ASoC: rt298: fix jack type detect error
[muen/linux.git] / sound / soc / codecs / rt298.c
1 /*
2  * rt298.c  --  RT298 ALSA SoC audio codec driver
3  *
4  * Copyright 2015 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/dmi.h>
21 #include <linux/acpi.h>
22 #include <sound/core.h>
23 #include <sound/pcm.h>
24 #include <sound/pcm_params.h>
25 #include <sound/soc.h>
26 #include <sound/soc-dapm.h>
27 #include <sound/initval.h>
28 #include <sound/tlv.h>
29 #include <sound/jack.h>
30 #include <linux/workqueue.h>
31 #include <sound/rt298.h>
32
33 #include "rl6347a.h"
34 #include "rt298.h"
35
36 #define RT298_VENDOR_ID 0x10ec0298
37
38 struct rt298_priv {
39         struct reg_default *index_cache;
40         int index_cache_size;
41         struct regmap *regmap;
42         struct snd_soc_codec *codec;
43         struct rt298_platform_data pdata;
44         struct i2c_client *i2c;
45         struct snd_soc_jack *jack;
46         struct delayed_work jack_detect_work;
47         int sys_clk;
48         int clk_id;
49         int is_hp_in;
50 };
51
52 static const struct reg_default rt298_index_def[] = {
53         { 0x01, 0xa5a8 },
54         { 0x02, 0x8e95 },
55         { 0x03, 0x0002 },
56         { 0x04, 0xaf67 },
57         { 0x08, 0x200f },
58         { 0x09, 0xd010 },
59         { 0x0a, 0x0100 },
60         { 0x0b, 0x0000 },
61         { 0x0d, 0x2800 },
62         { 0x0f, 0x0022 },
63         { 0x19, 0x0217 },
64         { 0x20, 0x0020 },
65         { 0x33, 0x0208 },
66         { 0x46, 0x0300 },
67         { 0x49, 0x4004 },
68         { 0x4f, 0x50c9 },
69         { 0x50, 0x3000 },
70         { 0x63, 0x1b02 },
71         { 0x67, 0x1111 },
72         { 0x68, 0x1016 },
73         { 0x69, 0x273f },
74 };
75 #define INDEX_CACHE_SIZE ARRAY_SIZE(rt298_index_def)
76
77 static const struct reg_default rt298_reg[] = {
78         { 0x00170500, 0x00000400 },
79         { 0x00220000, 0x00000031 },
80         { 0x00239000, 0x0000007f },
81         { 0x0023a000, 0x0000007f },
82         { 0x00270500, 0x00000400 },
83         { 0x00370500, 0x00000400 },
84         { 0x00870500, 0x00000400 },
85         { 0x00920000, 0x00000031 },
86         { 0x00935000, 0x000000c3 },
87         { 0x00936000, 0x000000c3 },
88         { 0x00970500, 0x00000400 },
89         { 0x00b37000, 0x00000097 },
90         { 0x00b37200, 0x00000097 },
91         { 0x00b37300, 0x00000097 },
92         { 0x00c37000, 0x00000000 },
93         { 0x00c37100, 0x00000080 },
94         { 0x01270500, 0x00000400 },
95         { 0x01370500, 0x00000400 },
96         { 0x01371f00, 0x411111f0 },
97         { 0x01439000, 0x00000080 },
98         { 0x0143a000, 0x00000080 },
99         { 0x01470700, 0x00000000 },
100         { 0x01470500, 0x00000400 },
101         { 0x01470c00, 0x00000000 },
102         { 0x01470100, 0x00000000 },
103         { 0x01837000, 0x00000000 },
104         { 0x01870500, 0x00000400 },
105         { 0x02050000, 0x00000000 },
106         { 0x02139000, 0x00000080 },
107         { 0x0213a000, 0x00000080 },
108         { 0x02170100, 0x00000000 },
109         { 0x02170500, 0x00000400 },
110         { 0x02170700, 0x00000000 },
111         { 0x02270100, 0x00000000 },
112         { 0x02370100, 0x00000000 },
113         { 0x01870700, 0x00000020 },
114         { 0x00830000, 0x000000c3 },
115         { 0x00930000, 0x000000c3 },
116         { 0x01270700, 0x00000000 },
117 };
118
119 static bool rt298_volatile_register(struct device *dev, unsigned int reg)
120 {
121         switch (reg) {
122         case 0 ... 0xff:
123         case RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
124         case RT298_GET_HP_SENSE:
125         case RT298_GET_MIC1_SENSE:
126         case RT298_PROC_COEF:
127         case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_MIC1, 0):
128         case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_SPK_OUT, 0):
129         case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_HP_OUT, 0):
130                 return true;
131         default:
132                 return false;
133         }
134
135
136 }
137
138 static bool rt298_readable_register(struct device *dev, unsigned int reg)
139 {
140         switch (reg) {
141         case 0 ... 0xff:
142         case RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
143         case RT298_GET_HP_SENSE:
144         case RT298_GET_MIC1_SENSE:
145         case RT298_SET_AUDIO_POWER:
146         case RT298_SET_HPO_POWER:
147         case RT298_SET_SPK_POWER:
148         case RT298_SET_DMIC1_POWER:
149         case RT298_SPK_MUX:
150         case RT298_HPO_MUX:
151         case RT298_ADC0_MUX:
152         case RT298_ADC1_MUX:
153         case RT298_SET_MIC1:
154         case RT298_SET_PIN_HPO:
155         case RT298_SET_PIN_SPK:
156         case RT298_SET_PIN_DMIC1:
157         case RT298_SPK_EAPD:
158         case RT298_SET_AMP_GAIN_HPO:
159         case RT298_SET_DMIC2_DEFAULT:
160         case RT298_DACL_GAIN:
161         case RT298_DACR_GAIN:
162         case RT298_ADCL_GAIN:
163         case RT298_ADCR_GAIN:
164         case RT298_MIC_GAIN:
165         case RT298_SPOL_GAIN:
166         case RT298_SPOR_GAIN:
167         case RT298_HPOL_GAIN:
168         case RT298_HPOR_GAIN:
169         case RT298_F_DAC_SWITCH:
170         case RT298_F_RECMIX_SWITCH:
171         case RT298_REC_MIC_SWITCH:
172         case RT298_REC_I2S_SWITCH:
173         case RT298_REC_LINE_SWITCH:
174         case RT298_REC_BEEP_SWITCH:
175         case RT298_DAC_FORMAT:
176         case RT298_ADC_FORMAT:
177         case RT298_COEF_INDEX:
178         case RT298_PROC_COEF:
179         case RT298_SET_AMP_GAIN_ADC_IN1:
180         case RT298_SET_AMP_GAIN_ADC_IN2:
181         case RT298_SET_POWER(RT298_DAC_OUT1):
182         case RT298_SET_POWER(RT298_DAC_OUT2):
183         case RT298_SET_POWER(RT298_ADC_IN1):
184         case RT298_SET_POWER(RT298_ADC_IN2):
185         case RT298_SET_POWER(RT298_DMIC2):
186         case RT298_SET_POWER(RT298_MIC1):
187         case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_MIC1, 0):
