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x86/speculation/mds: Fix documentation typo
[linux/fpc-iii.git] / sound / soc / codecs / rt298.c
blobce963768449f188a804ad86136650b5afd540024
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 struct snd_soc_dapm_context *dapm;
330 bool hp = false;
331 bool mic = false;
332 int status = 0;
333
334 /* If jack in NULL, disable HS jack */
335 if (!jack) {
336 regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x2, 0x0);
337 dapm = snd_soc_codec_get_dapm(codec);
338 snd_soc_dapm_disable_pin(dapm, "LDO1");
339 snd_soc_dapm_sync(dapm);
340 return 0;
341 }
342
343 rt298->jack = jack;
344 regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x2, 0x2);
345
346 rt298_jack_detect(rt298, &hp, &mic);
347 if (hp == true)
348 status |= SND_JACK_HEADPHONE;
349
350 if (mic == true)
351 status |= SND_JACK_MICROPHONE;
352
353 snd_soc_jack_report(rt298->jack, status,
354 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
355
356 return 0;
357 }
358 EXPORT_SYMBOL_GPL(rt298_mic_detect);
359
360 static int is_mclk_mode(struct snd_soc_dapm_widget *source,
361 struct snd_soc_dapm_widget *sink)
362 {
363 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
364 struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
365
366 if (rt298->clk_id == RT298_SCLK_S_MCLK)
367 return 1;
368 else
369 return 0;
370 }
371
372 static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0);
373 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
374
375 static const struct snd_kcontrol_new rt298_snd_controls[] = {
376 SOC_DOUBLE_R_TLV("DAC0 Playback Volume", RT298_DACL_GAIN,
377 RT298_DACR_GAIN, 0, 0x7f, 0, out_vol_tlv),
378 SOC_DOUBLE_R_TLV("ADC0 Capture Volume", RT298_ADCL_GAIN,
379 RT298_ADCR_GAIN, 0, 0x7f, 0, out_vol_tlv),
380 SOC_SINGLE_TLV("AMIC Volume", RT298_MIC_GAIN,
381 0, 0x3, 0, mic_vol_tlv),
382 SOC_DOUBLE_R("Speaker Playback Switch", RT298_SPOL_GAIN,
383 RT298_SPOR_GAIN, RT298_MUTE_SFT, 1, 1),
384 };
385
386 /* Digital Mixer */
387 static const struct snd_kcontrol_new rt298_front_mix[] = {
388 SOC_DAPM_SINGLE("DAC Switch", RT298_F_DAC_SWITCH,
389 RT298_MUTE_SFT, 1, 1),
390 SOC_DAPM_SINGLE("RECMIX Switch", RT298_F_RECMIX_SWITCH,
391 RT298_MUTE_SFT, 1, 1),
392 };
393
394 /* Analog Input Mixer */
395 static const struct snd_kcontrol_new rt298_rec_mix[] = {
396 SOC_DAPM_SINGLE("Mic1 Switch", RT298_REC_MIC_SWITCH,
397 RT298_MUTE_SFT, 1, 1),
398 SOC_DAPM_SINGLE("I2S Switch", RT298_REC_I2S_SWITCH,
399 RT298_MUTE_SFT, 1, 1),
400 SOC_DAPM_SINGLE("Line1 Switch", RT298_REC_LINE_SWITCH,
401 RT298_MUTE_SFT, 1, 1),
402 SOC_DAPM_SINGLE("Beep Switch", RT298_REC_BEEP_SWITCH,
403 RT298_MUTE_SFT, 1, 1),
404 };
405
406 static const struct snd_kcontrol_new spo_enable_control =
407 SOC_DAPM_SINGLE("Switch", RT298_SET_PIN_SPK,
408 RT298_SET_PIN_SFT, 1, 0);
409
410 static const struct snd_kcontrol_new hpol_enable_control =
411 SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT298_HPOL_GAIN,
412 RT298_MUTE_SFT, 1, 1);
413
414 static const struct snd_kcontrol_new hpor_enable_control =
415 SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT298_HPOR_GAIN,
416 RT298_MUTE_SFT, 1, 1);
417
418 /* ADC0 source */
419 static const char * const rt298_adc_src[] = {
420 "Mic", "RECMIX", "Dmic"
421 };
422
423 static const int rt298_adc_values[] = {
424 0, 4, 5,
425 };
426
427 static SOC_VALUE_ENUM_SINGLE_DECL(
428 rt298_adc0_enum, RT298_ADC0_MUX, RT298_ADC_SEL_SFT,
429 RT298_ADC_SEL_MASK, rt298_adc_src, rt298_adc_values);
430
431 static const struct snd_kcontrol_new rt298_adc0_mux =
