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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/rt298.h>
31
32#include "rl6347a.h"
33#include "rt298.h"
34
35#define RT298_VENDOR_ID 0x10ec0298
36
37struct rt298_priv {
38 struct reg_default *index_cache;
39 int index_cache_size;
40 struct regmap *regmap;
41 struct snd_soc_codec *codec;
42 struct rt298_platform_data pdata;
43 struct i2c_client *i2c;
44 struct snd_soc_jack *jack;
45 struct delayed_work jack_detect_work;
46 int sys_clk;
47 int clk_id;
48 int is_hp_in;
49};
50
51static const struct reg_default rt298_index_def[] = {
52 { 0x01, 0xa5a8 },
53 { 0x02, 0x8e95 },
54 { 0x03, 0x0002 },
55 { 0x04, 0xaf67 },
56 { 0x08, 0x200f },
57 { 0x09, 0xd010 },
58 { 0x0a, 0x0100 },
59 { 0x0b, 0x0000 },
60 { 0x0d, 0x2800 },
61 { 0x0f, 0x0022 },
62 { 0x19, 0x0217 },
63 { 0x20, 0x0020 },
64 { 0x33, 0x0208 },
65 { 0x46, 0x0300 },
66 { 0x49, 0x4004 },
67 { 0x4f, 0x50c9 },
68 { 0x50, 0x3000 },
69 { 0x63, 0x1b02 },
70 { 0x67, 0x1111 },
71 { 0x68, 0x1016 },
72 { 0x69, 0x273f },
73};
74#define INDEX_CACHE_SIZE ARRAY_SIZE(rt298_index_def)
75
76static const struct reg_default rt298_reg[] = {
77 { 0x00170500, 0x00000400 },
78 { 0x00220000, 0x00000031 },
79 { 0x00239000, 0x0000007f },
80 { 0x0023a000, 0x0000007f },
81 { 0x00270500, 0x00000400 },
82 { 0x00370500, 0x00000400 },
83 { 0x00870500, 0x00000400 },
84 { 0x00920000, 0x00000031 },
85 { 0x00935000, 0x000000c3 },
86 { 0x00936000, 0x000000c3 },
87 { 0x00970500, 0x00000400 },
88 { 0x00b37000, 0x00000097 },
89 { 0x00b37200, 0x00000097 },
90 { 0x00b37300, 0x00000097 },
91 { 0x00c37000, 0x00000000 },
92 { 0x00c37100, 0x00000080 },
93 { 0x01270500, 0x00000400 },
94 { 0x01370500, 0x00000400 },
95 { 0x01371f00, 0x411111f0 },
96 { 0x01439000, 0x00000080 },
97 { 0x0143a000, 0x00000080 },
98 { 0x01470700, 0x00000000 },
99 { 0x01470500, 0x00000400 },
100 { 0x01470c00, 0x00000000 },
101 { 0x01470100, 0x00000000 },
102 { 0x01837000, 0x00000000 },
103 { 0x01870500, 0x00000400 },
104 { 0x02050000, 0x00000000 },
105 { 0x02139000, 0x00000080 },
106 { 0x0213a000, 0x00000080 },
107 { 0x02170100, 0x00000000 },
108 { 0x02170500, 0x00000400 },
109 { 0x02170700, 0x00000000 },
110 { 0x02270100, 0x00000000 },
111 { 0x02370100, 0x00000000 },
112 { 0x01870700, 0x00000020 },
113 { 0x00830000, 0x000000c3 },
114 { 0x00930000, 0x000000c3 },
115 { 0x01270700, 0x00000000 },
116};
117
118static bool rt298_volatile_register(struct device *dev, unsigned int reg)
119{
120 switch (reg) {
121 case 0 ... 0xff:
122 case RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
123 case RT298_GET_HP_SENSE:
124 case RT298_GET_MIC1_SENSE:
125 case RT298_PROC_COEF:
126 case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_MIC1, 0):
127 case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_SPK_OUT, 0):
128 case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_HP_OUT, 0):
129 return true;
130 default:
131 return false;
132 }
133
134
135}
136
137static bool rt298_readable_register(struct device *dev, unsigned int reg)
138{
139 switch (reg) {
140 case 0 ... 0xff:
141 case RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
142 case RT298_GET_HP_SENSE:
143 case RT298_GET_MIC1_SENSE:
144 case RT298_SET_AUDIO_POWER:
145 case RT298_SET_HPO_POWER:
146 case RT298_SET_SPK_POWER:
147 case RT298_SET_DMIC1_POWER:
148 case RT298_SPK_MUX:
149 case RT298_HPO_MUX:
150 case RT298_ADC0_MUX:
151 case RT298_ADC1_MUX:
152 case RT298_SET_MIC1:
153 case RT298_SET_PIN_HPO:
154 case RT298_SET_PIN_SPK:
155 case RT298_SET_PIN_DMIC1:
156 case RT298_SPK_EAPD:
157 case RT298_SET_AMP_GAIN_HPO:
158 case RT298_SET_DMIC2_DEFAULT:
159 case RT298_DACL_GAIN:
160 case RT298_DACR_GAIN:
161 case RT298_ADCL_GAIN:
162 case RT298_ADCR_GAIN:
163 case RT298_MIC_GAIN:
164 case RT298_SPOL_GAIN:
165 case RT298_SPOR_GAIN:
166 case RT298_HPOL_GAIN:
167 case RT298_HPOR_GAIN:
168 case RT298_F_DAC_SWITCH:
169 case RT298_F_RECMIX_SWITCH:
170 case RT298_REC_MIC_SWITCH:
171 case RT298_REC_I2S_SWITCH:
172 case RT298_REC_LINE_SWITCH:
173 case RT298_REC_BEEP_SWITCH:
174 case RT298_DAC_FORMAT:
175 case RT298_ADC_FORMAT:
176 case RT298_COEF_INDEX:
177 case RT298_PROC_COEF:
178 case RT298_SET_AMP_GAIN_ADC_IN1:
179 case RT298_SET_AMP_GAIN_ADC_IN2:
180 case RT298_SET_POWER(RT298_DAC_OUT1):