188         case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_SPK_OUT, 0):
189         case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_HP_OUT, 0):
190                 return true;
191         default:
192                 return false;
193         }
194 }
195
196 #ifdef CONFIG_PM
197 static void rt298_index_sync(struct snd_soc_codec *codec)
198 {
199         struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
200         int i;
201
202         for (i = 0; i < INDEX_CACHE_SIZE; i++) {
203                 snd_soc_write(codec, rt298->index_cache[i].reg,
204                                   rt298->index_cache[i].def);
205         }
206 }
207 #endif
208
209 static int rt298_support_power_controls[] = {
210         RT298_DAC_OUT1,
211         RT298_DAC_OUT2,
212         RT298_ADC_IN1,
213         RT298_ADC_IN2,
214         RT298_MIC1,
215         RT298_DMIC1,
216         RT298_DMIC2,
217         RT298_SPK_OUT,
218         RT298_HP_OUT,
219 };
220 #define RT298_POWER_REG_LEN ARRAY_SIZE(rt298_support_power_controls)
221
222 static int rt298_jack_detect(struct rt298_priv *rt298, bool *hp, bool *mic)
223 {
224         struct snd_soc_dapm_context *dapm;
225         unsigned int val, buf;
226
227         *hp = false;
228         *mic = false;
229
230         if (!rt298->codec)
231                 return -EINVAL;
232
233         dapm = snd_soc_codec_get_dapm(rt298->codec);
234
235         if (rt298->pdata.cbj_en) {
236                 regmap_read(rt298->regmap, RT298_GET_HP_SENSE, &buf);
237                 *hp = buf & 0x80000000;
238                 if (*hp == rt298->is_hp_in)
239                         return -1;
240                 rt298->is_hp_in = *hp;
241                 if (*hp) {
242                         /* power on HV,VERF */
243                         regmap_update_bits(rt298->regmap,
244                                 RT298_DC_GAIN, 0x200, 0x200);
245
246                         snd_soc_dapm_force_enable_pin(dapm, "HV");
247                         snd_soc_dapm_force_enable_pin(dapm, "VREF");
248                         /* power LDO1 */
249                         snd_soc_dapm_force_enable_pin(dapm, "LDO1");
250                         snd_soc_dapm_sync(dapm);
251
252                         regmap_update_bits(rt298->regmap,
253                                 RT298_POWER_CTRL1, 0x1001, 0);
254                         regmap_update_bits(rt298->regmap,
255                                 RT298_POWER_CTRL2, 0x4, 0x4);
256
257                         regmap_write(rt298->regmap, RT298_SET_MIC1, 0x24);
258                         msleep(50);
259
260                         regmap_update_bits(rt298->regmap,
261                                 RT298_CBJ_CTRL1, 0xfcc0, 0xd400);
262                         msleep(300);
263                         regmap_read(rt298->regmap, RT298_CBJ_CTRL2, &val);
264
265                         if (0x0070 == (val & 0x0070)) {
266                                 *mic = true;
267                         } else {
268                                 regmap_update_bits(rt298->regmap,
269                                         RT298_CBJ_CTRL1, 0xfcc0, 0xe400);
270                                 msleep(300);
271                                 regmap_read(rt298->regmap,
272                                         RT298_CBJ_CTRL2, &val);
273                                 if (0x0070 == (val & 0x0070))
274                                         *mic = true;
275                                 else
276                                         *mic = false;
277                         }
278                         regmap_update_bits(rt298->regmap,
279                                 RT298_DC_GAIN, 0x200, 0x0);
280
281                 } else {
282                         *mic = false;
283                         regmap_write(rt298->regmap, RT298_SET_MIC1, 0x20);
284                         regmap_update_bits(rt298->regmap,
285                                 RT298_CBJ_CTRL1, 0x0400, 0x0000);
286                 }
287         } else {
288                 regmap_read(rt298->regmap, RT298_GET_HP_SENSE, &buf);
289                 *hp = buf & 0x80000000;
290                 regmap_read(rt298->regmap, RT298_GET_MIC1_SENSE, &buf);
291                 *mic = buf & 0x80000000;
292         }
293
294         snd_soc_dapm_disable_pin(dapm, "HV");
295         snd_soc_dapm_disable_pin(dapm, "VREF");
296         if (!*hp)
297                 snd_soc_dapm_disable_pin(dapm, "LDO1");
298         snd_soc_dapm_sync(dapm);
299
300         pr_debug("*hp = %d *mic = %d\n", *hp, *mic);
301
302         return 0;
303 }
304
305 static void rt298_jack_detect_work(struct work_struct *work)
306 {
307         struct rt298_priv *rt298 =
308                 container_of(work, struct rt298_priv, jack_detect_work.work);
309         int status = 0;
310         bool hp = false;
311         bool mic = false;
312
313         if (rt298_jack_detect(rt298, &hp, &mic) < 0)
314                 return;
315
316         if (hp == true)
317                 status |= SND_JACK_HEADPHONE;
318
319         if (mic == true)
320                 status |= SND_JACK_MICROPHONE;
321
322         snd_soc_jack_report(rt298->jack, status,
323                 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
324 }
325
326 int rt298_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack)
327 {
328         struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
329
330         rt298->jack = jack;
331
332         /* Send an initial empty report */
333         snd_soc_jack_report(rt298->jack, 0,
334                 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
335
336         return 0;
337 }
338 EXPORT_SYMBOL_GPL(rt298_mic_detect);
339
340 static int is_mclk_mode(struct snd_soc_dapm_widget *source,
341                          struct snd_soc_dapm_widget *sink)
342 {
343         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
344         struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
345
346         if (rt298->clk_id == RT298_SCLK_S_MCLK)
347                 return 1;
348         else