432 SOC_DAPM_ENUM("ADC 0 source", rt298_adc0_enum);
433
434 static SOC_VALUE_ENUM_SINGLE_DECL(
435 rt298_adc1_enum, RT298_ADC1_MUX, RT298_ADC_SEL_SFT,
436 RT298_ADC_SEL_MASK, rt298_adc_src, rt298_adc_values);
437
438 static const struct snd_kcontrol_new rt298_adc1_mux =
439 SOC_DAPM_ENUM("ADC 1 source", rt298_adc1_enum);
440
441 static const char * const rt298_dac_src[] = {
442 "Front", "Surround"
443 };
444 /* HP-OUT source */
445 static SOC_ENUM_SINGLE_DECL(rt298_hpo_enum, RT298_HPO_MUX,
446 0, rt298_dac_src);
447
448 static const struct snd_kcontrol_new rt298_hpo_mux =
449 SOC_DAPM_ENUM("HPO source", rt298_hpo_enum);
450
451 /* SPK-OUT source */
452 static SOC_ENUM_SINGLE_DECL(rt298_spo_enum, RT298_SPK_MUX,
453 0, rt298_dac_src);
454
455 static const struct snd_kcontrol_new rt298_spo_mux =
456 SOC_DAPM_ENUM("SPO source", rt298_spo_enum);
457
458 static int rt298_spk_event(struct snd_soc_dapm_widget *w,
459 struct snd_kcontrol *kcontrol, int event)
460 {
461 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
462
463 switch (event) {
464 case SND_SOC_DAPM_POST_PMU:
465 snd_soc_write(codec,
466 RT298_SPK_EAPD, RT298_SET_EAPD_HIGH);
467 break;
468 case SND_SOC_DAPM_PRE_PMD:
469 snd_soc_write(codec,
470 RT298_SPK_EAPD, RT298_SET_EAPD_LOW);
471 break;
472
473 default:
474 return 0;
475 }
476
477 return 0;
478 }
479
480 static int rt298_set_dmic1_event(struct snd_soc_dapm_widget *w,
481 struct snd_kcontrol *kcontrol, int event)
482 {
483 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
484
485 switch (event) {
486 case SND_SOC_DAPM_POST_PMU:
487 snd_soc_write(codec, RT298_SET_PIN_DMIC1, 0x20);
488 break;
489 case SND_SOC_DAPM_PRE_PMD:
490 snd_soc_write(codec, RT298_SET_PIN_DMIC1, 0);
491 break;
492 default:
493 return 0;
494 }
495
496 return 0;
497 }
498
499 static int rt298_adc_event(struct snd_soc_dapm_widget *w,
500 struct snd_kcontrol *kcontrol, int event)
501 {
502 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
503 unsigned int nid;
504
505 nid = (w->reg >> 20) & 0xff;
506
507 switch (event) {
508 case SND_SOC_DAPM_POST_PMU:
509 snd_soc_update_bits(codec,
510 VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
511 0x7080, 0x7000);
512 /* If MCLK doesn't exist, reset AD filter */
513 if (!(snd_soc_read(codec, RT298_VAD_CTRL) & 0x200)) {
514 pr_info("NO MCLK\n");
515 switch (nid) {
516 case RT298_ADC_IN1:
517 snd_soc_update_bits(codec,
518 RT298_D_FILTER_CTRL, 0x2, 0x2);
519 mdelay(10);
520 snd_soc_update_bits(codec,
521 RT298_D_FILTER_CTRL, 0x2, 0x0);
522 break;
523 case RT298_ADC_IN2:
524 snd_soc_update_bits(codec,
525 RT298_D_FILTER_CTRL, 0x4, 0x4);
526 mdelay(10);
527 snd_soc_update_bits(codec,
528 RT298_D_FILTER_CTRL, 0x4, 0x0);
529 break;
530 }
531 }
532 break;
533 case SND_SOC_DAPM_PRE_PMD:
534 snd_soc_update_bits(codec,
535 VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
536 0x7080, 0x7080);
537 break;
538 default:
539 return 0;
540 }
541
542 return 0;
543 }
544
545 static int rt298_mic1_event(struct snd_soc_dapm_widget *w,
546 struct snd_kcontrol *kcontrol, int event)
547 {
548 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
549
550 switch (event) {
551 case SND_SOC_DAPM_PRE_PMU:
552 snd_soc_update_bits(codec,
553 RT298_A_BIAS_CTRL3, 0xc000, 0x8000);
554 snd_soc_update_bits(codec,
555 RT298_A_BIAS_CTRL2, 0xc000, 0x8000);
556 break;
557 case SND_SOC_DAPM_POST_PMD:
558 snd_soc_update_bits(codec,
559 RT298_A_BIAS_CTRL3, 0xc000, 0x0000);
560 snd_soc_update_bits(codec,
561 RT298_A_BIAS_CTRL2, 0xc000, 0x0000);