181 case RT298_SET_POWER(RT298_DAC_OUT2):
182 case RT298_SET_POWER(RT298_ADC_IN1):
183 case RT298_SET_POWER(RT298_ADC_IN2):
184 case RT298_SET_POWER(RT298_DMIC2):
185 case RT298_SET_POWER(RT298_MIC1):
186 case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_MIC1, 0):
187 case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_SPK_OUT, 0):
188 case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_HP_OUT, 0):
189 return true;
190 default:
191 return false;
192 }
193}
194
195#ifdef CONFIG_PM
196static void rt298_index_sync(struct snd_soc_codec *codec)
197{
198 struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
199 int i;
200
201 for (i = 0; i < INDEX_CACHE_SIZE; i++) {
202 snd_soc_write(codec, rt298->index_cache[i].reg,
203 rt298->index_cache[i].def);
204 }
205}
206#endif
207
208static int rt298_support_power_controls[] = {
209 RT298_DAC_OUT1,
210 RT298_DAC_OUT2,
211 RT298_ADC_IN1,
212 RT298_ADC_IN2,
213 RT298_MIC1,
214 RT298_DMIC1,
215 RT298_DMIC2,
216 RT298_SPK_OUT,
217 RT298_HP_OUT,
218};
219#define RT298_POWER_REG_LEN ARRAY_SIZE(rt298_support_power_controls)
220
221static int rt298_jack_detect(struct rt298_priv *rt298, bool *hp, bool *mic)
222{
223 struct snd_soc_dapm_context *dapm;
224 unsigned int val, buf;
225
226 *hp = false;
227 *mic = false;
228
229 if (!rt298->codec)
230 return -EINVAL;
231
232 dapm = snd_soc_codec_get_dapm(rt298->codec);
233
234 if (rt298->pdata.cbj_en) {
235 regmap_read(rt298->regmap, RT298_GET_HP_SENSE, &buf);
236 *hp = buf & 0x80000000;
237 if (*hp == rt298->is_hp_in)
238 return -1;
239 rt298->is_hp_in = *hp;
240 if (*hp) {
241
242 regmap_update_bits(rt298->regmap,
243 RT298_DC_GAIN, 0x200, 0x200);
244
245 snd_soc_dapm_force_enable_pin(dapm, "HV");
246 snd_soc_dapm_force_enable_pin(dapm, "VREF");
247
248 snd_soc_dapm_force_enable_pin(dapm, "LDO1");
249 snd_soc_dapm_sync(dapm);
250
251 regmap_write(rt298->regmap, RT298_SET_MIC1, 0x24);
252 msleep(50);
253
254 regmap_update_bits(rt298->regmap,
255 RT298_CBJ_CTRL1, 0xfcc0, 0xd400);
256 msleep(300);
257 regmap_read(rt298->regmap, RT298_CBJ_CTRL2, &val);
258
259 if (0x0070 == (val & 0x0070)) {
260 *mic = true;
261 } else {
262 regmap_update_bits(rt298->regmap,
263 RT298_CBJ_CTRL1, 0xfcc0, 0xe400);
264 msleep(300);
265 regmap_read(rt298->regmap,
266 RT298_CBJ_CTRL2, &val);
267 if (0x0070 == (val & 0x0070))
268 *mic = true;
269 else
270 *mic = false;
271 }
272 regmap_update_bits(rt298->regmap,
273 RT298_DC_GAIN, 0x200, 0x0);
274
275 } else {
276 *mic = false;
277 regmap_write(rt298->regmap, RT298_SET_MIC1, 0x20);
278 }
279 } else {
280 regmap_read(rt298->regmap, RT298_GET_HP_SENSE, &buf);
281 *hp = buf & 0x80000000;
282 regmap_read(rt298->regmap, RT298_GET_MIC1_SENSE, &buf);
283 *mic = buf & 0x80000000;
284 }
285
286 snd_soc_dapm_disable_pin(dapm, "HV");
287 snd_soc_dapm_disable_pin(dapm, "VREF");
288 if (!*hp)
289 snd_soc_dapm_disable_pin(dapm, "LDO1");
290 snd_soc_dapm_sync(dapm);
291
292 pr_debug("*hp = %d *mic = %d\n", *hp, *mic);
293
294 return 0;
295}
296
297static void rt298_jack_detect_work(struct work_struct *work)
298{
299 struct rt298_priv *rt298 =
300 container_of(work, struct rt298_priv, jack_detect_work.work);
301 int status = 0;
302 bool hp = false;
303 bool mic = false;
304
305 if (rt298_jack_detect(rt298, &hp, &mic) < 0)
306 return;
307
308 if (hp == true)
309 status |= SND_JACK_HEADPHONE;
310
311 if (mic == true)
312 status |= SND_JACK_MICROPHONE;
313
314 snd_soc_jack_report(rt298->jack, status,
315 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
316}
317
318int rt298_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack)
319{
320 struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
321
322 rt298->jack = jack;
323
324
325 snd_soc_jack_report(rt298->jack, 0,
326 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
327
328 return 0;
329}
330EXPORT_SYMBOL_GPL(rt298_mic_detect);
331
332static int is_mclk_mode(struct snd_soc_dapm_widget *source,
333 struct snd_soc_dapm_widget *sink)
334{
335 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
336 struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
337
338 if (rt298->clk_id == RT298_SCLK_S_MCLK)
339 return 1;
340 else
341 return 0;
342}
343
344static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0);