349                 return 0;
350 }
351
352 static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0);
353 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
354
355 static const struct snd_kcontrol_new rt298_snd_controls[] = {
356         SOC_DOUBLE_R_TLV("DAC0 Playback Volume", RT298_DACL_GAIN,
357                             RT298_DACR_GAIN, 0, 0x7f, 0, out_vol_tlv),
358         SOC_DOUBLE_R_TLV("ADC0 Capture Volume", RT298_ADCL_GAIN,
359                             RT298_ADCR_GAIN, 0, 0x7f, 0, out_vol_tlv),
360         SOC_SINGLE_TLV("AMIC Volume", RT298_MIC_GAIN,
361                             0, 0x3, 0, mic_vol_tlv),
362         SOC_DOUBLE_R("Speaker Playback Switch", RT298_SPOL_GAIN,
363                             RT298_SPOR_GAIN, RT298_MUTE_SFT, 1, 1),
364 };
365
366 /* Digital Mixer */
367 static const struct snd_kcontrol_new rt298_front_mix[] = {
368         SOC_DAPM_SINGLE("DAC Switch",  RT298_F_DAC_SWITCH,
369                         RT298_MUTE_SFT, 1, 1),
370         SOC_DAPM_SINGLE("RECMIX Switch", RT298_F_RECMIX_SWITCH,
371                         RT298_MUTE_SFT, 1, 1),
372 };
373
374 /* Analog Input Mixer */
375 static const struct snd_kcontrol_new rt298_rec_mix[] = {
376         SOC_DAPM_SINGLE("Mic1 Switch", RT298_REC_MIC_SWITCH,
377                         RT298_MUTE_SFT, 1, 1),
378         SOC_DAPM_SINGLE("I2S Switch", RT298_REC_I2S_SWITCH,
379                         RT298_MUTE_SFT, 1, 1),
380         SOC_DAPM_SINGLE("Line1 Switch", RT298_REC_LINE_SWITCH,
381                         RT298_MUTE_SFT, 1, 1),
382         SOC_DAPM_SINGLE("Beep Switch", RT298_REC_BEEP_SWITCH,
383                         RT298_MUTE_SFT, 1, 1),
384 };
385
386 static const struct snd_kcontrol_new spo_enable_control =
387         SOC_DAPM_SINGLE("Switch", RT298_SET_PIN_SPK,
388                         RT298_SET_PIN_SFT, 1, 0);
389
390 static const struct snd_kcontrol_new hpol_enable_control =
391         SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT298_HPOL_GAIN,
392                         RT298_MUTE_SFT, 1, 1);
393
394 static const struct snd_kcontrol_new hpor_enable_control =
395         SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT298_HPOR_GAIN,
396                         RT298_MUTE_SFT, 1, 1);
397
398 /* ADC0 source */
399 static const char * const rt298_adc_src[] = {
400         "Mic", "RECMIX", "Dmic"
401 };
402
403 static const int rt298_adc_values[] = {
404         0, 4, 5,
405 };
406
407 static SOC_VALUE_ENUM_SINGLE_DECL(
408         rt298_adc0_enum, RT298_ADC0_MUX, RT298_ADC_SEL_SFT,
409         RT298_ADC_SEL_MASK, rt298_adc_src, rt298_adc_values);
410
411 static const struct snd_kcontrol_new rt298_adc0_mux =
412         SOC_DAPM_ENUM("ADC 0 source", rt298_adc0_enum);
413
414 static SOC_VALUE_ENUM_SINGLE_DECL(
415         rt298_adc1_enum, RT298_ADC1_MUX, RT298_ADC_SEL_SFT,
416         RT298_ADC_SEL_MASK, rt298_adc_src, rt298_adc_values);
417
418 static const struct snd_kcontrol_new rt298_adc1_mux =
419         SOC_DAPM_ENUM("ADC 1 source", rt298_adc1_enum);
420
421 static const char * const rt298_dac_src[] = {
422         "Front", "Surround"
423 };
424 /* HP-OUT source */
425 static SOC_ENUM_SINGLE_DECL(rt298_hpo_enum, RT298_HPO_MUX,
426                                 0, rt298_dac_src);
427
428 static const struct snd_kcontrol_new rt298_hpo_mux =
429 SOC_DAPM_ENUM("HPO source", rt298_hpo_enum);
430
431 /* SPK-OUT source */
432 static SOC_ENUM_SINGLE_DECL(rt298_spo_enum, RT298_SPK_MUX,
433                                 0, rt298_dac_src);
434
435 static const struct snd_kcontrol_new rt298_spo_mux =
436 SOC_DAPM_ENUM("SPO source", rt298_spo_enum);
437
438 static int rt298_spk_event(struct snd_soc_dapm_widget *w,
439                             struct snd_kcontrol *kcontrol, int event)
440 {
441         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
442
443         switch (event) {
444         case SND_SOC_DAPM_POST_PMU:
445                 snd_soc_write(codec,
446                         RT298_SPK_EAPD, RT298_SET_EAPD_HIGH);
447                 break;
448         case SND_SOC_DAPM_PRE_PMD:
449                 snd_soc_write(codec,
450                         RT298_SPK_EAPD, RT298_SET_EAPD_LOW);
451                 break;
452
453         default:
454                 return 0;
455         }
456
457         return 0;
458 }
459
460 static int rt298_set_dmic1_event(struct snd_soc_dapm_widget *w,
461                                   struct snd_kcontrol *kcontrol, int event)
462 {
463         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
464
465         switch (event) {
466         case SND_SOC_DAPM_POST_PMU:
467                 snd_soc_write(codec, RT298_SET_PIN_DMIC1, 0x20);
468                 break;
469         case SND_SOC_DAPM_PRE_PMD:
470                 snd_soc_write(codec, RT298_SET_PIN_DMIC1, 0);
471                 break;
472         default:
473                 return 0;
474         }
475
476         return 0;
477 }
478
479 static int rt298_adc_event(struct snd_soc_dapm_widget *w,
480                              struct snd_kcontrol *kcontrol, int event)
481 {
482         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
483         unsigned int nid;
484
485         nid = (w->reg >> 20) & 0xff;
486
487         switch (event) {
488         case SND_SOC_DAPM_POST_PMU:
489                 snd_soc_update_bits(codec,
490                         VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
491                         0x7080, 0x7000);
492                  /* If MCLK doesn't exist, reset AD filter */
493                 if (!(snd_soc_read(codec, RT298_VAD_CTRL) & 0x200)) {
494                         pr_info("NO MCLK\n");
495                         switch (nid) {
496                         case RT298_ADC_IN1:
497                                 snd_soc_update_bits(codec,
498                                         RT298_D_FILTER_CTRL, 0x2, 0x2);
499                                 mdelay(10);
500                                 snd_soc_update_bits(codec,
501                                         RT298_D_FILTER_CTRL, 0x2, 0x0);