562 break;
563 default:
564 return 0;
565 }
566
567 return 0;
568 }
569
570 static const struct snd_soc_dapm_widget rt298_dapm_widgets[] = {
571
572 SND_SOC_DAPM_SUPPLY_S("HV", 1, RT298_POWER_CTRL1,
573 12, 1, NULL, 0),
574 SND_SOC_DAPM_SUPPLY("VREF", RT298_POWER_CTRL1,
575 0, 1, NULL, 0),
576 SND_SOC_DAPM_SUPPLY_S("BG_MBIAS", 1, RT298_POWER_CTRL2,
577 1, 0, NULL, 0),
578 SND_SOC_DAPM_SUPPLY_S("LDO1", 1, RT298_POWER_CTRL2,
579 2, 0, NULL, 0),
580 SND_SOC_DAPM_SUPPLY_S("LDO2", 1, RT298_POWER_CTRL2,
581 3, 0, NULL, 0),
582 SND_SOC_DAPM_SUPPLY_S("VREF1", 1, RT298_POWER_CTRL2,
583 4, 1, NULL, 0),
584 SND_SOC_DAPM_SUPPLY_S("LV", 2, RT298_POWER_CTRL1,
585 13, 1, NULL, 0),
586
587
588 SND_SOC_DAPM_SUPPLY("MCLK MODE", RT298_PLL_CTRL1,
589 5, 0, NULL, 0),
590 SND_SOC_DAPM_SUPPLY("MIC1 Input Buffer", SND_SOC_NOPM,
591 0, 0, rt298_mic1_event, SND_SOC_DAPM_PRE_PMU |
592 SND_SOC_DAPM_POST_PMD),
593
594 /* Input Lines */
595 SND_SOC_DAPM_INPUT("DMIC1 Pin"),
596 SND_SOC_DAPM_INPUT("DMIC2 Pin"),
597 SND_SOC_DAPM_INPUT("MIC1"),
598 SND_SOC_DAPM_INPUT("LINE1"),
599 SND_SOC_DAPM_INPUT("Beep"),
600
601 /* DMIC */
602 SND_SOC_DAPM_PGA_E("DMIC1", RT298_SET_POWER(RT298_DMIC1), 0, 1,
603 NULL, 0, rt298_set_dmic1_event,
604 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
605 SND_SOC_DAPM_PGA("DMIC2", RT298_SET_POWER(RT298_DMIC2), 0, 1,
606 NULL, 0),
607 SND_SOC_DAPM_SUPPLY("DMIC Receiver", SND_SOC_NOPM,
608 0, 0, NULL, 0),
609
610 /* REC Mixer */
611 SND_SOC_DAPM_MIXER("RECMIX", SND_SOC_NOPM, 0, 0,
612 rt298_rec_mix, ARRAY_SIZE(rt298_rec_mix)),
613
614 /* ADCs */
615 SND_SOC_DAPM_ADC("ADC 0", NULL, SND_SOC_NOPM, 0, 0),
616 SND_SOC_DAPM_ADC("ADC 1", NULL, SND_SOC_NOPM, 0, 0),
617
618 /* ADC Mux */
619 SND_SOC_DAPM_MUX_E("ADC 0 Mux", RT298_SET_POWER(RT298_ADC_IN1), 0, 1,
620 &rt298_adc0_mux, rt298_adc_event, SND_SOC_DAPM_PRE_PMD |
621 SND_SOC_DAPM_POST_PMU),
622 SND_SOC_DAPM_MUX_E("ADC 1 Mux", RT298_SET_POWER(RT298_ADC_IN2), 0, 1,
623 &rt298_adc1_mux, rt298_adc_event, SND_SOC_DAPM_PRE_PMD |
624 SND_SOC_DAPM_POST_PMU),
625
626 /* Audio Interface */
627 SND_SOC_DAPM_AIF_IN("AIF1RX", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
628 SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
629 SND_SOC_DAPM_AIF_IN("AIF2RX", "AIF2 Playback", 0, SND_SOC_NOPM, 0, 0),
630 SND_SOC_DAPM_AIF_OUT("AIF2TX", "AIF2 Capture", 0, SND_SOC_NOPM, 0, 0),
631
632 /* Output Side */
633 /* DACs */
634 SND_SOC_DAPM_DAC("DAC 0", NULL, SND_SOC_NOPM, 0, 0),
635 SND_SOC_DAPM_DAC("DAC 1", NULL, SND_SOC_NOPM, 0, 0),
636
637 /* Output Mux */
638 SND_SOC_DAPM_MUX("SPK Mux", SND_SOC_NOPM, 0, 0, &rt298_spo_mux),
639 SND_SOC_DAPM_MUX("HPO Mux", SND_SOC_NOPM, 0, 0, &rt298_hpo_mux),
640
641 SND_SOC_DAPM_SUPPLY("HP Power", RT298_SET_PIN_HPO,
642 RT298_SET_PIN_SFT, 0, NULL, 0),
643
644 /* Output Mixer */
645 SND_SOC_DAPM_MIXER("Front", RT298_SET_POWER(RT298_DAC_OUT1), 0, 1,
646 rt298_front_mix, ARRAY_SIZE(rt298_front_mix)),
647 SND_SOC_DAPM_PGA("Surround", RT298_SET_POWER(RT298_DAC_OUT2), 0, 1,
648 NULL, 0),
649
650 /* Output Pga */
651 SND_SOC_DAPM_SWITCH_E("SPO", SND_SOC_NOPM, 0, 0,
652 &spo_enable_control, rt298_spk_event,
653 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
654 SND_SOC_DAPM_SWITCH("HPO L", SND_SOC_NOPM, 0, 0,
655 &hpol_enable_control),
656 SND_SOC_DAPM_SWITCH("HPO R", SND_SOC_NOPM, 0, 0,
657 &hpor_enable_control),
658
659 /* Output Lines */
660 SND_SOC_DAPM_OUTPUT("SPOL"),
661 SND_SOC_DAPM_OUTPUT("SPOR"),
662 SND_SOC_DAPM_OUTPUT("HPO Pin"),
663 SND_SOC_DAPM_OUTPUT("SPDIF"),
664 };
665