345static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
346
347static const struct snd_kcontrol_new rt298_snd_controls[] = {
348 SOC_DOUBLE_R_TLV("DAC0 Playback Volume", RT298_DACL_GAIN,
349 RT298_DACR_GAIN, 0, 0x7f, 0, out_vol_tlv),
350 SOC_DOUBLE_R_TLV("ADC0 Capture Volume", RT298_ADCL_GAIN,
351 RT298_ADCR_GAIN, 0, 0x7f, 0, out_vol_tlv),
352 SOC_SINGLE_TLV("AMIC Volume", RT298_MIC_GAIN,
353 0, 0x3, 0, mic_vol_tlv),
354 SOC_DOUBLE_R("Speaker Playback Switch", RT298_SPOL_GAIN,
355 RT298_SPOR_GAIN, RT298_MUTE_SFT, 1, 1),
356};
357
358
359static const struct snd_kcontrol_new rt298_front_mix[] = {
360 SOC_DAPM_SINGLE("DAC Switch", RT298_F_DAC_SWITCH,
361 RT298_MUTE_SFT, 1, 1),
362 SOC_DAPM_SINGLE("RECMIX Switch", RT298_F_RECMIX_SWITCH,
363 RT298_MUTE_SFT, 1, 1),
364};
365
366
367static const struct snd_kcontrol_new rt298_rec_mix[] = {
368 SOC_DAPM_SINGLE("Mic1 Switch", RT298_REC_MIC_SWITCH,
369 RT298_MUTE_SFT, 1, 1),
370 SOC_DAPM_SINGLE("I2S Switch", RT298_REC_I2S_SWITCH,
371 RT298_MUTE_SFT, 1, 1),
372 SOC_DAPM_SINGLE("Line1 Switch", RT298_REC_LINE_SWITCH,
373 RT298_MUTE_SFT, 1, 1),
374 SOC_DAPM_SINGLE("Beep Switch", RT298_REC_BEEP_SWITCH,
375 RT298_MUTE_SFT, 1, 1),
376};
377
378static const struct snd_kcontrol_new spo_enable_control =
379 SOC_DAPM_SINGLE("Switch", RT298_SET_PIN_SPK,
380 RT298_SET_PIN_SFT, 1, 0);
381
382static const struct snd_kcontrol_new hpol_enable_control =
383 SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT298_HPOL_GAIN,
384 RT298_MUTE_SFT, 1, 1);
385
386static const struct snd_kcontrol_new hpor_enable_control =
387 SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT298_HPOR_GAIN,
388 RT298_MUTE_SFT, 1, 1);
389
390
391static const char * const rt298_adc_src[] = {
392 "Mic", "RECMIX", "Dmic"
393};
394
395static const int rt298_adc_values[] = {
396 0, 4, 5,
397};
398
399static SOC_VALUE_ENUM_SINGLE_DECL(
400 rt298_adc0_enum, RT298_ADC0_MUX, RT298_ADC_SEL_SFT,
401 RT298_ADC_SEL_MASK, rt298_adc_src, rt298_adc_values);
402
403static const struct snd_kcontrol_new rt298_adc0_mux =
404 SOC_DAPM_ENUM("ADC 0 source", rt298_adc0_enum);
405
406static SOC_VALUE_ENUM_SINGLE_DECL(
407 rt298_adc1_enum, RT298_ADC1_MUX, RT298_ADC_SEL_SFT,
408 RT298_ADC_SEL_MASK, rt298_adc_src, rt298_adc_values);
409
410static const struct snd_kcontrol_new rt298_adc1_mux =
411 SOC_DAPM_ENUM("ADC 1 source", rt298_adc1_enum);
412
413static const char * const rt298_dac_src[] = {
414 "Front", "Surround"
415};
416
417static SOC_ENUM_SINGLE_DECL(rt298_hpo_enum, RT298_HPO_MUX,
418 0, rt298_dac_src);
419
420static const struct snd_kcontrol_new rt298_hpo_mux =
421SOC_DAPM_ENUM("HPO source", rt298_hpo_enum);
422
423
424static SOC_ENUM_SINGLE_DECL(rt298_spo_enum, RT298_SPK_MUX,
425 0, rt298_dac_src);
426
427static const struct snd_kcontrol_new rt298_spo_mux =
428SOC_DAPM_ENUM("SPO source", rt298_spo_enum);
429
430static int rt298_spk_event(struct snd_soc_dapm_widget *w,
431 struct snd_kcontrol *kcontrol, int event)
432{
433 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
434
435 switch (event) {
436 case SND_SOC_DAPM_POST_PMU:
437 snd_soc_write(codec,
438 RT298_SPK_EAPD, RT298_SET_EAPD_HIGH);
439 break;
440 case SND_SOC_DAPM_PRE_PMD:
441 snd_soc_write(codec,
442 RT298_SPK_EAPD, RT298_SET_EAPD_LOW);
443 break;
444
445 default:
446 return 0;
447 }
448
449 return 0;
450}
451
452static int rt298_set_dmic1_event(struct snd_soc_dapm_widget *w,
453 struct snd_kcontrol *kcontrol, int event)
454{
455 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
456
457 switch (event) {
458 case SND_SOC_DAPM_POST_PMU:
459 snd_soc_write(codec, RT298_SET_PIN_DMIC1, 0x20);
460 break;
461 case SND_SOC_DAPM_PRE_PMD:
462 snd_soc_write(codec, RT298_SET_PIN_DMIC1, 0);
463 break;
464 default:
465 return 0;
466 }
467
468 return 0;
469}
470
471static int rt298_adc_event(struct snd_soc_dapm_widget *w,
472 struct snd_kcontrol *kcontrol, int event)
473{
474 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
475 unsigned int nid;
476
477 nid = (w->reg >> 20) & 0xff;
478
479 switch (event) {
480 case SND_SOC_DAPM_POST_PMU:
481 snd_soc_update_bits(codec,
482 VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
483 0x7080, 0x7000);
484 break;
485 case SND_SOC_DAPM_PRE_PMD:
486 snd_soc_update_bits(codec,