502                                 break;
503                         case RT298_ADC_IN2:
504                                 snd_soc_update_bits(codec,
505                                         RT298_D_FILTER_CTRL, 0x4, 0x4);
506                                 mdelay(10);
507                                 snd_soc_update_bits(codec,
508                                         RT298_D_FILTER_CTRL, 0x4, 0x0);
509                                 break;
510                         }
511                 }
512                 break;
513         case SND_SOC_DAPM_PRE_PMD:
514                 snd_soc_update_bits(codec,
515                         VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
516                         0x7080, 0x7080);
517                 break;
518         default:
519                 return 0;
520         }
521
522         return 0;
523 }
524
525 static int rt298_mic1_event(struct snd_soc_dapm_widget *w,
526                              struct snd_kcontrol *kcontrol, int event)
527 {
528         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
529
530         switch (event) {
531         case SND_SOC_DAPM_PRE_PMU:
532                 snd_soc_update_bits(codec,
533                         RT298_A_BIAS_CTRL3, 0xc000, 0x8000);
534                 snd_soc_update_bits(codec,
535                         RT298_A_BIAS_CTRL2, 0xc000, 0x8000);
536                 break;
537         case SND_SOC_DAPM_POST_PMD:
538                 snd_soc_update_bits(codec,
539                         RT298_A_BIAS_CTRL3, 0xc000, 0x0000);
540                 snd_soc_update_bits(codec,
541                         RT298_A_BIAS_CTRL2, 0xc000, 0x0000);
542                 break;
543         default:
544                 return 0;
545         }
546
547         return 0;
548 }
549
550 static const struct snd_soc_dapm_widget rt298_dapm_widgets[] = {
551
552         SND_SOC_DAPM_SUPPLY_S("HV", 1, RT298_POWER_CTRL1,
553                 12, 1, NULL, 0),
554         SND_SOC_DAPM_SUPPLY("VREF", RT298_POWER_CTRL1,
555                 0, 1, NULL, 0),
556         SND_SOC_DAPM_SUPPLY_S("BG_MBIAS", 1, RT298_POWER_CTRL2,
557                 1, 0, NULL, 0),
558         SND_SOC_DAPM_SUPPLY_S("LDO1", 1, RT298_POWER_CTRL2,
559                 2, 0, NULL, 0),
560         SND_SOC_DAPM_SUPPLY_S("LDO2", 1, RT298_POWER_CTRL2,
561                 3, 0, NULL, 0),
562         SND_SOC_DAPM_SUPPLY_S("VREF1", 1, RT298_POWER_CTRL2,
563                 4, 1, NULL, 0),
564         SND_SOC_DAPM_SUPPLY_S("LV", 2, RT298_POWER_CTRL1,
565                 13, 1, NULL, 0),
566
567
568         SND_SOC_DAPM_SUPPLY("MCLK MODE", RT298_PLL_CTRL1,
569                 5, 0, NULL, 0),
570         SND_SOC_DAPM_SUPPLY("MIC1 Input Buffer", SND_SOC_NOPM,
571                 0, 0, rt298_mic1_event, SND_SOC_DAPM_PRE_PMU |
572                 SND_SOC_DAPM_POST_PMD),
573
574         /* Input Lines */
575         SND_SOC_DAPM_INPUT("DMIC1 Pin"),
576         SND_SOC_DAPM_INPUT("DMIC2 Pin"),
577         SND_SOC_DAPM_INPUT("MIC1"),
578         SND_SOC_DAPM_INPUT("LINE1"),
579         SND_SOC_DAPM_INPUT("Beep"),
580
581         /* DMIC */
582         SND_SOC_DAPM_PGA_E("DMIC1", RT298_SET_POWER(RT298_DMIC1), 0, 1,
583                 NULL, 0, rt298_set_dmic1_event,
584                 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
585         SND_SOC_DAPM_PGA("DMIC2", RT298_SET_POWER(RT298_DMIC2), 0, 1,
586                 NULL, 0),
587         SND_SOC_DAPM_SUPPLY("DMIC Receiver", SND_SOC_NOPM,
588                 0, 0, NULL, 0),
589
590         /* REC Mixer */
591         SND_SOC_DAPM_MIXER("RECMIX", SND_SOC_NOPM, 0, 0,
592                 rt298_rec_mix, ARRAY_SIZE(rt298_rec_mix)),
593
594         /* ADCs */
595         SND_SOC_DAPM_ADC("ADC 0", NULL, SND_SOC_NOPM, 0, 0),
596         SND_SOC_DAPM_ADC("ADC 1", NULL, SND_SOC_NOPM, 0, 0),
597
598         /* ADC Mux */
599         SND_SOC_DAPM_MUX_E("ADC 0 Mux", RT298_SET_POWER(RT298_ADC_IN1), 0, 1,
600                 &rt298_adc0_mux, rt298_adc_event, SND_SOC_DAPM_PRE_PMD |
601                 SND_SOC_DAPM_POST_PMU),
602         SND_SOC_DAPM_MUX_E("ADC 1 Mux", RT298_SET_POWER(RT298_ADC_IN2), 0, 1,
603                 &rt298_adc1_mux, rt298_adc_event, SND_SOC_DAPM_PRE_PMD |
604                 SND_SOC_DAPM_POST_PMU),
605
606         /* Audio Interface */
607         SND_SOC_DAPM_AIF_IN("AIF1RX", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
608         SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
609         SND_SOC_DAPM_AIF_IN("AIF2RX", "AIF2 Playback", 0, SND_SOC_NOPM, 0, 0),
610         SND_SOC_DAPM_AIF_OUT("AIF2TX", "AIF2 Capture", 0, SND_SOC_NOPM, 0, 0),
611
612         /* Output Side */
613         /* DACs */
614         SND_SOC_DAPM_DAC("DAC 0", NULL, SND_SOC_NOPM, 0, 0),
615         SND_SOC_DAPM_DAC("DAC 1", NULL, SND_SOC_NOPM, 0, 0),
616
617         /* Output Mux */
618         SND_SOC_DAPM_MUX("SPK Mux", SND_SOC_NOPM, 0, 0, &rt298_spo_mux),
619         SND_SOC_DAPM_MUX("HPO Mux", SND_SOC_NOPM, 0, 0, &rt298_hpo_mux),
620
621         SND_SOC_DAPM_SUPPLY("HP Power", RT298_SET_PIN_HPO,
622                 RT298_SET_PIN_SFT, 0, NULL, 0),
623
624         /* Output Mixer */
625         SND_SOC_DAPM_MIXER("Front", RT298_SET_POWER(RT298_DAC_OUT1), 0, 1,
626                         rt298_front_mix, ARRAY_SIZE(rt298_front_mix)),
627         SND_SOC_DAPM_PGA("Surround", RT298_SET_POWER(RT298_DAC_OUT2), 0, 1,
628                         NULL, 0),
629
630         /* Output Pga */
631         SND_SOC_DAPM_SWITCH_E("SPO", SND_SOC_NOPM, 0, 0,
632                 &spo_enable_control, rt298_spk_event,
633                 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
634         SND_SOC_DAPM_SWITCH("HPO L", SND_SOC_NOPM, 0, 0,
635                 &hpol_enable_control),
636         SND_SOC_DAPM_SWITCH("HPO R", SND_SOC_NOPM, 0, 0,
637                 &hpor_enable_control),
638
639         /* Output Lines */
640         SND_SOC_DAPM_OUTPUT("SPOL"),
641         SND_SOC_DAPM_OUTPUT("SPOR"),
642         SND_SOC_DAPM_OUTPUT("HPO Pin"),