666 static const struct snd_soc_dapm_route rt298_dapm_routes[] = {
667
668 {"ADC 0", NULL, "MCLK MODE", is_mclk_mode},
669 {"ADC 1", NULL, "MCLK MODE", is_mclk_mode},
670 {"Front", NULL, "MCLK MODE", is_mclk_mode},
671 {"Surround", NULL, "MCLK MODE", is_mclk_mode},
672
673 {"HP Power", NULL, "LDO1"},
674 {"HP Power", NULL, "LDO2"},
675 {"HP Power", NULL, "LV"},
676 {"HP Power", NULL, "VREF1"},
677 {"HP Power", NULL, "BG_MBIAS"},
678
679 {"MIC1", NULL, "LDO1"},
680 {"MIC1", NULL, "LDO2"},
681 {"MIC1", NULL, "HV"},
682 {"MIC1", NULL, "LV"},
683 {"MIC1", NULL, "VREF"},
684 {"MIC1", NULL, "VREF1"},
685 {"MIC1", NULL, "BG_MBIAS"},
686 {"MIC1", NULL, "MIC1 Input Buffer"},
687
688 {"SPO", NULL, "LDO1"},
689 {"SPO", NULL, "LDO2"},
690 {"SPO", NULL, "HV"},
691 {"SPO", NULL, "LV"},
692 {"SPO", NULL, "VREF"},
693 {"SPO", NULL, "VREF1"},
694 {"SPO", NULL, "BG_MBIAS"},
695
696 {"DMIC1", NULL, "DMIC1 Pin"},
697 {"DMIC2", NULL, "DMIC2 Pin"},
698 {"DMIC1", NULL, "DMIC Receiver"},
699 {"DMIC2", NULL, "DMIC Receiver"},
700
701 {"RECMIX", "Beep Switch", "Beep"},
702 {"RECMIX", "Line1 Switch", "LINE1"},
703 {"RECMIX", "Mic1 Switch", "MIC1"},
704
705 {"ADC 0 Mux", "Dmic", "DMIC1"},
706 {"ADC 0 Mux", "RECMIX", "RECMIX"},
707 {"ADC 0 Mux", "Mic", "MIC1"},
708 {"ADC 1 Mux", "Dmic", "DMIC2"},
709 {"ADC 1 Mux", "RECMIX", "RECMIX"},
710 {"ADC 1 Mux", "Mic", "MIC1"},
711
712 {"ADC 0", NULL, "ADC 0 Mux"},
713 {"ADC 1", NULL, "ADC 1 Mux"},
714
715 {"AIF1TX", NULL, "ADC 0"},
716 {"AIF2TX", NULL, "ADC 1"},
717
718 {"DAC 0", NULL, "AIF1RX"},
719 {"DAC 1", NULL, "AIF2RX"},
720
721 {"Front", "DAC Switch", "DAC 0"},
722 {"Front", "RECMIX Switch", "RECMIX"},
723
724 {"Surround", NULL, "DAC 1"},
725
726 {"SPK Mux", "Front", "Front"},
727 {"SPK Mux", "Surround", "Surround"},
728
729 {"HPO Mux", "Front", "Front"},
730 {"HPO Mux", "Surround", "Surround"},
731
732 {"SPO", "Switch", "SPK Mux"},
733 {"HPO L", "Switch", "HPO Mux"},
734 {"HPO R", "Switch", "HPO Mux"},
735 {"HPO L", NULL, "HP Power"},
736 {"HPO R", NULL, "HP Power"},
737
738 {"SPOL", NULL, "SPO"},
739 {"SPOR", NULL, "SPO"},
740 {"HPO Pin", NULL, "HPO L"},
741 {"HPO Pin", NULL, "HPO R"},
742 };
743
744 static int rt298_hw_params(struct snd_pcm_substream *substream,
745 struct snd_pcm_hw_params *params,
746 struct snd_soc_dai *dai)
747 {
748 struct snd_soc_codec *codec = dai->codec;
749 struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
750 unsigned int val = 0;
751 int d_len_code;
752
753 switch (params_rate(params)) {
754 /* bit 14 0:48K 1:44.1K */
755 case 44100:
756 case 48000:
757 break;
758 default:
759 dev_err(codec->dev, "Unsupported sample rate %d\n",
760 params_rate(params));
761 return -EINVAL;
762 }
763 switch (rt298->sys_clk) {
764 case 12288000:
765 case 24576000:
766 if (params_rate(params) != 48000) {
767 dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n",
768 params_rate(params), rt298->sys_clk);
769 return -EINVAL;
770 }
771 break;
772 case 11289600:
773 case 22579200:
774 if (params_rate(params) != 44100) {
775 dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n",
776 params_rate(params), rt298->sys_clk);
777 return -EINVAL;
778 }
779 break;
780 }
781
782 if (params_channels(params) <= 16) {
783 /* bit 3:0 Number of Channel */
784 val |= (params_channels(params) - 1);
785 } else {
786 dev_err(codec->dev, "Unsupported channels %d\n",
787 params_channels(params));
788 return -EINVAL;
789 }
790
791 d_len_code = 0;
792 switch (params_width(params)) {
793 /* bit 6:4 Bits per Sample */
794 case 16:
795 d_len_code = 0;
796 val |= (0x1 << 4);