487 VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
488 0x7080, 0x7080);
489 break;
490 default:
491 return 0;
492 }
493
494 return 0;
495}
496
497static int rt298_mic1_event(struct snd_soc_dapm_widget *w,
498 struct snd_kcontrol *kcontrol, int event)
499{
500 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
501
502 switch (event) {
503 case SND_SOC_DAPM_PRE_PMU:
504 snd_soc_update_bits(codec,
505 RT298_A_BIAS_CTRL3, 0xc000, 0x8000);
506 snd_soc_update_bits(codec,
507 RT298_A_BIAS_CTRL2, 0xc000, 0x8000);
508 break;
509 case SND_SOC_DAPM_POST_PMD:
510 snd_soc_update_bits(codec,
511 RT298_A_BIAS_CTRL3, 0xc000, 0x0000);
512 snd_soc_update_bits(codec,
513 RT298_A_BIAS_CTRL2, 0xc000, 0x0000);
514 break;
515 default:
516 return 0;
517 }
518
519 return 0;
520}
521
522static int rt298_vref_event(struct snd_soc_dapm_widget *w,
523 struct snd_kcontrol *kcontrol, int event)
524{
525 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
526
527 switch (event) {
528 case SND_SOC_DAPM_PRE_PMU:
529 snd_soc_update_bits(codec,
530 RT298_CBJ_CTRL1, 0x0400, 0x0000);
531 mdelay(50);
532 break;
533 default:
534 return 0;
535 }
536
537 return 0;
538}
539
540static const struct snd_soc_dapm_widget rt298_dapm_widgets[] = {
541
542 SND_SOC_DAPM_SUPPLY_S("HV", 1, RT298_POWER_CTRL1,
543 12, 1, NULL, 0),
544 SND_SOC_DAPM_SUPPLY("VREF", RT298_POWER_CTRL1,
545 0, 1, rt298_vref_event, SND_SOC_DAPM_PRE_PMU),
546 SND_SOC_DAPM_SUPPLY_S("BG_MBIAS", 1, RT298_POWER_CTRL2,
547 1, 0, NULL, 0),
548 SND_SOC_DAPM_SUPPLY_S("LDO1", 1, RT298_POWER_CTRL2,
549 2, 0, NULL, 0),
550 SND_SOC_DAPM_SUPPLY_S("LDO2", 1, RT298_POWER_CTRL2,
551 3, 0, NULL, 0),
552 SND_SOC_DAPM_SUPPLY_S("VREF1", 1, RT298_POWER_CTRL2,
553 4, 1, NULL, 0),
554 SND_SOC_DAPM_SUPPLY_S("LV", 2, RT298_POWER_CTRL1,
555 13, 1, NULL, 0),
556
557
558 SND_SOC_DAPM_SUPPLY("MCLK MODE", RT298_PLL_CTRL1,
559 5, 0, NULL, 0),
560 SND_SOC_DAPM_SUPPLY("MIC1 Input Buffer", SND_SOC_NOPM,
561 0, 0, rt298_mic1_event, SND_SOC_DAPM_PRE_PMU |
562 SND_SOC_DAPM_POST_PMD),
563
564
565 SND_SOC_DAPM_INPUT("DMIC1 Pin"),
566 SND_SOC_DAPM_INPUT("DMIC2 Pin"),
567 SND_SOC_DAPM_INPUT("MIC1"),
568 SND_SOC_DAPM_INPUT("LINE1"),
569 SND_SOC_DAPM_INPUT("Beep"),
570
571
572 SND_SOC_DAPM_PGA_E("DMIC1", RT298_SET_POWER(RT298_DMIC1), 0, 1,
573 NULL, 0, rt298_set_dmic1_event,
574 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
575 SND_SOC_DAPM_PGA("DMIC2", RT298_SET_POWER(RT298_DMIC2), 0, 1,
576 NULL, 0),
577 SND_SOC_DAPM_SUPPLY("DMIC Receiver", SND_SOC_NOPM,
578 0, 0, NULL, 0),
579
580
581 SND_SOC_DAPM_MIXER("RECMIX", SND_SOC_NOPM, 0, 0,
582 rt298_rec_mix, ARRAY_SIZE(rt298_rec_mix)),
583
584
585 SND_SOC_DAPM_ADC("ADC 0", NULL, SND_SOC_NOPM, 0, 0),
586 SND_SOC_DAPM_ADC("ADC 1", NULL, SND_SOC_NOPM, 0, 0),
587
588
589 SND_SOC_DAPM_MUX_E("ADC 0 Mux", RT298_SET_POWER(RT298_ADC_IN1), 0, 1,
590 &rt298_adc0_mux, rt298_adc_event, SND_SOC_DAPM_PRE_PMD |
591 SND_SOC_DAPM_POST_PMU),
592 SND_SOC_DAPM_MUX_E("ADC 1 Mux", RT298_SET_POWER(RT298_ADC_IN2), 0, 1,
593 &rt298_adc1_mux, rt298_adc_event, SND_SOC_DAPM_PRE_PMD |
594 SND_SOC_DAPM_POST_PMU),
595
596
597 SND_SOC_DAPM_AIF_IN("AIF1RX", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
598 SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
599 SND_SOC_DAPM_AIF_IN("AIF2RX", "AIF2 Playback", 0, SND_SOC_NOPM, 0, 0),
600 SND_SOC_DAPM_AIF_OUT("AIF2TX", "AIF2 Capture", 0, SND_SOC_NOPM, 0, 0),
601
602
603
604 SND_SOC_DAPM_DAC("DAC 0", NULL, SND_SOC_NOPM, 0, 0),
605 SND_SOC_DAPM_DAC("DAC 1", NULL, SND_SOC_NOPM, 0, 0),
606
607
608 SND_SOC_DAPM_MUX("SPK Mux", SND_SOC_NOPM, 0, 0, &rt298_spo_mux),
609 SND_SOC_DAPM_MUX("HPO Mux", SND_SOC_NOPM, 0, 0, &rt298_hpo_mux),
610
611 SND_SOC_DAPM_SUPPLY("HP Power", RT298_SET_PIN_HPO,
612 RT298_SET_PIN_SFT, 0, NULL, 0),
613
614
615 SND_SOC_DAPM_MIXER("Front", RT298_SET_POWER(RT298_DAC_OUT1), 0, 1,
616 rt298_front_mix, ARRAY_SIZE(rt298_front_mix)),
617 SND_SOC_DAPM_PGA("Surround", RT298_SET_POWER(RT298_DAC_OUT2), 0, 1,
618 NULL, 0),
619
620
621 SND_SOC_DAPM_SWITCH_E("SPO", SND_SOC_NOPM, 0, 0,
622 &spo_enable_control, rt298_spk_event,
623 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
624 SND_SOC_DAPM_SWITCH("HPO L", SND_SOC_NOPM, 0, 0,
625 &hpol_enable_control),