643         SND_SOC_DAPM_OUTPUT("SPDIF"),
644 };
645
646 static const struct snd_soc_dapm_route rt298_dapm_routes[] = {
647
648         {"ADC 0", NULL, "MCLK MODE", is_mclk_mode},
649         {"ADC 1", NULL, "MCLK MODE", is_mclk_mode},
650         {"Front", NULL, "MCLK MODE", is_mclk_mode},
651         {"Surround", NULL, "MCLK MODE", is_mclk_mode},
652
653         {"HP Power", NULL, "LDO1"},
654         {"HP Power", NULL, "LDO2"},
655         {"HP Power", NULL, "LV"},
656         {"HP Power", NULL, "VREF1"},
657         {"HP Power", NULL, "BG_MBIAS"},
658
659         {"MIC1", NULL, "LDO1"},
660         {"MIC1", NULL, "LDO2"},
661         {"MIC1", NULL, "HV"},
662         {"MIC1", NULL, "LV"},
663         {"MIC1", NULL, "VREF"},
664         {"MIC1", NULL, "VREF1"},
665         {"MIC1", NULL, "BG_MBIAS"},
666         {"MIC1", NULL, "MIC1 Input Buffer"},
667
668         {"SPO", NULL, "LDO1"},
669         {"SPO", NULL, "LDO2"},
670         {"SPO", NULL, "HV"},
671         {"SPO", NULL, "LV"},
672         {"SPO", NULL, "VREF"},
673         {"SPO", NULL, "VREF1"},
674         {"SPO", NULL, "BG_MBIAS"},
675
676         {"DMIC1", NULL, "DMIC1 Pin"},
677         {"DMIC2", NULL, "DMIC2 Pin"},
678         {"DMIC1", NULL, "DMIC Receiver"},
679         {"DMIC2", NULL, "DMIC Receiver"},
680
681         {"RECMIX", "Beep Switch", "Beep"},
682         {"RECMIX", "Line1 Switch", "LINE1"},
683         {"RECMIX", "Mic1 Switch", "MIC1"},
684
685         {"ADC 0 Mux", "Dmic", "DMIC1"},
686         {"ADC 0 Mux", "RECMIX", "RECMIX"},
687         {"ADC 0 Mux", "Mic", "MIC1"},
688         {"ADC 1 Mux", "Dmic", "DMIC2"},
689         {"ADC 1 Mux", "RECMIX", "RECMIX"},
690         {"ADC 1 Mux", "Mic", "MIC1"},
691
692         {"ADC 0", NULL, "ADC 0 Mux"},
693         {"ADC 1", NULL, "ADC 1 Mux"},
694
695         {"AIF1TX", NULL, "ADC 0"},
696         {"AIF2TX", NULL, "ADC 1"},
697
698         {"DAC 0", NULL, "AIF1RX"},
699         {"DAC 1", NULL, "AIF2RX"},
700
701         {"Front", "DAC Switch", "DAC 0"},
702         {"Front", "RECMIX Switch", "RECMIX"},
703
704         {"Surround", NULL, "DAC 1"},
705
706         {"SPK Mux", "Front", "Front"},
707         {"SPK Mux", "Surround", "Surround"},
708
709         {"HPO Mux", "Front", "Front"},
710         {"HPO Mux", "Surround", "Surround"},
711
712         {"SPO", "Switch", "SPK Mux"},
713         {"HPO L", "Switch", "HPO Mux"},
714         {"HPO R", "Switch", "HPO Mux"},
715         {"HPO L", NULL, "HP Power"},
716         {"HPO R", NULL, "HP Power"},
717
718         {"SPOL", NULL, "SPO"},
719         {"SPOR", NULL, "SPO"},
720         {"HPO Pin", NULL, "HPO L"},
721         {"HPO Pin", NULL, "HPO R"},
722 };
723
724 static int rt298_hw_params(struct snd_pcm_substream *substream,
725                             struct snd_pcm_hw_params *params,
726                             struct snd_soc_dai *dai)
727 {
728         struct snd_soc_codec *codec = dai->codec;
729         struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
730         unsigned int val = 0;
731         int d_len_code;
732
733         switch (params_rate(params)) {
734         /* bit 14 0:48K 1:44.1K */
735         case 44100:
736         case 48000:
737                 break;
738         default:
739                 dev_err(codec->dev, "Unsupported sample rate %d\n",
740                                         params_rate(params));
741                 return -EINVAL;
742         }
743         switch (rt298->sys_clk) {
744         case 12288000:
745         case 24576000:
746                 if (params_rate(params) != 48000) {
747                         dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n",
748                                         params_rate(params), rt298->sys_clk);
749                         return -EINVAL;
750                 }
751                 break;
752         case 11289600:
753         case 22579200:
754                 if (params_rate(params) != 44100) {
755                         dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n",
756                                         params_rate(params), rt298->sys_clk);
757                         return -EINVAL;
758                 }
759                 break;
760         }
761
762         if (params_channels(params) <= 16) {
763                 /* bit 3:0 Number of Channel */
764                 val |= (params_channels(params) - 1);
765         } else {
766                 dev_err(codec->dev, "Unsupported channels %d\n",
767                                         params_channels(params));
768                 return -EINVAL;
769         }
770
771         d_len_code = 0;
772         switch (params_width(params)) {
773         /* bit 6:4 Bits per Sample */
774         case 16:
775                 d_len_code = 0;
776                 val |= (0x1 << 4);
777                 break;
778         case 32:
779                 d_len_code = 2;
780                 val |= (0x4 << 4);
781                 break;
782         case 20:
783                 d_len_code = 1;
784                 val |= (0x2 << 4);
785                 break;
786         case 24:
787                 d_len_code = 2;
788                 val |= (0x3 << 4);
789                 break;
790         case 8:
791                 d_len_code = 3;
792                 break;
793         default:
794                 return -EINVAL;
795         }
796
797         snd_soc_update_bits(codec,
798                 RT298_I2S_CTRL1, 0x0018, d_len_code << 3);
799         dev_dbg(codec->dev, "format val = 0x%x\n", val);
800
801         snd_soc_update_bits(codec, RT298_DAC_FORMAT, 0x407f, val);
802         snd_soc_update_bits(codec, RT298_ADC_FORMAT, 0x407f, val);
803
804         return 0;
805 }
806
807 static int rt298_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
808 {
809         struct snd_soc_codec *codec = dai->codec;
810
811         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
812         case SND_SOC_DAIFMT_CBM_CFM:
813                 snd_soc_update_bits(codec,
814                         RT298_I2S_CTRL1, 0x800, 0x800);
