pvrusb2: reduce stack usage pvr2_eeprom_analyze()
[linux/fpc-iii.git] / sound / soc / codecs / rt298.c
blob2db8179047ae89b4d2b297e5588bd8e77b3ab235
1 /*
2 * rt298.c -- RT298 ALSA SoC audio codec driver
4 * Copyright 2015 Realtek Semiconductor Corp.
5 * Author: Bard Liao <bardliao@realtek.com>
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.
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>
33 #include "rl6347a.h"
34 #include "rt298.h"
36 #define RT298_VENDOR_ID 0x10ec0298
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;
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 },
75 #define INDEX_CACHE_SIZE ARRAY_SIZE(rt298_index_def)
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 },
119 static bool rt298_volatile_register(struct device *dev, unsigned int reg)
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;
138 static bool rt298_readable_register(struct device *dev, unsigned int reg)
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;
196 #ifdef CONFIG_PM
197 static void rt298_index_sync(struct snd_soc_codec *codec)
199 struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
200 int i;
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);
207 #endif
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,
220 #define RT298_POWER_REG_LEN ARRAY_SIZE(rt298_support_power_controls)
222 static int rt298_jack_detect(struct rt298_priv *rt298, bool *hp, bool *mic)
224 struct snd_soc_dapm_context *dapm;
225 unsigned int val, buf;
227 *hp = false;
228 *mic = false;
230 if (!rt298->codec)
231 return -EINVAL;
233 dapm = snd_soc_codec_get_dapm(rt298->codec);
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);
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);
252 regmap_update_bits(rt298->regmap,
253 RT298_POWER_CTRL1, 0x1001, 0);
254 regmap_update_bits(rt298->regmap,
255 RT298_POWER_CTRL2, 0x4, 0x4);
257 regmap_write(rt298->regmap, RT298_SET_MIC1, 0x24);
258 msleep(50);
260 regmap_update_bits(rt298->regmap,
261 RT298_CBJ_CTRL1, 0xfcc0, 0xd400);
262 msleep(300);
263 regmap_read(rt298->regmap, RT298_CBJ_CTRL2, &val);
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;
278 regmap_update_bits(rt298->regmap,
279 RT298_DC_GAIN, 0x200, 0x0);
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);
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;
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);
300 pr_debug("*hp = %d *mic = %d\n", *hp, *mic);
302 return 0;
305 static void rt298_jack_detect_work(struct work_struct *work)
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;
313 if (rt298_jack_detect(rt298, &hp, &mic) < 0)
314 return;
316 if (hp == true)
317 status |= SND_JACK_HEADPHONE;
319 if (mic == true)
320 status |= SND_JACK_MICROPHONE;
322 snd_soc_jack_report(rt298->jack, status,
323 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
326 int rt298_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack)
328 struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
330 rt298->jack = jack;
332 /* Send an initial empty report */
333 snd_soc_jack_report(rt298->jack, 0,
334 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
336 return 0;
338 EXPORT_SYMBOL_GPL(rt298_mic_detect);
340 static int is_mclk_mode(struct snd_soc_dapm_widget *source,
341 struct snd_soc_dapm_widget *sink)
343 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
344 struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
346 if (rt298->clk_id == RT298_SCLK_S_MCLK)
347 return 1;
348 else
349 return 0;
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);
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),
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),
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),
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);
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);
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);
398 /* ADC0 source */
399 static const char * const rt298_adc_src[] = {
400 "Mic", "RECMIX", "Dmic"
403 static const int rt298_adc_values[] = {
404 0, 4, 5,
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);
411 static const struct snd_kcontrol_new rt298_adc0_mux =
412 SOC_DAPM_ENUM("ADC 0 source", rt298_adc0_enum);
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);
418 static const struct snd_kcontrol_new rt298_adc1_mux =
419 SOC_DAPM_ENUM("ADC 1 source", rt298_adc1_enum);
421 static const char * const rt298_dac_src[] = {
422 "Front", "Surround"
424 /* HP-OUT source */
425 static SOC_ENUM_SINGLE_DECL(rt298_hpo_enum, RT298_HPO_MUX,
426 0, rt298_dac_src);
428 static const struct snd_kcontrol_new rt298_hpo_mux =
429 SOC_DAPM_ENUM("HPO source", rt298_hpo_enum);
431 /* SPK-OUT source */
432 static SOC_ENUM_SINGLE_DECL(rt298_spo_enum, RT298_SPK_MUX,
433 0, rt298_dac_src);
435 static const struct snd_kcontrol_new rt298_spo_mux =
436 SOC_DAPM_ENUM("SPO source", rt298_spo_enum);
438 static int rt298_spk_event(struct snd_soc_dapm_widget *w,
439 struct snd_kcontrol *kcontrol, int event)
441 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
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;
453 default:
454 return 0;
457 return 0;