626 SND_SOC_DAPM_SWITCH("HPO R", SND_SOC_NOPM, 0, 0,
627 &hpor_enable_control),
628
629
630 SND_SOC_DAPM_OUTPUT("SPOL"),
631 SND_SOC_DAPM_OUTPUT("SPOR"),
632 SND_SOC_DAPM_OUTPUT("HPO Pin"),
633 SND_SOC_DAPM_OUTPUT("SPDIF"),
634};
635
636static const struct snd_soc_dapm_route rt298_dapm_routes[] = {
637
638 {"ADC 0", NULL, "MCLK MODE", is_mclk_mode},
639 {"ADC 1", NULL, "MCLK MODE", is_mclk_mode},
640 {"Front", NULL, "MCLK MODE", is_mclk_mode},
641 {"Surround", NULL, "MCLK MODE", is_mclk_mode},
642
643 {"HP Power", NULL, "LDO1"},
644 {"HP Power", NULL, "LDO2"},
645 {"HP Power", NULL, "LV"},
646 {"HP Power", NULL, "VREF1"},
647 {"HP Power", NULL, "BG_MBIAS"},
648
649 {"MIC1", NULL, "LDO1"},
650 {"MIC1", NULL, "LDO2"},
651 {"MIC1", NULL, "HV"},
652 {"MIC1", NULL, "LV"},
653 {"MIC1", NULL, "VREF"},
654 {"MIC1", NULL, "VREF1"},
655 {"MIC1", NULL, "BG_MBIAS"},
656 {"MIC1", NULL, "MIC1 Input Buffer"},
657
658 {"SPO", NULL, "LDO1"},
659 {"SPO", NULL, "LDO2"},
660 {"SPO", NULL, "HV"},
661 {"SPO", NULL, "LV"},
662 {"SPO", NULL, "VREF"},
663 {"SPO", NULL, "VREF1"},
664 {"SPO", NULL, "BG_MBIAS"},
665
666 {"DMIC1", NULL, "DMIC1 Pin"},
667 {"DMIC2", NULL, "DMIC2 Pin"},
668 {"DMIC1", NULL, "DMIC Receiver"},
669 {"DMIC2", NULL, "DMIC Receiver"},
670
671 {"RECMIX", "Beep Switch", "Beep"},
672 {"RECMIX", "Line1 Switch", "LINE1"},
673 {"RECMIX", "Mic1 Switch", "MIC1"},
674
675 {"ADC 0 Mux", "Dmic", "DMIC1"},
676 {"ADC 0 Mux", "RECMIX", "RECMIX"},
677 {"ADC 0 Mux", "Mic", "MIC1"},
678 {"ADC 1 Mux", "Dmic", "DMIC2"},
679 {"ADC 1 Mux", "RECMIX", "RECMIX"},
680 {"ADC 1 Mux", "Mic", "MIC1"},
681
682 {"ADC 0", NULL, "ADC 0 Mux"},
683 {"ADC 1", NULL, "ADC 1 Mux"},
684
685 {"AIF1TX", NULL, "ADC 0"},
686 {"AIF2TX", NULL, "ADC 1"},
687
688 {"DAC 0", NULL, "AIF1RX"},
689 {"DAC 1", NULL, "AIF2RX"},
690
691 {"Front", "DAC Switch", "DAC 0"},
692 {"Front", "RECMIX Switch", "RECMIX"},
693
694 {"Surround", NULL, "DAC 1"},
695
696 {"SPK Mux", "Front", "Front"},
697 {"SPK Mux", "Surround", "Surround"},
698
699 {"HPO Mux", "Front", "Front"},
700 {"HPO Mux", "Surround", "Surround"},
701
702 {"SPO", "Switch", "SPK Mux"},
703 {"HPO L", "Switch", "HPO Mux"},
704 {"HPO R", "Switch", "HPO Mux"},
705 {"HPO L", NULL, "HP Power"},
706 {"HPO R", NULL, "HP Power"},
707
708 {"SPOL", NULL, "SPO"},
709 {"SPOR", NULL, "SPO"},
710 {"HPO Pin", NULL, "HPO L"},
711 {"HPO Pin", NULL, "HPO R"},
712};
713
714static int rt298_hw_params(struct snd_pcm_substream *substream,
715 struct snd_pcm_hw_params *params,
716 struct snd_soc_dai *dai)
717{
718 struct snd_soc_codec *codec = dai->codec;
719 struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
720 unsigned int val = 0;
721 int d_len_code;
722
723 switch (params_rate(params)) {
724
725 case 44100:
726 case 48000:
727 break;
728 default:
729 dev_err(codec->dev, "Unsupported sample rate %d\n",
730 params_rate(params));
731 return -EINVAL;
732 }
733 switch (rt298->sys_clk) {
734 case 12288000:
735 case 24576000:
736 if (params_rate(params) != 48000) {
737 dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n",
738 params_rate(params), rt298->sys_clk);
739 return -EINVAL;
740 }
741 break;
742 case 11289600:
743 case 22579200:
744 if (params_rate(params) != 44100) {
745 dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n",
746 params_rate(params), rt298->sys_clk);
747 return -EINVAL;
748 }
749 break;
750 }
751
752 if (params_channels(params) <= 16) {
753
754 val |= (params_channels(params) - 1);
755 } else {
756 dev_err(codec->dev, "Unsupported channels %d\n",
757 params_channels(params));
758 return -EINVAL;
759 }
760
761 d_len_code = 0;
762 switch (params_width(params)) {
763
764 case 16:
765 d_len_code = 0;
766 val |= (0x1 << 4);
767 break;
768 case 32:
769 d_len_code = 2;
770 val |= (0x4 << 4);
771 break;
772 case 20:
773 d_len_code = 1;
774 val |= (0x2 << 4);
775 break;
776 case 24:
777 d_len_code = 2;
778 val |= (0x3 << 4);
779 break;
780 case 8:
781 d_len_code = 3;
782 break;
783 default:
784 return -EINVAL;
785 }
786
787 snd_soc_update_bits(codec,
788 RT298_I2S_CTRL1, 0x0018, d_len_code << 3);
789 dev_dbg(codec->dev, "format val = 0x%x\n", val);
790
791 snd_soc_update_bits(codec, RT298_DAC_FORMAT, 0x407f, val);
792 snd_soc_update_bits(codec, RT298_ADC_FORMAT, 0x407f, val);
793
794 return 0;
795}
