674
675 {"HPO Mux", "Front", "Front"},
676 {"HPO Mux", "Surround", "Surround"},
677
678 {"SPO", "Switch", "SPK Mux"},
679 {"HPO L", "Switch", "HPO Mux"},
680 {"HPO R", "Switch", "HPO Mux"},
681 {"HPO L", NULL, "HP Power"},
682 {"HPO R", NULL, "HP Power"},
683
684 {"SPOL", NULL, "SPO"},
685 {"SPOR", NULL, "SPO"},
686 {"HPO Pin", NULL, "HPO L"},
687 {"HPO Pin", NULL, "HPO R"},
688};
689
690static int rt286_hw_params(struct snd_pcm_substream *substream,
691 struct snd_pcm_hw_params *params,
692 struct snd_soc_dai *dai)
693{
694 struct snd_soc_codec *codec = dai->codec;
695 struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
696 unsigned int val = 0;
697 int d_len_code;
698
699 switch (params_rate(params)) {
700 /* bit 14 0:48K 1:44.1K */
701 case 44100:
702 val |= 0x4000;
703 break;
704 case 48000:
705 break;
706 default:
707 dev_err(codec->dev, "Unsupported sample rate %d\n",
708 params_rate(params));
709 return -EINVAL;
710 }
711 switch (rt286->sys_clk) {
712 case 12288000:
713 case 24576000:
714 if (params_rate(params) != 48000) {
715 dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n",
716 params_rate(params), rt286->sys_clk);
717 return -EINVAL;
718 }
719 break;
720 case 11289600:
721 case 22579200:
722 if (params_rate(params) != 44100) {
723 dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n",
724 params_rate(params), rt286->sys_clk);
725 return -EINVAL;
726 }
727 break;
728 }
729
730 if (params_channels(params) <= 16) {
731 /* bit 3:0 Number of Channel */
732 val |= (params_channels(params) - 1);
733 } else {
734 dev_err(codec->dev, "Unsupported channels %d\n",
735 params_channels(params));
736 return -EINVAL;
737 }
738
739 d_len_code = 0;
740 switch (params_width(params)) {
741 /* bit 6:4 Bits per Sample */
742 case 16:
743 d_len_code = 0;
744 val |= (0x1 << 4);
745 break;
746 case 32:
747 d_len_code = 2;
748 val |= (0x4 << 4);
749 break;
750 case 20:
751 d_len_code = 1;
752 val |= (0x2 << 4);
753 break;
754 case 24:
755 d_len_code = 2;
756 val |= (0x3 << 4);
757 break;
758 case 8:
759 d_len_code = 3;
760 break;
761 default:
762 return -EINVAL;
763 }
764
765 snd_soc_update_bits(codec,
766 RT286_I2S_CTRL1, 0x0018, d_len_code << 3);
767 dev_dbg(codec->dev, "format val = 0x%x\n", val);
768
769 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
770 snd_soc_update_bits(codec, RT286_DAC_FORMAT, 0x407f, val);
771 else
772 snd_soc_update_bits(codec, RT286_ADC_FORMAT, 0x407f, val);
773
774 return 0;
775}
776
777static int rt286_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
778{
779 struct snd_soc_codec *codec = dai->codec;
780
781 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
782 case SND_SOC_DAIFMT_CBM_CFM:
783 snd_soc_update_bits(codec,
784 RT286_I2S_CTRL1, 0x800, 0x800);
785 break;
786 case SND_SOC_DAIFMT_CBS_CFS:
787 snd_soc_update_bits(codec,
788 RT286_I2S_CTRL1, 0x800, 0x0);
789 break;
790 default:
791 return -EINVAL;
792 }
793
794 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
795 case SND_SOC_DAIFMT_I2S:
796 snd_soc_update_bits(codec,
797 RT286_I2S_CTRL1, 0x300, 0x0);
798 break;
799 case SND_SOC_DAIFMT_LEFT_J:
800 snd_soc_update_bits(codec,
801 RT286_I2S_CTRL1, 0x300, 0x1 << 8);
802 break;
803 case SND_SOC_DAIFMT_DSP_A:
804 snd_soc_update_bits(codec,
805 RT286_I2S_CTRL1, 0x300, 0x2 << 8);
806 break;
807 case SND_SOC_DAIFMT_DSP_B:
808 snd_soc_update_bits(codec,
809 RT286_I2S_CTRL1, 0x300, 0x3 << 8);
810 break;
811 default:
812 return -EINVAL;
813 }
814 /* bit 15 Stream Type 0:PCM 1:Non-PCM */