815                 break;
816         case SND_SOC_DAIFMT_CBS_CFS:
817                 snd_soc_update_bits(codec,
818                         RT298_I2S_CTRL1, 0x800, 0x0);
819                 break;
820         default:
821                 return -EINVAL;
822         }
823
824         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
825         case SND_SOC_DAIFMT_I2S:
826                 snd_soc_update_bits(codec,
827                         RT298_I2S_CTRL1, 0x300, 0x0);
828                 break;
829         case SND_SOC_DAIFMT_LEFT_J:
830                 snd_soc_update_bits(codec,
831                         RT298_I2S_CTRL1, 0x300, 0x1 << 8);
832                 break;
833         case SND_SOC_DAIFMT_DSP_A:
834                 snd_soc_update_bits(codec,
835                         RT298_I2S_CTRL1, 0x300, 0x2 << 8);
836                 break;
837         case SND_SOC_DAIFMT_DSP_B:
838                 snd_soc_update_bits(codec,
839                         RT298_I2S_CTRL1, 0x300, 0x3 << 8);
840                 break;
841         default:
842                 return -EINVAL;
843         }
844         /* bit 15 Stream Type 0:PCM 1:Non-PCM */
845         snd_soc_update_bits(codec, RT298_DAC_FORMAT, 0x8000, 0);
846         snd_soc_update_bits(codec, RT298_ADC_FORMAT, 0x8000, 0);
847
848         return 0;
849 }
850
851 static int rt298_set_dai_sysclk(struct snd_soc_dai *dai,
852                                 int clk_id, unsigned int freq, int dir)
853 {
854         struct snd_soc_codec *codec = dai->codec;
855         struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
856
857         dev_dbg(codec->dev, "%s freq=%d\n", __func__, freq);
858
859         if (RT298_SCLK_S_MCLK == clk_id) {
860                 snd_soc_update_bits(codec,
861                         RT298_I2S_CTRL2, 0x0100, 0x0);
862                 snd_soc_update_bits(codec,
863                         RT298_PLL_CTRL1, 0x20, 0x20);
864         } else {
865                 snd_soc_update_bits(codec,
866                         RT298_I2S_CTRL2, 0x0100, 0x0100);
867                 snd_soc_update_bits(codec,
868                         RT298_PLL_CTRL1, 0x20, 0x0);
869         }
870
871         switch (freq) {
872         case 19200000:
873                 if (RT298_SCLK_S_MCLK == clk_id) {
874                         dev_err(codec->dev, "Should not use MCLK\n");
875                         return -EINVAL;
876                 }
877                 snd_soc_update_bits(codec,
878                         RT298_I2S_CTRL2, 0x40, 0x40);
879                 break;
880         case 24000000:
881                 if (RT298_SCLK_S_MCLK == clk_id) {
882                         dev_err(codec->dev, "Should not use MCLK\n");
883                         return -EINVAL;
884                 }
885                 snd_soc_update_bits(codec,
886                         RT298_I2S_CTRL2, 0x40, 0x0);
887                 break;
888         case 12288000:
889         case 11289600:
890                 snd_soc_update_bits(codec,
891                         RT298_I2S_CTRL2, 0x8, 0x0);
892                 snd_soc_update_bits(codec,
893                         RT298_CLK_DIV, 0xfc1e, 0x0004);
894                 break;
895         case 24576000:
896         case 22579200:
897                 snd_soc_update_bits(codec,
898                         RT298_I2S_CTRL2, 0x8, 0x8);
899                 snd_soc_update_bits(codec,
900                         RT298_CLK_DIV, 0xfc1e, 0x5406);
901                 break;
902         default:
903                 dev_err(codec->dev, "Unsupported system clock\n");
904                 return -EINVAL;
905         }
906
907         rt298->sys_clk = freq;
908         rt298->clk_id = clk_id;
909
910         return 0;
911 }
912
913 static int rt298_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
914 {
915         struct snd_soc_codec *codec = dai->codec;
916
917         dev_dbg(codec->dev, "%s ratio=%d\n", __func__, ratio);
918         if (50 == ratio)
919                 snd_soc_update_bits(codec,
920                         RT298_I2S_CTRL1, 0x1000, 0x1000);
921         else
922                 snd_soc_update_bits(codec,
923                         RT298_I2S_CTRL1, 0x1000, 0x0);
924
925
926         return 0;
927 }
928
929 static int rt298_set_bias_level(struct snd_soc_codec *codec,
930                                  enum snd_soc_bias_level level)
931 {
932         switch (level) {
933         case SND_SOC_BIAS_PREPARE:
934                 if (SND_SOC_BIAS_STANDBY ==
935                         snd_soc_codec_get_bias_level(codec)) {
936                         snd_soc_write(codec,
937                                 RT298_SET_AUDIO_POWER, AC_PWRST_D0);
938                         snd_soc_update_bits(codec, 0x0d, 0x200, 0x200);
939                         snd_soc_update_bits(codec, 0x52, 0x80, 0x0);
940                         mdelay(20);
941                         snd_soc_update_bits(codec, 0x0d, 0x200, 0x0);
942                         snd_soc_update_bits(codec, 0x52, 0x80, 0x80);
943                 }
944                 break;
945
946         case SND_SOC_BIAS_STANDBY:
947                 snd_soc_write(codec,
948                         RT298_SET_AUDIO_POWER, AC_PWRST_D3);
949                 break;
950
951         default:
952                 break;
953         }
954
955         return 0;
956 }
957
958 static irqreturn_t rt298_irq(int irq, void *data)
959 {
960         struct rt298_priv *rt298 = data;
961         bool hp = false;
962         bool mic = false;
963         int ret, status = 0;
964
965         ret = rt298_jack_detect(rt298, &hp, &mic);
966
967         /* Clear IRQ */
968         regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x1, 0x1);
969
970         if (ret == 0) {
971                 if (hp == true)
972                         status |= SND_JACK_HEADPHONE;
973
974                 if (mic == true)
975                         status |= SND_JACK_MICROPHONE;
976
977                 snd_soc_jack_report(rt298->jack, status,
978                         SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