796
797static int rt298_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
798{
799 struct snd_soc_codec *codec = dai->codec;
800
801 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
802 case SND_SOC_DAIFMT_CBM_CFM:
803 snd_soc_update_bits(codec,
804 RT298_I2S_CTRL1, 0x800, 0x800);
805 break;
806 case SND_SOC_DAIFMT_CBS_CFS:
807 snd_soc_update_bits(codec,
808 RT298_I2S_CTRL1, 0x800, 0x0);
809 break;
810 default:
811 return -EINVAL;
812 }
813
814 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
815 case SND_SOC_DAIFMT_I2S:
816 snd_soc_update_bits(codec,
817 RT298_I2S_CTRL1, 0x300, 0x0);
818 break;
819 case SND_SOC_DAIFMT_LEFT_J:
820 snd_soc_update_bits(codec,
821 RT298_I2S_CTRL1, 0x300, 0x1 << 8);
822 break;
823 case SND_SOC_DAIFMT_DSP_A:
824 snd_soc_update_bits(codec,
825 RT298_I2S_CTRL1, 0x300, 0x2 << 8);
826 break;
827 case SND_SOC_DAIFMT_DSP_B:
828 snd_soc_update_bits(codec,
829 RT298_I2S_CTRL1, 0x300, 0x3 << 8);
830 break;
831 default:
832 return -EINVAL;
833 }
834
835 snd_soc_update_bits(codec, RT298_DAC_FORMAT, 0x8000, 0);
836 snd_soc_update_bits(codec, RT298_ADC_FORMAT, 0x8000, 0);
837
838 return 0;
839}
840
841static int rt298_set_dai_sysclk(struct snd_soc_dai *dai,
842 int clk_id, unsigned int freq, int dir)
843{
844 struct snd_soc_codec *codec = dai->codec;
845 struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
846
847 dev_dbg(codec->dev, "%s freq=%d\n", __func__, freq);
848
849 if (RT298_SCLK_S_MCLK == clk_id) {
850 snd_soc_update_bits(codec,
851 RT298_I2S_CTRL2, 0x0100, 0x0);
852 snd_soc_update_bits(codec,
853 RT298_PLL_CTRL1, 0x20, 0x20);
854 } else {
855 snd_soc_update_bits(codec,
856 RT298_I2S_CTRL2, 0x0100, 0x0100);
857 snd_soc_update_bits(codec,
858 RT298_PLL_CTRL1, 0x20, 0x0);
859 }
860
861 switch (freq) {
862 case 19200000:
863 if (RT298_SCLK_S_MCLK == clk_id) {
864 dev_err(codec->dev, "Should not use MCLK\n");
865 return -EINVAL;
866 }
867 snd_soc_update_bits(codec,
868 RT298_I2S_CTRL2, 0x40, 0x40);
869 break;
870 case 24000000:
871 if (RT298_SCLK_S_MCLK == clk_id) {
872 dev_err(codec->dev, "Should not use MCLK\n");
873 return -EINVAL;
874 }
875 snd_soc_update_bits(codec,
876 RT298_I2S_CTRL2, 0x40, 0x0);
877 break;
878 case 12288000:
879 case 11289600:
880 snd_soc_update_bits(codec,
881 RT298_I2S_CTRL2, 0x8, 0x0);
882 snd_soc_update_bits(codec,
883 RT298_CLK_DIV, 0xfc1e, 0x0004);
884 break;
885 case 24576000:
886 case 22579200:
887 snd_soc_update_bits(codec,
888 RT298_I2S_CTRL2, 0x8, 0x8);
889 snd_soc_update_bits(codec,
890 RT298_CLK_DIV, 0xfc1e, 0x5406);
891 break;
892 default:
893 dev_err(codec->dev, "Unsupported system clock\n");
894 return -EINVAL;
895 }
896
897 rt298->sys_clk = freq;
898 rt298->clk_id = clk_id;
899
900 return 0;
901}
902
903static int rt298_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
904{
905 struct snd_soc_codec *codec = dai->codec;
906
907 dev_dbg(codec->dev, "%s ratio=%d\n", __func__, ratio);
908 if (50 == ratio)
909 snd_soc_update_bits(codec,
910 RT298_I2S_CTRL1, 0x1000, 0x1000);
911 else
912 snd_soc_update_bits(codec,
913 RT298_I2S_CTRL1, 0x1000, 0x0);
914
915
916 return 0;
917}
918
919static int rt298_set_bias_level(struct snd_soc_codec *codec,
920 enum snd_soc_bias_level level)
921{
922 switch (level) {
923 case SND_SOC_BIAS_PREPARE:
924 if (SND_SOC_BIAS_STANDBY ==
925 snd_soc_codec_get_bias_level(codec)) {
926 snd_soc_write(codec,
927 RT298_SET_AUDIO_POWER, AC_PWRST_D0);
928 snd_soc_update_bits(codec, 0x0d, 0x200, 0x200);
929 snd_soc_update_bits(codec, 0x52, 0x80, 0x0);
930 mdelay(20);
931 snd_soc_update_bits(codec, 0x0d, 0x200, 0x0);
932 snd_soc_update_bits(codec, 0x52, 0x80, 0x80);
933 }
934 break;
935
936 case SND_SOC_BIAS_ON:
937 mdelay(30);
938 snd_soc_update_bits(codec,
939 RT298_CBJ_CTRL1, 0x0400, 0x0400);
940
941 break;
942
943 case SND_SOC_BIAS_STANDBY:
944 snd_soc_write(codec,
945 RT298_SET_AUDIO_POWER, AC_PWRST_D3);
946 snd_soc_update_bits(codec,
947 RT298_CBJ_CTRL1, 0x0400, 0x0000);
948 break;
949
950 default:
951 break;
952 }
953
954 return 0;
955}
956
957static irqreturn_t rt298_irq(int irq, void *data)
958{
959 struct rt298_priv *rt298 = data;
960 bool hp = false;
961 bool mic = false;
962 int ret, status = 0;
963
964 ret = rt298_jack_detect(rt298, &hp, &mic);
965
966