797 break;
798 case 32:
799 d_len_code = 2;
800 val |= (0x4 << 4);
801 break;
802 case 20:
803 d_len_code = 1;
804 val |= (0x2 << 4);
805 break;
806 case 24:
807 d_len_code = 2;
808 val |= (0x3 << 4);
809 break;
810 case 8:
811 d_len_code = 3;
812 break;
813 default:
814 return -EINVAL;
815 }
816
817 snd_soc_update_bits(codec,
818 RT298_I2S_CTRL1, 0x0018, d_len_code << 3);
819 dev_dbg(codec->dev, "format val = 0x%x\n", val);
820
821 snd_soc_update_bits(codec, RT298_DAC_FORMAT, 0x407f, val);
822 snd_soc_update_bits(codec, RT298_ADC_FORMAT, 0x407f, val);
823
824 return 0;
825 }
826
827 static int rt298_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
828 {
829 struct snd_soc_codec *codec = dai->codec;
830
831 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
832 case SND_SOC_DAIFMT_CBM_CFM:
833 snd_soc_update_bits(codec,
834 RT298_I2S_CTRL1, 0x800, 0x800);
835 break;
836 case SND_SOC_DAIFMT_CBS_CFS:
837 snd_soc_update_bits(codec,
838 RT298_I2S_CTRL1, 0x800, 0x0);
839 break;
840 default:
841 return -EINVAL;
842 }
843
844 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
845 case SND_SOC_DAIFMT_I2S:
846 snd_soc_update_bits(codec,
847 RT298_I2S_CTRL1, 0x300, 0x0);
848 break;
849 case SND_SOC_DAIFMT_LEFT_J:
850 snd_soc_update_bits(codec,
851 RT298_I2S_CTRL1, 0x300, 0x1 << 8);
852 break;
853 case SND_SOC_DAIFMT_DSP_A:
854 snd_soc_update_bits(codec,
855 RT298_I2S_CTRL1, 0x300, 0x2 << 8);
856 break;
857 case SND_SOC_DAIFMT_DSP_B:
858 snd_soc_update_bits(codec,
859 RT298_I2S_CTRL1, 0x300, 0x3 << 8);
860 break;
861 default:
862 return -EINVAL;
863 }
864 /* bit 15 Stream Type 0:PCM 1:Non-PCM */
865 snd_soc_update_bits(codec, RT298_DAC_FORMAT, 0x8000, 0);
866 snd_soc_update_bits(codec, RT298_ADC_FORMAT, 0x8000, 0);
867
868 return 0;
869 }
870
871 static int rt298_set_dai_sysclk(struct snd_soc_dai *dai,
872 int clk_id, unsigned int freq, int dir)
873 {
874 struct snd_soc_codec *codec = dai->codec;
875 struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
876
877 dev_dbg(codec->dev, "%s freq=%d\n", __func__, freq);
878
879 if (RT298_SCLK_S_MCLK == clk_id) {
880 snd_soc_update_bits(codec,
881 RT298_I2S_CTRL2, 0x0100, 0x0);
882 snd_soc_update_bits(codec,
883 RT298_PLL_CTRL1, 0x20, 0x20);
884 } else {
885 snd_soc_update_bits(codec,
886 RT298_I2S_CTRL2, 0x0100, 0x0100);
887 snd_soc_update_bits(codec,
888 RT298_PLL_CTRL1, 0x20, 0x0);
889 }
890
891 switch (freq) {
892 case 19200000:
893 if (RT298_SCLK_S_MCLK == clk_id) {
894 dev_err(codec->dev, "Should not use MCLK\n");
895 return -EINVAL;
896 }
897 snd_soc_update_bits(codec,
898 RT298_I2S_CTRL2, 0x40, 0x40);
899 break;
900 case 24000000:
901 if (RT298_SCLK_S_MCLK == clk_id) {
902 dev_err(codec->dev, "Should not use MCLK\n");
903 return -EINVAL;
904 }
905 snd_soc_update_bits(codec,
906 RT298_I2S_CTRL2, 0x40, 0x0);
907 break;
908 case 12288000:
909 case 11289600:
910 snd_soc_update_bits(codec,
911 RT298_I2S_CTRL2, 0x8, 0x0);
912 snd_soc_update_bits(codec,
913 RT298_CLK_DIV, 0xfc1e, 0x0004);
914 break;
915 case 24576000:
916 case 22579200:
917 snd_soc_update_bits(codec,
918 RT298_I2S_CTRL2, 0x8, 0x8);
919 snd_soc_update_bits(codec,
920 RT298_CLK_DIV, 0xfc1e, 0x5406);
921 break;
922 default:
923 dev_err(codec->dev, "Unsupported system clock\n");
924 return -EINVAL;
925 }
926
927 rt298->sys_clk = freq;
928 rt298->clk_id = clk_id;
929
930 return 0;
931 }
932
933 static int rt298_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
934 {
935 struct snd_soc_codec *codec = dai->codec;
936
937 dev_dbg(codec->dev, "%s ratio=%d\n", __func__, ratio);