460 static int rt298_set_dmic1_event(struct snd_soc_dapm_widget *w,
461 struct snd_kcontrol *kcontrol, int event)
463 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
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;
476 return 0;
479 static int rt298_adc_event(struct snd_soc_dapm_widget *w,
480 struct snd_kcontrol *kcontrol, int event)
482 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
483 unsigned int nid;
485 nid = (w->reg >> 20) & 0xff;
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;
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;
522 return 0;
525 static int rt298_mic1_event(struct snd_soc_dapm_widget *w,
526 struct snd_kcontrol *kcontrol, int event)
528 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
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;
547 return 0;
550 static const struct snd_soc_dapm_widget rt298_dapm_widgets[] = {
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),
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),
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"),
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),
590 /* REC Mixer */
591 SND_SOC_DAPM_MIXER("RECMIX", SND_SOC_NOPM, 0, 0,
592 rt298_rec_mix, ARRAY_SIZE(rt298_rec_mix)),
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),
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),
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),
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),
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),
621 SND_SOC_DAPM_SUPPLY("HP Power", RT298_SET_PIN_HPO,
622 RT298_SET_PIN_SFT, 0, NULL, 0),
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),
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),
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"),
646 static const struct snd_soc_dapm_route rt298_dapm_routes[] = {
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},
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"},
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"},
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"},
676 {"DMIC1", NULL, "DMIC1 Pin"},
677 {"DMIC2", NULL, "DMIC2 Pin"},
678 {"DMIC1", NULL, "DMIC Receiver"},
679 {"DMIC2", NULL, "DMIC Receiver"},
681 {"RECMIX", "Beep Switch", "Beep"},
682 {"RECMIX", "Line1 Switch", "LINE1"},
683 {"RECMIX", "Mic1 Switch", "MIC1"},
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"},
692 {"ADC 0", NULL, "ADC 0 Mux"},
693 {"ADC 1", NULL, "ADC 1 Mux"},
695 {"AIF1TX", NULL, "ADC 0"},
696 {"AIF2TX", NULL, "ADC 1"},
698 {"DAC 0", NULL, "AIF1RX"},
699 {"DAC 1", NULL, "AIF2RX"},
701 {"Front", "DAC Switch", "DAC 0"},
702 {"Front", "RECMIX Switch", "RECMIX"},
704 {"Surround", NULL, "DAC 1"},
706 {"SPK Mux", "Front", "Front"},
707 {"SPK Mux", "Surround", "Surround"},
709 {"HPO Mux", "Front", "Front"},
710 {"HPO Mux", "Surround", "Surround"},
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"},
718 {"SPOL", NULL, "SPO"},
719 {"SPOR", NULL, "SPO"},
720 {"HPO Pin", NULL, "HPO L"},
721 {"HPO Pin", NULL, "HPO R"},
724 static int rt298_hw_params(struct snd_pcm_substream *substream,
725 struct snd_pcm_hw_params *params,
726 struct snd_soc_dai *dai)
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;
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;
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;
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;
759 break;
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;
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;
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);
801 snd_soc_update_bits(codec, RT298_DAC_FORMAT, 0x407f, val);
802 snd_soc_update_bits(codec, RT298_ADC_FORMAT, 0x407f, val);
804 return 0;
807 static int rt298_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
809 struct snd_soc_codec *codec = dai->codec;
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;
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;
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);
848 return 0;
851 static int rt298_set_dai_sysclk(struct snd_soc_dai *dai,
852 int clk_id, unsigned int freq, int dir)
854 struct snd_soc_codec *codec = dai->codec;
855 struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
857 dev_dbg(codec->dev, "%s freq=%d\n", __func__, freq);
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);
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;
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;
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;
907 rt298->sys_clk = freq;
908 rt298->clk_id = clk_id;
910 return 0;
913 static int rt298_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
915 struct snd_soc_codec *codec = dai->codec;
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);
926 return 0;
929 static int rt298_set_bias_level(struct snd_soc_codec *codec,
930 enum snd_soc_bias_level level)
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);
944 break;
946 case SND_SOC_BIAS_STANDBY:
947 snd_soc_write(codec,
948 RT298_SET_AUDIO_POWER, AC_PWRST_D3);
949 break;
951 default:
952 break;
955 return 0;
958 static irqreturn_t rt298_irq(int irq, void *data)
960 struct rt298_priv *rt298 = data;