967 regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x1, 0x1);
968
969 if (ret == 0) {
970 if (hp == true)
971 status |= SND_JACK_HEADPHONE;
972
973 if (mic == true)
974 status |= SND_JACK_MICROPHONE;
975
976 snd_soc_jack_report(rt298->jack, status,
977 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
978
979 pm_wakeup_event(&rt298->i2c->dev, 300);
980 }
981
982 return IRQ_HANDLED;
983}
984
985static int rt298_probe(struct snd_soc_codec *codec)
986{
987 struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
988
989 rt298->codec = codec;
990
991 if (rt298->i2c->irq) {
992 regmap_update_bits(rt298->regmap,
993 RT298_IRQ_CTRL, 0x2, 0x2);
994
995 INIT_DELAYED_WORK(&rt298->jack_detect_work,
996 rt298_jack_detect_work);
997 schedule_delayed_work(&rt298->jack_detect_work,
998 msecs_to_jiffies(1250));
999 }
1000
1001 return 0;
1002}
1003
1004static int rt298_remove(struct snd_soc_codec *codec)
1005{
1006 struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
1007
1008 cancel_delayed_work_sync(&rt298->jack_detect_work);
1009
1010 return 0;
1011}
1012
1013#ifdef CONFIG_PM
1014static int rt298_suspend(struct snd_soc_codec *codec)
1015{
1016 struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
1017
1018 rt298->is_hp_in = -1;
1019 regcache_cache_only(rt298->regmap, true);
1020 regcache_mark_dirty(rt298->regmap);
1021
1022 return 0;
1023}
1024
1025static int rt298_resume(struct snd_soc_codec *codec)
1026{
1027 struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
1028
1029 regcache_cache_only(rt298->regmap, false);
1030 rt298_index_sync(codec);
1031 regcache_sync(rt298->regmap);
1032
1033 return 0;
1034}
1035#else
1036#define rt298_suspend NULL
1037#define rt298_resume NULL
1038#endif
1039
1040#define RT298_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
1041#define RT298_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1042 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
1043
1044static const struct snd_soc_dai_ops rt298_aif_dai_ops = {
1045 .hw_params = rt298_hw_params,
1046 .set_fmt = rt298_set_dai_fmt,
1047 .set_sysclk = rt298_set_dai_sysclk,
1048 .set_bclk_ratio = rt298_set_bclk_ratio,
1049};
1050
1051static struct snd_soc_dai_driver rt298_dai[] = {
1052 {
1053 .name = "rt298-aif1",
1054 .id = RT298_AIF1,
1055 .playback = {
1056 .stream_name = "AIF1 Playback",
1057 .channels_min = 1,
1058 .channels_max = 2,
1059 .rates = RT298_STEREO_RATES,
1060 .formats = RT298_FORMATS,
1061 },
1062 .capture = {
1063 .stream_name = "AIF1 Capture",
1064 .channels_min = 1,
1065 .channels_max = 2,
1066 .rates = RT298_STEREO_RATES,
1067 .formats = RT298_FORMATS,
1068 },
1069 .ops = &rt298_aif_dai_ops,
1070 .symmetric_rates = 1,
1071 },
1072 {
1073 .name = "rt298-aif2",
1074 .id = RT298_AIF2,
1075 .playback = {
1076 .stream_name = "AIF2 Playback",
1077 .channels_min = 1,
1078 .channels_max = 2,
1079 .rates = RT298_STEREO_RATES,
1080 .formats = RT298_FORMATS,
1081 },
1082 .capture = {
1083 .stream_name = "AIF2 Capture",
1084 .channels_min = 1,
1085 .channels_max = 2,
1086 .rates = RT298_STEREO_RATES,
1087 .formats = RT298_FORMATS,
1088 },
1089 .ops = &rt298_aif_dai_ops,
1090 .symmetric_rates = 1,
1091 },
1092
1093};
1094
1095static struct snd_soc_codec_driver soc_codec_dev_rt298 = {
1096 .probe = rt298_probe,
1097 .remove = rt298_remove,
1098 .suspend = rt298_suspend,
1099 .resume = rt298_resume,
1100 .set_bias_level = rt298_set_bias_level,
1101 .idle_bias_off = true,
1102 .controls = rt298_snd_controls,
1103 .num_controls = ARRAY_SIZE(rt298_snd_controls),
1104 .dapm_widgets = rt298_dapm_widgets,
1105 .num_dapm_widgets = ARRAY_SIZE(rt298_dapm_widgets),
1106 .dapm_routes = rt298_dapm_routes,
1107 .num_dapm_routes = ARRAY_SIZE(rt298_dapm_routes),
1108};
1109
1110static const struct regmap_config rt298_regmap = {
1111 .reg_bits = 32,
1112 .val_bits = 32,
1113 .max_register = 0x02370100,
1114 .volatile_reg = rt298_volatile_register,
1115 .readable_reg = rt298_readable_register,
1116 .reg_write = rl6347a_hw_write,
1117 .reg_read = rl6347a_hw_read,
1118 .cache_type = REGCACHE_RBTREE,
1119 .reg_defaults = rt298_reg,
1120 .num_reg_defaults = ARRAY_SIZE(rt298_reg),
1121};
1122
1123static const struct i2c_device_id rt298_i2c_id[] = {
1124 {"rt298", 0},
1125 {}
1126};