938 if (50 == ratio)
939 snd_soc_update_bits(codec,
940 RT298_I2S_CTRL1, 0x1000, 0x1000);
941 else
942 snd_soc_update_bits(codec,
943 RT298_I2S_CTRL1, 0x1000, 0x0);
944
945
946 return 0;
947 }
948
949 static int rt298_set_bias_level(struct snd_soc_codec *codec,
950 enum snd_soc_bias_level level)
951 {
952 switch (level) {
953 case SND_SOC_BIAS_PREPARE:
954 if (SND_SOC_BIAS_STANDBY ==
955 snd_soc_codec_get_bias_level(codec)) {
956 snd_soc_write(codec,
957 RT298_SET_AUDIO_POWER, AC_PWRST_D0);
958 snd_soc_update_bits(codec, 0x0d, 0x200, 0x200);
959 snd_soc_update_bits(codec, 0x52, 0x80, 0x0);
960 mdelay(20);
961 snd_soc_update_bits(codec, 0x0d, 0x200, 0x0);
962 snd_soc_update_bits(codec, 0x52, 0x80, 0x80);
963 }
964 break;
965
966 case SND_SOC_BIAS_STANDBY:
967 snd_soc_write(codec,
968 RT298_SET_AUDIO_POWER, AC_PWRST_D3);
969 break;
970
971 default:
972 break;
973 }
974
975 return 0;
976 }
977
978 static irqreturn_t rt298_irq(int irq, void *data)
979 {
980 struct rt298_priv *rt298 = data;
981 bool hp = false;
982 bool mic = false;
983 int ret, status = 0;
984
985 ret = rt298_jack_detect(rt298, &hp, &mic);
986
987 /* Clear IRQ */
988 regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x1, 0x1);
989
990 if (ret == 0) {
991 if (hp == true)
992 status |= SND_JACK_HEADPHONE;
993
994 if (mic == true)
995 status |= SND_JACK_MICROPHONE;
996
997 snd_soc_jack_report(rt298->jack, status,
998 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
999
1000 pm_wakeup_event(&rt298->i2c->dev, 300);
1001 }
1002
1003 return IRQ_HANDLED;
1004 }
1005
1006 static int rt298_probe(struct snd_soc_codec *codec)
1007 {
1008 struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
1009
1010 rt298->codec = codec;
1011
1012 if (rt298->i2c->irq) {
1013 regmap_update_bits(rt298->regmap,
1014 RT298_IRQ_CTRL, 0x2, 0x2);
1015
1016 INIT_DELAYED_WORK(&rt298->jack_detect_work,
1017 rt298_jack_detect_work);
1018 schedule_delayed_work(&rt298->jack_detect_work,
1019 msecs_to_jiffies(1250));
1020 }
1021
1022 return 0;
1023 }
1024
1025 static int rt298_remove(struct snd_soc_codec *codec)
1026 {
1027 struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
1028
1029 cancel_delayed_work_sync(&rt298->jack_detect_work);
1030
1031 return 0;
1032 }
1033
1034 #ifdef CONFIG_PM
1035 static int rt298_suspend(struct snd_soc_codec *codec)
1036 {
1037 struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
1038
1039 rt298->is_hp_in = -1;
1040 regcache_cache_only(rt298->regmap, true);
1041 regcache_mark_dirty(rt298->regmap);
1042
1043 return 0;
1044 }
1045
1046 static int rt298_resume(struct snd_soc_codec *codec)
1047 {
1048 struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
1049
1050 regcache_cache_only(rt298->regmap, false);
1051 rt298_index_sync(codec);
1052 regcache_sync(rt298->regmap);
1053
1054 return 0;
1055 }
1056 #else
1057 #define rt298_suspend NULL
1058 #define rt298_resume NULL
1059 #endif
1060
1061 #define RT298_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
1062 #define RT298_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1063 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
1064
1065 static const struct snd_soc_dai_ops rt298_aif_dai_ops = {
1066 .hw_params = rt298_hw_params,
1067 .set_fmt = rt298_set_dai_fmt,
1068 .set_sysclk = rt298_set_dai_sysclk,
1069 .set_bclk_ratio = rt298_set_bclk_ratio,
1070 };
1071
1072 static struct snd_soc_dai_driver rt298_dai[] = {
1073 {
1074 .name = "rt298-aif1",
1075 .id = RT298_AIF1,
1076 .playback = {
1077 .stream_name = "AIF1 Playback",