979
980                 pm_wakeup_event(&rt298->i2c->dev, 300);
981         }
982
983         return IRQ_HANDLED;
984 }
985
986 static int rt298_probe(struct snd_soc_codec *codec)
987 {
988         struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
989
990         rt298->codec = codec;
991
992         if (rt298->i2c->irq) {
993                 regmap_update_bits(rt298->regmap,
994                                         RT298_IRQ_CTRL, 0x2, 0x2);
995
996                 INIT_DELAYED_WORK(&rt298->jack_detect_work,
997                                         rt298_jack_detect_work);
998                 schedule_delayed_work(&rt298->jack_detect_work,
999                                         msecs_to_jiffies(1250));
1000         }
1001
1002         return 0;
1003 }
1004
1005 static int rt298_remove(struct snd_soc_codec *codec)
1006 {
1007         struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
1008
1009         cancel_delayed_work_sync(&rt298->jack_detect_work);
1010
1011         return 0;
1012 }
1013
1014 #ifdef CONFIG_PM
1015 static int rt298_suspend(struct snd_soc_codec *codec)
1016 {
1017         struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
1018
1019         rt298->is_hp_in = -1;
1020         regcache_cache_only(rt298->regmap, true);
1021         regcache_mark_dirty(rt298->regmap);
1022
1023         return 0;
1024 }
1025
1026 static int rt298_resume(struct snd_soc_codec *codec)
1027 {
1028         struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
1029
1030         regcache_cache_only(rt298->regmap, false);
1031         rt298_index_sync(codec);
1032         regcache_sync(rt298->regmap);
1033
1034         return 0;
1035 }
1036 #else
1037 #define rt298_suspend NULL
1038 #define rt298_resume NULL
1039 #endif
1040
1041 #define RT298_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
1042 #define RT298_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1043                         SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
1044
1045 static const struct snd_soc_dai_ops rt298_aif_dai_ops = {
1046         .hw_params = rt298_hw_params,
1047         .set_fmt = rt298_set_dai_fmt,
1048         .set_sysclk = rt298_set_dai_sysclk,
1049         .set_bclk_ratio = rt298_set_bclk_ratio,
1050 };
1051
1052 static struct snd_soc_dai_driver rt298_dai[] = {
1053         {
1054                 .name = "rt298-aif1",
1055                 .id = RT298_AIF1,
1056                 .playback = {
1057                         .stream_name = "AIF1 Playback",
1058                         .channels_min = 1,
1059                         .channels_max = 2,
1060                         .rates = RT298_STEREO_RATES,
1061                         .formats = RT298_FORMATS,
1062                 },
1063                 .capture = {
1064                         .stream_name = "AIF1 Capture",
1065                         .channels_min = 1,
1066                         .channels_max = 2,
1067                         .rates = RT298_STEREO_RATES,
1068                         .formats = RT298_FORMATS,
1069                 },
1070                 .ops = &rt298_aif_dai_ops,
1071                 .symmetric_rates = 1,
1072         },
1073         {
1074                 .name = "rt298-aif2",
1075                 .id = RT298_AIF2,
1076                 .playback = {
1077                         .stream_name = "AIF2 Playback",
1078                         .channels_min = 1,
1079                         .channels_max = 2,
1080                         .rates = RT298_STEREO_RATES,
1081                         .formats = RT298_FORMATS,
1082                 },
1083                 .capture = {
1084                         .stream_name = "AIF2 Capture",
1085                         .channels_min = 1,
1086                         .channels_max = 2,
1087                         .rates = RT298_STEREO_RATES,
1088                         .formats = RT298_FORMATS,
1089                 },
1090                 .ops = &rt298_aif_dai_ops,
1091                 .symmetric_rates = 1,
1092         },
1093
1094 };
1095
1096 static struct snd_soc_codec_driver soc_codec_dev_rt298 = {
1097         .probe = rt298_probe,
1098         .remove = rt298_remove,
1099         .suspend = rt298_suspend,
1100         .resume = rt298_resume,
1101         .set_bias_level = rt298_set_bias_level,
1102         .idle_bias_off = true,
1103         .component_driver = {
1104                 .controls               = rt298_snd_controls,
1105                 .num_controls           = ARRAY_SIZE(rt298_snd_controls),
1106                 .dapm_widgets           = rt298_dapm_widgets,
1107                 .num_dapm_widgets       = ARRAY_SIZE(rt298_dapm_widgets),
1108                 .dapm_routes            = rt298_dapm_routes,
1109                 .num_dapm_routes        = ARRAY_SIZE(rt298_dapm_routes),
1110         },
1111 };
1112
1113 static const struct regmap_config rt298_regmap = {
1114         .reg_bits = 32,
1115         .val_bits = 32,
1116         .max_register = 0x02370100,
1117         .volatile_reg = rt298_volatile_register,
1118         .readable_reg = rt298_readable_register,
1119         .reg_write = rl6347a_hw_write,
1120         .reg_read = rl6347a_hw_read,
1121         .cache_type = REGCACHE_RBTREE,
1122         .reg_defaults = rt298_reg,
1123         .num_reg_defaults = ARRAY_SIZE(rt298_reg),
1124 };
1125
1126 static const struct i2c_device_id rt298_i2c_id[] = {
1127         {"rt298", 0},
1128         {}
1129 };
1130 MODULE_DEVICE_TABLE(i2c, rt298_i2c_id);
1131
1132 static const struct acpi_device_id rt298_acpi_match[] = {
1133         { "INT343A", 0 },
1134         {},
1135 };
1136 MODULE_DEVICE_TABLE(acpi, rt298_acpi_match);
1137
1138 static const struct dmi_system_id force_combo_jack_table[] = {
1139         {
1140                 .ident = "Intel Broxton P",
1141                 .matches = {
1142                         DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp"),
1143                         DMI_MATCH(DMI_PRODUCT_NAME, "Broxton P")
1144                 }