1127MODULE_DEVICE_TABLE(i2c, rt298_i2c_id);
1128
1129static const struct acpi_device_id rt298_acpi_match[] = {
1130 { "INT343A", 0 },
1131 {},
1132};
1133MODULE_DEVICE_TABLE(acpi, rt298_acpi_match);
1134
1135static int rt298_i2c_probe(struct i2c_client *i2c,
1136 const struct i2c_device_id *id)
1137{
1138 struct rt298_platform_data *pdata = dev_get_platdata(&i2c->dev);
1139 struct rt298_priv *rt298;
1140 struct device *dev = &i2c->dev;
1141 const struct acpi_device_id *acpiid;
1142 int i, ret;
1143
1144 rt298 = devm_kzalloc(&i2c->dev, sizeof(*rt298),
1145 GFP_KERNEL);
1146 if (NULL == rt298)
1147 return -ENOMEM;
1148
1149 rt298->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt298_regmap);
1150 if (IS_ERR(rt298->regmap)) {
1151 ret = PTR_ERR(rt298->regmap);
1152 dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1153 ret);
1154 return ret;
1155 }
1156
1157 regmap_read(rt298->regmap,
1158 RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID), &ret);
1159 if (ret != RT298_VENDOR_ID) {
1160 dev_err(&i2c->dev,
1161 "Device with ID register %#x is not rt298\n", ret);
1162 return -ENODEV;
1163 }
1164
1165 rt298->index_cache = devm_kmemdup(&i2c->dev, rt298_index_def,
1166 sizeof(rt298_index_def), GFP_KERNEL);
1167 if (!rt298->index_cache)
1168 return -ENOMEM;
1169
1170 rt298->index_cache_size = INDEX_CACHE_SIZE;
1171 rt298->i2c = i2c;
1172 i2c_set_clientdata(i2c, rt298);
1173
1174
1175 for (i = 0; i < INDEX_CACHE_SIZE; i++)
1176 regmap_write(rt298->regmap, rt298->index_cache[i].reg,
1177 rt298->index_cache[i].def);
1178 for (i = 0; i < ARRAY_SIZE(rt298_reg); i++)
1179 regmap_write(rt298->regmap, rt298_reg[i].reg,
1180 rt298_reg[i].def);
1181
1182 if (pdata)
1183 rt298->pdata = *pdata;
1184
1185
1186 acpiid = acpi_match_device(dev->driver->acpi_match_table, dev);
1187 if (acpiid) {
1188 rt298->pdata = *(struct rt298_platform_data *)
1189 acpiid->driver_data;
1190 }
1191
1192
1193 regmap_update_bits(rt298->regmap, 0x04, 0x80, 0x80);
1194 regmap_update_bits(rt298->regmap, 0x1b, 0x860, 0x860);
1195
1196 regmap_update_bits(rt298->regmap, 0x08, 0x20, 0x20);
1197
1198 regmap_write(rt298->regmap, RT298_SET_AUDIO_POWER, AC_PWRST_D3);
1199
1200 for (i = 0; i < RT298_POWER_REG_LEN; i++)
1201 regmap_write(rt298->regmap,
1202 RT298_SET_POWER(rt298_support_power_controls[i]),
1203 AC_PWRST_D1);
1204
1205 if (!rt298->pdata.cbj_en) {
1206 regmap_write(rt298->regmap, RT298_CBJ_CTRL2, 0x0000);
1207 regmap_write(rt298->regmap, RT298_MIC1_DET_CTRL, 0x0816);
1208 regmap_update_bits(rt298->regmap,
1209 RT298_CBJ_CTRL1, 0xf000, 0xb000);
1210 } else {
1211 regmap_update_bits(rt298->regmap,
1212 RT298_CBJ_CTRL1, 0xf000, 0x5000);
1213 }
1214
1215 mdelay(10);
1216
1217 if (!rt298->pdata.gpio2_en)
1218 regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0x40);
1219 else
1220 regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0);
1221
1222 mdelay(10);
1223
1224 regmap_write(rt298->regmap, RT298_MISC_CTRL1, 0x0000);
1225 regmap_update_bits(rt298->regmap,
1226 RT298_WIND_FILTER_CTRL, 0x0082, 0x0082);
1227 regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x2, 0x2);
1228 rt298->is_hp_in = -1;
1229
1230 if (rt298->i2c->irq) {
1231 ret = request_threaded_irq(rt298->i2c->irq, NULL, rt298_irq,
1232 IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "rt298", rt298);
1233 if (ret != 0) {
1234 dev_err(&i2c->dev,
1235 "Failed to reguest IRQ: %d\n", ret);
1236 return ret;
1237 }
1238 }
1239
1240 ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt298,
1241 rt298_dai, ARRAY_SIZE(rt298_dai));
1242
1243 return ret;
1244}
1245
1246static int rt298_i2c_remove(struct i2c_client *i2c)
1247{
1248 struct rt298_priv *rt298 = i2c_get_clientdata(i2c);
1249
1250 if (i2c->irq)
1251 free_irq(i2c->irq, rt298);
1252 snd_soc_unregister_codec(&i2c->dev);
1253
1254 return 0;
1255}
1256
1257
1258static struct i2c_driver rt298_i2c_driver = {
1259 .driver = {
1260 .name = "rt298",
1261 .acpi_match_table = ACPI_PTR(rt298_acpi_match),
1262 },
1263 .probe = rt298_i2c_probe,
1264 .remove = rt298_i2c_remove,
1265 .id_table = rt298_i2c_id,
1266};
1267
1268module_i2c_driver(rt298_i2c_driver);
1269
1270MODULE_DESCRIPTION("ASoC RT298 driver");
1271MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>");
1272MODULE_LICENSE("GPL");
1273