1078 .channels_min = 1,
1079 .channels_max = 2,
1080 .rates = RT298_STEREO_RATES,
1081 .formats = RT298_FORMATS,
1082 },
1083 .capture = {
1084 .stream_name = "AIF1 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 .name = "rt298-aif2",
1095 .id = RT298_AIF2,
1096 .playback = {
1097 .stream_name = "AIF2 Playback",
1098 .channels_min = 1,
1099 .channels_max = 2,
1100 .rates = RT298_STEREO_RATES,
1101 .formats = RT298_FORMATS,
1102 },
1103 .capture = {
1104 .stream_name = "AIF2 Capture",
1105 .channels_min = 1,
1106 .channels_max = 2,
1107 .rates = RT298_STEREO_RATES,
1108 .formats = RT298_FORMATS,
1109 },
1110 .ops = &rt298_aif_dai_ops,
1111 .symmetric_rates = 1,
1112 },
1113
1114 };
1115
1116 static const struct snd_soc_codec_driver soc_codec_dev_rt298 = {
1117 .probe = rt298_probe,
1118 .remove = rt298_remove,
1119 .suspend = rt298_suspend,
1120 .resume = rt298_resume,
1121 .set_bias_level = rt298_set_bias_level,
1122 .idle_bias_off = true,
1123 .component_driver = {
1124 .controls = rt298_snd_controls,
1125 .num_controls = ARRAY_SIZE(rt298_snd_controls),
1126 .dapm_widgets = rt298_dapm_widgets,
1127 .num_dapm_widgets = ARRAY_SIZE(rt298_dapm_widgets),
1128 .dapm_routes = rt298_dapm_routes,
1129 .num_dapm_routes = ARRAY_SIZE(rt298_dapm_routes),
1130 },
1131 };
1132
1133 static const struct regmap_config rt298_regmap = {
1134 .reg_bits = 32,
1135 .val_bits = 32,
1136 .max_register = 0x02370100,
1137 .volatile_reg = rt298_volatile_register,
1138 .readable_reg = rt298_readable_register,
1139 .reg_write = rl6347a_hw_write,
1140 .reg_read = rl6347a_hw_read,
1141 .cache_type = REGCACHE_RBTREE,
1142 .reg_defaults = rt298_reg,
1143 .num_reg_defaults = ARRAY_SIZE(rt298_reg),
1144 };
1145
1146 static const struct i2c_device_id rt298_i2c_id[] = {
1147 {"rt298", 0},
1148 {}
1149 };
1150 MODULE_DEVICE_TABLE(i2c, rt298_i2c_id);
1151
1152 static const struct acpi_device_id rt298_acpi_match[] = {
1153 { "INT343A", 0 },
1154 {},
1155 };
1156 MODULE_DEVICE_TABLE(acpi, rt298_acpi_match);
1157
1158 static const struct dmi_system_id force_combo_jack_table[] = {
1159 {
1160 .ident = "Intel Broxton P",
1161 .matches = {
1162 DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp"),
1163 DMI_MATCH(DMI_PRODUCT_NAME, "Broxton P")
1164 }
1165 },
1166 {
1167 .ident = "Intel Gemini Lake",
1168 .matches = {
1169 DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp"),
1170 DMI_MATCH(DMI_PRODUCT_NAME, "Geminilake")
1171 }
1172 },
1173 { }
1174 };
1175
1176 static int rt298_i2c_probe(struct i2c_client *i2c,
1177 const struct i2c_device_id *id)
1178 {
1179 struct rt298_platform_data *pdata = dev_get_platdata(&i2c->dev);
1180 struct rt298_priv *rt298;
1181 struct device *dev = &i2c->dev;
1182 const struct acpi_device_id *acpiid;
1183 int i, ret;
1184
1185 rt298 = devm_kzalloc(&i2c->dev, sizeof(*rt298),
1186 GFP_KERNEL);
1187 if (NULL == rt298)
1188 return -ENOMEM;
1189
1190 rt298->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt298_regmap);
1191 if (IS_ERR(rt298->regmap)) {
1192 ret = PTR_ERR(rt298->regmap);
1193 dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1194 ret);
1195 return ret;
1196 }
1197
1198 regmap_read(rt298->regmap,
1199 RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID), &ret);
1200 if (ret != RT298_VENDOR_ID) {
1201 dev_err(&i2c->dev,
1202 "Device with ID register %#x is not rt298\n", ret);
1203 return -ENODEV;
1204 }
1205
1206 rt298->index_cache = devm_kmemdup(&i2c->dev, rt298_index_def,
1207 sizeof(rt298_index_def), GFP_KERNEL);