815 snd_soc_update_bits(codec, RT286_DAC_FORMAT, 0x8000, 0);
816 snd_soc_update_bits(codec, RT286_ADC_FORMAT, 0x8000, 0);
817
818 return 0;
819}
820
821static int rt286_set_dai_sysclk(struct snd_soc_dai *dai,
822 int clk_id, unsigned int freq, int dir)
823{
824 struct snd_soc_codec *codec = dai->codec;
825 struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
826
827 dev_dbg(codec->dev, "%s freq=%d\n", __func__, freq);
828
829 if (RT286_SCLK_S_MCLK == clk_id) {
830 snd_soc_update_bits(codec,
831 RT286_I2S_CTRL2, 0x0100, 0x0);
832 snd_soc_update_bits(codec,
833 RT286_PLL_CTRL1, 0x20, 0x20);
834 } else {
835 snd_soc_update_bits(codec,
836 RT286_I2S_CTRL2, 0x0100, 0x0100);
837 snd_soc_update_bits(codec,
838 RT286_PLL_CTRL, 0x4, 0x4);
839 snd_soc_update_bits(codec,
840 RT286_PLL_CTRL1, 0x20, 0x0);
841 }
842
843 switch (freq) {
844 case 19200000:
845 if (RT286_SCLK_S_MCLK == clk_id) {
846 dev_err(codec->dev, "Should not use MCLK\n");
847 return -EINVAL;
848 }
849 snd_soc_update_bits(codec,
850 RT286_I2S_CTRL2, 0x40, 0x40);
851 break;
852 case 24000000:
853 if (RT286_SCLK_S_MCLK == clk_id) {
854 dev_err(codec->dev, "Should not use MCLK\n");
855 return -EINVAL;
856 }
857 snd_soc_update_bits(codec,
858 RT286_I2S_CTRL2, 0x40, 0x0);
859 break;
860 case 12288000:
861 case 11289600:
862 snd_soc_update_bits(codec,
863 RT286_I2S_CTRL2, 0x8, 0x0);
864 snd_soc_update_bits(codec,
865 RT286_CLK_DIV, 0xfc1e, 0x0004);
866 break;
867 case 24576000:
868 case 22579200:
869 snd_soc_update_bits(codec,
870 RT286_I2S_CTRL2, 0x8, 0x8);
871 snd_soc_update_bits(codec,
872 RT286_CLK_DIV, 0xfc1e, 0x5406);
873 break;
874 default:
875 dev_err(codec->dev, "Unsupported system clock\n");
876 return -EINVAL;
877 }
878
879 rt286->sys_clk = freq;
880
881 return 0;
882}
883
884static int rt286_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
885{
886 struct snd_soc_codec *codec = dai->codec;
887
888 dev_dbg(codec->dev, "%s ratio=%d\n", __func__, ratio);
889 if (50 == ratio)
890 snd_soc_update_bits(codec,
891 RT286_I2S_CTRL1, 0x1000, 0x1000);
892 else
893 snd_soc_update_bits(codec,
894 RT286_I2S_CTRL1, 0x1000, 0x0);
895
896
897 return 0;
898}
899
900static int rt286_set_bias_level(struct snd_soc_codec *codec,
901 enum snd_soc_bias_level level)
902{
903 switch (level) {
904 case SND_SOC_BIAS_PREPARE:
905 if (SND_SOC_BIAS_STANDBY == codec->dapm.bias_level)
906 snd_soc_write(codec,
907 RT286_SET_AUDIO_POWER, AC_PWRST_D0);
908 break;
909
910 case SND_SOC_BIAS_STANDBY:
911 snd_soc_write(codec,
912 RT286_SET_AUDIO_POWER, AC_PWRST_D3);
913 break;
914
915 default:
916 break;
917 }
918 codec->dapm.bias_level = level;
919
920 return 0;
921}
922
923static irqreturn_t rt286_irq(int irq, void *data)
924{
925 struct rt286_priv *rt286 = data;
926 bool hp = false;
927 bool mic = false;
928 int status = 0;
929
930 rt286_jack_detect(rt286->codec, &hp, &mic);
931
932 /* Clear IRQ */
933 snd_soc_update_bits(rt286->codec,
934 RT286_IRQ_CTRL, 0x1, 0x1);
935
936 if (hp == true)
937 status |= SND_JACK_HEADPHONE;
938
939 if (mic == true)
940 status |= SND_JACK_MICROPHONE;
941
942 snd_soc_jack_report(rt286->jack, status,
943 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
944
945 pm_wakeup_event(&rt286->i2c->dev, 300);
946
947 return IRQ_HANDLED;
948}
949
950static int rt286_probe(struct snd_soc_codec *codec)
951{
952 struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
953 int i, ret;
954
Bard Liao07cf7cba2014-06-20 14:41:13 +0800[diff] [blame]955 snd_soc_write(codec, RT286_SET_AUDIO_POWER, AC_PWRST_D3);