961 bool hp = false;
962 bool mic = false;
963 int ret, status = 0;
965 ret = rt298_jack_detect(rt298, &hp, &mic);
967 /* Clear IRQ */
968 regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x1, 0x1);
970 if (ret == 0) {
971 if (hp == true)
972 status |= SND_JACK_HEADPHONE;
974 if (mic == true)
975 status |= SND_JACK_MICROPHONE;
977 snd_soc_jack_report(rt298->jack, status,
978 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
980 pm_wakeup_event(&rt298->i2c->dev, 300);
983 return IRQ_HANDLED;
986 static int rt298_probe(struct snd_soc_codec *codec)
988 struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
990 rt298->codec = codec;
992 if (rt298->i2c->irq) {
993 regmap_update_bits(rt298->regmap,
994 RT298_IRQ_CTRL, 0x2, 0x2);
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));
1002 return 0;
1005 static int rt298_remove(struct snd_soc_codec *codec)
1007 struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
1009 cancel_delayed_work_sync(&rt298->jack_detect_work);
1011 return 0;
1014 #ifdef CONFIG_PM
1015 static int rt298_suspend(struct snd_soc_codec *codec)
1017 struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
1019 rt298->is_hp_in = -1;
1020 regcache_cache_only(rt298->regmap, true);
1021 regcache_mark_dirty(rt298->regmap);
1023 return 0;
1026 static int rt298_resume(struct snd_soc_codec *codec)
1028 struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
1030 regcache_cache_only(rt298->regmap, false);
1031 rt298_index_sync(codec);
1032 regcache_sync(rt298->regmap);
1034 return 0;
1036 #else
1037 #define rt298_suspend NULL
1038 #define rt298_resume NULL
1039 #endif
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)
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,
1052 static struct snd_soc_dai_driver rt298_dai[] = {
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,
1063 .capture = {
1064 .stream_name = "AIF1 Capture",
1065 .channels_min = 1,
1066 .channels_max = 2,
1067 .rates = RT298_STEREO_RATES,
1068 .formats = RT298_FORMATS,
1070 .ops = &rt298_aif_dai_ops,
1071 .symmetric_rates = 1,
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,
1083 .capture = {
1084 .stream_name = "AIF2 Capture",
1085 .channels_min = 1,
1086 .channels_max = 2,
1087 .rates = RT298_STEREO_RATES,
1088 .formats = RT298_FORMATS,
1090 .ops = &rt298_aif_dai_ops,
1091 .symmetric_rates = 1,
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),
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),
1126 static const struct i2c_device_id rt298_i2c_id[] = {
1127 {"rt298", 0},
1130 MODULE_DEVICE_TABLE(i2c, rt298_i2c_id);
1132 static const struct acpi_device_id rt298_acpi_match[] = {
1133 { "INT343A", 0 },
1136 MODULE_DEVICE_TABLE(acpi, rt298_acpi_match);
1138 static const struct dmi_system_id force_combo_jack_table[] = {
1140 .ident = "Intel Broxton P",
1141 .matches = {
1142 DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp"),
1143 DMI_MATCH(DMI_PRODUCT_NAME, "Broxton P")
1149 static int rt298_i2c_probe(struct i2c_client *i2c,
1150 const struct i2c_device_id *id)
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;
1158 rt298 = devm_kzalloc(&i2c->dev, sizeof(*rt298),
1159 GFP_KERNEL);
1160 if (NULL == rt298)
1161 return -ENOMEM;
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;
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;
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;
1184 rt298->index_cache_size = INDEX_CACHE_SIZE;
1185 rt298->i2c = i2c;
1186 i2c_set_clientdata(i2c, rt298);
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);
1196 if (pdata)
1197 rt298->pdata = *pdata;
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;
1206 if (dmi_check_system(force_combo_jack_table)) {
1207 rt298->pdata.cbj_en = true;
1208 rt298->pdata.gpio2_en = false;
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);
1217 regmap_write(rt298->regmap, RT298_SET_AUDIO_POWER, AC_PWRST_D3);
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);
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);
1234 mdelay(10);
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);
1241 mdelay(10);
1243 regmap_write(rt298->regmap, RT298_MISC_CTRL1, 0x0000);
1244 regmap_update_bits(rt298->regmap,
1245 RT298_WIND_FILTER_CTRL, 0x0082, 0x0082);
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);
1252 rt298->is_hp_in = -1;
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;
1264 ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt298,
1265 rt298_dai, ARRAY_SIZE(rt298_dai));
1267 return ret;
1270 static int rt298_i2c_remove(struct i2c_client *i2c)
1272 struct rt298_priv *rt298 = i2c_get_clientdata(i2c);
1274 if (i2c->irq)
1275 free_irq(i2c->irq, rt298);
1276 snd_soc_unregister_codec(&i2c->dev);
1278 return 0;
1282 static struct i2c_driver rt298_i2c_driver = {
1283 .driver = {
1284 .name = "rt298",
1285 .acpi_match_table = ACPI_PTR(rt298_acpi_match),
1287 .probe = rt298_i2c_probe,
1288 .remove = rt298_i2c_remove,
1289 .id_table = rt298_i2c_id,
1292 module_i2c_driver(rt298_i2c_driver);
1294 MODULE_DESCRIPTION("ASoC RT298 driver");
1295 MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>");
1296 MODULE_LICENSE("GPL");