1208 if (!rt298->index_cache)
1209 return -ENOMEM;
1210
1211 rt298->index_cache_size = INDEX_CACHE_SIZE;
1212 rt298->i2c = i2c;
1213 i2c_set_clientdata(i2c, rt298);
1214
1215 /* restore codec default */
1216 for (i = 0; i < INDEX_CACHE_SIZE; i++)
1217 regmap_write(rt298->regmap, rt298->index_cache[i].reg,
1218 rt298->index_cache[i].def);
1219 for (i = 0; i < ARRAY_SIZE(rt298_reg); i++)
1220 regmap_write(rt298->regmap, rt298_reg[i].reg,
1221 rt298_reg[i].def);
1222
1223 if (pdata)
1224 rt298->pdata = *pdata;
1225
1226 /* enable jack combo mode on supported devices */
1227 acpiid = acpi_match_device(dev->driver->acpi_match_table, dev);
1228 if (acpiid && acpiid->driver_data) {
1229 rt298->pdata = *(struct rt298_platform_data *)
1230 acpiid->driver_data;
1231 }
1232
1233 if (dmi_check_system(force_combo_jack_table)) {
1234 rt298->pdata.cbj_en = true;
1235 rt298->pdata.gpio2_en = false;
1236 }
1237
1238 /* VREF Charging */
1239 regmap_update_bits(rt298->regmap, 0x04, 0x80, 0x80);
1240 regmap_update_bits(rt298->regmap, 0x1b, 0x860, 0x860);
1241 /* Vref2 */
1242 regmap_update_bits(rt298->regmap, 0x08, 0x20, 0x20);
1243
1244 regmap_write(rt298->regmap, RT298_SET_AUDIO_POWER, AC_PWRST_D3);
1245
1246 for (i = 0; i < RT298_POWER_REG_LEN; i++)
1247 regmap_write(rt298->regmap,
1248 RT298_SET_POWER(rt298_support_power_controls[i]),
1249 AC_PWRST_D1);
1250
1251 if (!rt298->pdata.cbj_en) {
1252 regmap_write(rt298->regmap, RT298_CBJ_CTRL2, 0x0000);
1253 regmap_write(rt298->regmap, RT298_MIC1_DET_CTRL, 0x0816);
1254 regmap_update_bits(rt298->regmap,
1255 RT298_CBJ_CTRL1, 0xf000, 0xb000);
1256 } else {
1257 regmap_update_bits(rt298->regmap,
1258 RT298_CBJ_CTRL1, 0xf000, 0x5000);
1259 }
1260
1261 mdelay(10);
1262
1263 if (!rt298->pdata.gpio2_en)
1264 regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0x40);
1265 else
1266 regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0);
1267
1268 mdelay(10);
1269
1270 regmap_write(rt298->regmap, RT298_MISC_CTRL1, 0x0000);
1271 regmap_update_bits(rt298->regmap,
1272 RT298_WIND_FILTER_CTRL, 0x0082, 0x0082);
1273
1274 regmap_write(rt298->regmap, RT298_UNSOLICITED_INLINE_CMD, 0x81);
1275 regmap_write(rt298->regmap, RT298_UNSOLICITED_HP_OUT, 0x82);
1276 regmap_write(rt298->regmap, RT298_UNSOLICITED_MIC1, 0x84);
1277 regmap_update_bits(rt298->regmap, RT298_IRQ_FLAG_CTRL, 0x2, 0x2);
1278
1279 rt298->is_hp_in = -1;
1280
1281 if (rt298->i2c->irq) {
1282 ret = request_threaded_irq(rt298->i2c->irq, NULL, rt298_irq,
1283 IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "rt298", rt298);
1284 if (ret != 0) {
1285 dev_err(&i2c->dev,
1286 "Failed to reguest IRQ: %d\n", ret);
1287 return ret;
1288 }
1289 }
1290
1291 ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt298,
1292 rt298_dai, ARRAY_SIZE(rt298_dai));
1293
1294 return ret;
1295 }
1296
1297 static int rt298_i2c_remove(struct i2c_client *i2c)
1298 {
1299 struct rt298_priv *rt298 = i2c_get_clientdata(i2c);
1300
1301 if (i2c->irq)
1302 free_irq(i2c->irq, rt298);
1303 snd_soc_unregister_codec(&i2c->dev);
1304
1305 return 0;
1306 }
1307
1308
1309 static struct i2c_driver rt298_i2c_driver = {
1310 .driver = {
1311 .name = "rt298",
1312 .acpi_match_table = ACPI_PTR(rt298_acpi_match),
1313 },
1314 .probe = rt298_i2c_probe,
1315 .remove = rt298_i2c_remove,
1316 .id_table = rt298_i2c_id,
1317 };
1318
1319 module_i2c_driver(rt298_i2c_driver);
1320
1321 MODULE_DESCRIPTION("ASoC RT298 driver");
1322 MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>");
1323 MODULE_LICENSE("GPL");
Linux with added FPC-III support