1145         },
1146         { }
1147 };
1148
1149 static int rt298_i2c_probe(struct i2c_client *i2c,
1150                            const struct i2c_device_id *id)
1151 {
1152         struct rt298_platform_data *pdata = dev_get_platdata(&i2c->dev);
1153         struct rt298_priv *rt298;
1154         struct device *dev = &i2c->dev;
1155         const struct acpi_device_id *acpiid;
1156         int i, ret;
1157
1158         rt298 = devm_kzalloc(&i2c->dev, sizeof(*rt298),
1159                                 GFP_KERNEL);
1160         if (NULL == rt298)
1161                 return -ENOMEM;
1162
1163         rt298->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt298_regmap);
1164         if (IS_ERR(rt298->regmap)) {
1165                 ret = PTR_ERR(rt298->regmap);
1166                 dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1167                         ret);
1168                 return ret;
1169         }
1170
1171         regmap_read(rt298->regmap,
1172                 RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID), &ret);
1173         if (ret != RT298_VENDOR_ID) {
1174                 dev_err(&i2c->dev,
1175                         "Device with ID register %#x is not rt298\n", ret);
1176                 return -ENODEV;
1177         }
1178
1179         rt298->index_cache = devm_kmemdup(&i2c->dev, rt298_index_def,
1180                                           sizeof(rt298_index_def), GFP_KERNEL);
1181         if (!rt298->index_cache)
1182                 return -ENOMEM;
1183
1184         rt298->index_cache_size = INDEX_CACHE_SIZE;
1185         rt298->i2c = i2c;
1186         i2c_set_clientdata(i2c, rt298);
1187
1188         /* restore codec default */
1189         for (i = 0; i < INDEX_CACHE_SIZE; i++)
1190                 regmap_write(rt298->regmap, rt298->index_cache[i].reg,
1191                                 rt298->index_cache[i].def);
1192         for (i = 0; i < ARRAY_SIZE(rt298_reg); i++)
1193                 regmap_write(rt298->regmap, rt298_reg[i].reg,
1194                                 rt298_reg[i].def);
1195
1196         if (pdata)
1197                 rt298->pdata = *pdata;
1198
1199         /* enable jack combo mode on supported devices */
1200         acpiid = acpi_match_device(dev->driver->acpi_match_table, dev);
1201         if (acpiid && acpiid->driver_data) {
1202                 rt298->pdata = *(struct rt298_platform_data *)
1203                                 acpiid->driver_data;
1204         }
1205
1206         if (dmi_check_system(force_combo_jack_table)) {
1207                 rt298->pdata.cbj_en = true;
1208                 rt298->pdata.gpio2_en = false;
1209         }
1210
1211         /* VREF Charging */
1212         regmap_update_bits(rt298->regmap, 0x04, 0x80, 0x80);
1213         regmap_update_bits(rt298->regmap, 0x1b, 0x860, 0x860);
1214         /* Vref2 */
1215         regmap_update_bits(rt298->regmap, 0x08, 0x20, 0x20);
1216
1217         regmap_write(rt298->regmap, RT298_SET_AUDIO_POWER, AC_PWRST_D3);
1218
1219         for (i = 0; i < RT298_POWER_REG_LEN; i++)
1220                 regmap_write(rt298->regmap,
1221                         RT298_SET_POWER(rt298_support_power_controls[i]),
1222                         AC_PWRST_D1);
1223
1224         if (!rt298->pdata.cbj_en) {
1225                 regmap_write(rt298->regmap, RT298_CBJ_CTRL2, 0x0000);
1226                 regmap_write(rt298->regmap, RT298_MIC1_DET_CTRL, 0x0816);
1227                 regmap_update_bits(rt298->regmap,
1228                                         RT298_CBJ_CTRL1, 0xf000, 0xb000);
1229         } else {
1230                 regmap_update_bits(rt298->regmap,
1231                                         RT298_CBJ_CTRL1, 0xf000, 0x5000);
1232         }
1233
1234         mdelay(10);
1235
1236         if (!rt298->pdata.gpio2_en)
1237                 regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0x40);
1238         else
1239                 regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0);
1240
1241         mdelay(10);
1242
1243         regmap_write(rt298->regmap, RT298_MISC_CTRL1, 0x0000);
1244         regmap_update_bits(rt298->regmap,
1245                                 RT298_WIND_FILTER_CTRL, 0x0082, 0x0082);
1246
1247         regmap_write(rt298->regmap, RT298_UNSOLICITED_INLINE_CMD, 0x81);
1248         regmap_write(rt298->regmap, RT298_UNSOLICITED_HP_OUT, 0x82);
1249         regmap_write(rt298->regmap, RT298_UNSOLICITED_MIC1, 0x84);
1250         regmap_update_bits(rt298->regmap, RT298_IRQ_FLAG_CTRL, 0x2, 0x2);
1251
1252         rt298->is_hp_in = -1;
1253
1254         if (rt298->i2c->irq) {
1255                 ret = request_threaded_irq(rt298->i2c->irq, NULL, rt298_irq,
1256                         IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "rt298", rt298);
1257                 if (ret != 0) {
1258                         dev_err(&i2c->dev,
1259                                 "Failed to reguest IRQ: %d\n", ret);
1260                         return ret;
1261                 }
1262         }
1263
1264         ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt298,
1265                                      rt298_dai, ARRAY_SIZE(rt298_dai));
1266
1267         return ret;
1268 }
1269
1270 static int rt298_i2c_remove(struct i2c_client *i2c)
1271 {
1272         struct rt298_priv *rt298 = i2c_get_clientdata(i2c);
1273
1274         if (i2c->irq)
1275                 free_irq(i2c->irq, rt298);
1276         snd_soc_unregister_codec(&i2c->dev);
1277
1278         return 0;
1279 }
1280
1281
1282 static struct i2c_driver rt298_i2c_driver = {
1283         .driver = {
1284                    .name = "rt298",
1285                    .acpi_match_table = ACPI_PTR(rt298_acpi_match),
1286                    },
1287         .probe = rt298_i2c_probe,
1288         .remove = rt298_i2c_remove,
1289         .id_table = rt298_i2c_id,
1290 };
1291
1292 module_i2c_driver(rt298_i2c_driver);
1293
1294 MODULE_DESCRIPTION("ASoC RT298 driver");
1295 MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>");
1296 MODULE_LICENSE("GPL");