956
957 for (i = 0; i < RT286_POWER_REG_LEN; i++)
958 snd_soc_write(codec,
959 RT286_SET_POWER(rt286_support_power_controls[i]),
960 AC_PWRST_D1);
961
962 if (!rt286->pdata.cbj_en) {
963 snd_soc_write(codec, RT286_CBJ_CTRL2, 0x0000);
964 snd_soc_write(codec, RT286_MIC1_DET_CTRL, 0x0816);
965 snd_soc_write(codec, RT286_MISC_CTRL1, 0x0000);
966 snd_soc_update_bits(codec,
967 RT286_CBJ_CTRL1, 0xf000, 0xb000);
968 } else {
969 snd_soc_update_bits(codec,
970 RT286_CBJ_CTRL1, 0xf000, 0x5000);
971 }
972
973 mdelay(10);
974
975 if (!rt286->pdata.gpio2_en)
976 snd_soc_write(codec, RT286_SET_DMIC2_DEFAULT, 0x4000);
977 else
978 snd_soc_write(codec, RT286_SET_DMIC2_DEFAULT, 0);
979
980 mdelay(10);
981
982 /*Power down LDO2*/
983 snd_soc_update_bits(codec, RT286_POWER_CTRL2, 0x8, 0x0);
984
985 codec->dapm.bias_level = SND_SOC_BIAS_OFF;
986 rt286->codec = codec;
987
Bard Liao07cf7cba2014-06-20 14:41:13 +0800[diff] [blame]988 if (rt286->i2c->irq) {
989 snd_soc_update_bits(codec,
990 RT286_IRQ_CTRL, 0x2, 0x2);
991
992 INIT_DELAYED_WORK(&rt286->jack_detect_work,
993 rt286_jack_detect_work);
994 schedule_delayed_work(&rt286->jack_detect_work,
995 msecs_to_jiffies(1250));
996
997 ret = request_threaded_irq(rt286->i2c->irq, NULL, rt286_irq,
998 IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "rt286", rt286);
999 if (ret != 0) {
1000 dev_err(codec->dev,
1001 "Failed to reguest IRQ: %d\n", ret);
1002 return ret;
1003 }
1004 }
1005
1006 return 0;
1007}
1008
1009static int rt286_remove(struct snd_soc_codec *codec)
1010{
1011 struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
1012
1013 cancel_delayed_work_sync(&rt286->jack_detect_work);
1014
1015 return 0;
1016}
1017
1018#ifdef CONFIG_PM
1019static int rt286_suspend(struct snd_soc_codec *codec)
1020{
1021 struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
1022
1023 regcache_cache_only(rt286->regmap, true);
1024 regcache_mark_dirty(rt286->regmap);
1025
1026 return 0;
1027}
1028
1029static int rt286_resume(struct snd_soc_codec *codec)
1030{
1031 struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
1032
1033 regcache_cache_only(rt286->regmap, false);
1034 rt286_index_sync(codec);
1035 regcache_sync(rt286->regmap);
1036
1037 return 0;
1038}
1039#else
1040#define rt286_suspend NULL
1041#define rt286_resume NULL
1042#endif
1043
1044#define RT286_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
1045#define RT286_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1046 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
1047
1048static const struct snd_soc_dai_ops rt286_aif_dai_ops = {
1049 .hw_params = rt286_hw_params,
1050 .set_fmt = rt286_set_dai_fmt,
1051 .set_sysclk = rt286_set_dai_sysclk,
1052 .set_bclk_ratio = rt286_set_bclk_ratio,
1053};
1054
1055static struct snd_soc_dai_driver rt286_dai[] = {
1056 {
1057 .name = "rt286-aif1",
1058 .id = RT286_AIF1,
1059 .playback = {
1060 .stream_name = "AIF1 Playback",
1061 .channels_min = 1,
1062 .channels_max = 2,
1063 .rates = RT286_STEREO_RATES,
1064 .formats = RT286_FORMATS,
1065 },
1066 .capture = {
1067 .stream_name = "AIF1 Capture",
1068 .channels_min = 1,
1069 .channels_max = 2,
1070 .rates = RT286_STEREO_RATES,
1071 .formats = RT286_FORMATS,
1072 },
1073 .ops = &rt286_aif_dai_ops,
1074 .symmetric_rates = 1,
1075 },
1076 {
1077 .name = "rt286-aif2",
1078 .id = RT286_AIF2,
1079 .playback = {
1080 .stream_name = "AIF2 Playback",
1081 .channels_min = 1,
1082 .channels_max = 2,
1083 .rates = RT286_STEREO_RATES,
1084 .formats = RT286_FORMATS,
1085 },
1086 .capture = {
1087 .stream_name = "AIF2 Capture",
1088 .channels_min = 1,
1089 .channels_max = 2,
1090 .rates = RT286_STEREO_RATES,
1091 .formats = RT286_FORMATS,
1092 },
1093 .ops = &rt286_aif_dai_ops,
1094 .symmetric_rates = 1,
1095 },
1096
1097};
1098
1099static struct snd_soc_codec_driver soc_codec_dev_rt286 = {
1100 .probe = rt286_probe,
1101 .remove = rt286_remove,
1102 .suspend = rt286_suspend,
1103 .resume = rt286_resume,
1104 .set_bias_level = rt286_set_bias_level,
1105 .idle_bias_off = true,
1106 .controls = rt286_snd_controls,
1107 .num_controls = ARRAY_SIZE(rt286_snd_controls),
1108 .dapm_widgets = rt286_dapm_widgets,
1109 .num_dapm_widgets = ARRAY_SIZE(rt286_dapm_widgets),
1110 .dapm_routes = rt286_dapm_routes,
1111 .num_dapm_routes = ARRAY_SIZE(rt286_dapm_routes),
1112};
1113
1114static const struct regmap_config rt286_regmap = {
1115 .reg_bits = 32,
1116 .val_bits = 32,
1117 .max_register = 0x02370100,
1118 .volatile_reg = rt286_volatile_register,
1119 .readable_reg = rt286_readable_register,
1120 .reg_write = rt286_hw_write,
1121 .reg_read = rt286_hw_read,
1122 .cache_type = REGCACHE_RBTREE,
1123 .reg_defaults = rt286_reg,
1124 .num_reg_defaults = ARRAY_SIZE(rt286_reg),
1125};
1126
1127static const struct i2c_device_id rt286_i2c_id[] = {
1128 {"rt286", 0},
1129 {}
1130};
1131MODULE_DEVICE_TABLE(i2c, rt286_i2c_id);
1132
1133static const struct acpi_device_id rt286_acpi_match[] = {
1134 { "INT343A", 0 },
1135 {},
1136};
1137MODULE_DEVICE_TABLE(acpi, rt286_acpi_match);
1138
1139static int rt286_i2c_probe(struct i2c_client *i2c,
1140 const struct i2c_device_id *id)
1141{
1142 struct rt286_platform_data *pdata = dev_get_platdata(&i2c->dev);
1143 struct rt286_priv *rt286;
1144 int ret;
1145
1146 rt286 = devm_kzalloc(&i2c->dev, sizeof(*rt286),
1147 GFP_KERNEL);
1148 if (NULL == rt286)
1149 return -ENOMEM;
1150
1151 rt286->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt286_regmap);
1152 if (IS_ERR(rt286->regmap)) {
1153 ret = PTR_ERR(rt286->regmap);
1154 dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1155 ret);
1156 return ret;
1157 }
1158
Bard Liao4b21768a2014-07-07 16:48:37 +0800[diff] [blame^]1159 regmap_read(rt286->regmap,
1160 RT286_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID), &ret);
1161 if (ret != RT286_VENDOR_ID) {
1162 dev_err(&i2c->dev,
1163 "Device with ID register %x is not rt286\n", ret);
1164 return -ENODEV;
1165 }
1166
Bard Liao07cf7cba2014-06-20 14:41:13 +0800[diff] [blame]1167 rt286->index_cache = rt286_index_def;
1168 rt286->i2c = i2c;
1169 i2c_set_clientdata(i2c, rt286);
1170
1171 if (pdata)
1172 rt286->pdata = *pdata;
1173
1174 ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt286,
1175 rt286_dai, ARRAY_SIZE(rt286_dai));
1176
1177 return ret;
1178}
1179
1180static int rt286_i2c_remove(struct i2c_client *i2c)
1181{
1182 struct rt286_priv *rt286 = i2c_get_clientdata(i2c);
1183
1184 if (i2c->irq)
1185 free_irq(i2c->irq, rt286);
1186 snd_soc_unregister_codec(&i2c->dev);
1187
1188 return 0;
1189}
1190
1191
1192struct i2c_driver rt286_i2c_driver = {
1193 .driver = {
1194 .name = "rt286",
1195 .owner = THIS_MODULE,
1196 .acpi_match_table = ACPI_PTR(rt286_acpi_match),
1197 },
1198 .probe = rt286_i2c_probe,
1199 .remove = rt286_i2c_remove,
1200 .id_table = rt286_i2c_id,
1201};
1202
1203module_i2c_driver(rt286_i2c_driver);
1204
1205MODULE_DESCRIPTION("ASoC RT286 driver");
1206MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>");
1207MODULE_LICENSE("GPL");