1 // SPDX-License-Identifier: GPL-2.0-only
3 * rt274.c -- RT274 ALSA SoC audio codec driver
5 * Copyright 2017 Realtek Semiconductor Corp.
9 #include <linux/module.h>
10 #include <linux/moduleparam.h>
11 #include <linux/init.h>
12 #include <linux/delay.h>
14 #include <linux/i2c.h>
15 #include <linux/platform_device.h>
16 #include <linux/spi/spi.h>
17 #include <linux/dmi.h>
18 #include <linux/acpi.h>
19 #include <sound/core.h>
20 #include <sound/pcm.h>
21 #include <sound/pcm_params.h>
22 #include <sound/soc.h>
23 #include <sound/soc-dapm.h>
24 #include <sound/initval.h>
25 #include <sound/tlv.h>
26 #include <sound/jack.h>
27 #include <linux/workqueue.h>
32 #define RT274_VENDOR_ID 0x10ec0274
35 struct reg_default *index_cache;
37 struct regmap *regmap;
38 struct snd_soc_component *component;
39 struct i2c_client *i2c;
40 struct snd_soc_jack *jack;
41 struct delayed_work jack_detect_work;
48 static const struct reg_default rt274_index_def[] = {
178 #define INDEX_CACHE_SIZE ARRAY_SIZE(rt274_index_def)
180 static const struct reg_default rt274_reg[] = {
181 { 0x00170500, 0x00000400 },
182 { 0x00220000, 0x00000031 },
183 { 0x00239000, 0x00000057 },
184 { 0x0023a000, 0x00000057 },
185 { 0x00270500, 0x00000400 },
186 { 0x00370500, 0x00000400 },
187 { 0x00870500, 0x00000400 },
188 { 0x00920000, 0x00000031 },
189 { 0x00935000, 0x00000097 },
190 { 0x00936000, 0x00000097 },
191 { 0x00970500, 0x00000400 },
192 { 0x00b37000, 0x00000400 },
193 { 0x00b37200, 0x00000400 },
194 { 0x00b37300, 0x00000400 },
195 { 0x00c37000, 0x00000400 },
196 { 0x00c37100, 0x00000400 },
197 { 0x01270500, 0x00000400 },
198 { 0x01370500, 0x00000400 },
199 { 0x01371f00, 0x411111f0 },
200 { 0x01937000, 0x00000000 },
201 { 0x01970500, 0x00000400 },
202 { 0x02050000, 0x0000001b },
203 { 0x02139000, 0x00000080 },
204 { 0x0213a000, 0x00000080 },
205 { 0x02170100, 0x00000001 },
206 { 0x02170500, 0x00000400 },
207 { 0x02170700, 0x00000000 },
208 { 0x02270100, 0x00000000 },
209 { 0x02370100, 0x00000000 },
210 { 0x01970700, 0x00000020 },
211 { 0x00830000, 0x00000097 },
212 { 0x00930000, 0x00000097 },
213 { 0x01270700, 0x00000000 },
216 static bool rt274_volatile_register(struct device *dev, unsigned int reg)
220 case RT274_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
221 case RT274_GET_HP_SENSE:
222 case RT274_GET_MIC_SENSE:
223 case RT274_PROC_COEF:
224 case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT274_MIC, 0):
225 case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT274_HP_OUT, 0):
226 case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_DAC_OUT0, 0):
227 case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_DAC_OUT1, 0):
228 case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_ADC_IN1, 0):
229 case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_ADC_IN2, 0):
230 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DAC_OUT0, 0):
231 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DAC_OUT1, 0):
232 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_ADC_IN1, 0):
233 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_ADC_IN2, 0):
234 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DMIC1, 0):
235 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DMIC2, 0):
236 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_MIC, 0):
237 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_LINE1, 0):
238 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_LINE2, 0):
239 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_HP_OUT, 0):
240 case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_HP_OUT, 0):
241 case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_MIXER_IN1, 0):
242 case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_MIXER_IN2, 0):
243 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_DMIC1, 0):
244 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_DMIC2, 0):
245 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_MIC, 0):
246 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_LINE1, 0):
247 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_LINE2, 0):
248 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_HP_OUT, 0):
249 case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_HP_OUT, 0):
250 case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_MIC, 0):
251 case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_INLINE_CMD, 0):
260 static bool rt274_readable_register(struct device *dev, unsigned int reg)
264 case RT274_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
265 case RT274_GET_HP_SENSE:
266 case RT274_GET_MIC_SENSE:
267 case RT274_SET_AUDIO_POWER:
268 case RT274_SET_HPO_POWER:
269 case RT274_SET_DMIC1_POWER:
275 case RT274_SET_PIN_HPO:
276 case RT274_SET_PIN_LOUT3:
277 case RT274_SET_PIN_DMIC1:
278 case RT274_SET_AMP_GAIN_HPO:
279 case RT274_SET_DMIC2_DEFAULT:
280 case RT274_DAC0L_GAIN:
281 case RT274_DAC0R_GAIN:
282 case RT274_DAC1L_GAIN:
283 case RT274_DAC1R_GAIN:
284 case RT274_ADCL_GAIN:
285 case RT274_ADCR_GAIN:
287 case RT274_HPOL_GAIN:
288 case RT274_HPOR_GAIN:
289 case RT274_LOUTL_GAIN:
290 case RT274_LOUTR_GAIN:
291 case RT274_DAC_FORMAT:
292 case RT274_ADC_FORMAT:
293 case RT274_COEF_INDEX:
294 case RT274_PROC_COEF:
295 case RT274_SET_AMP_GAIN_ADC_IN1:
296 case RT274_SET_AMP_GAIN_ADC_IN2:
297 case RT274_SET_POWER(RT274_DAC_OUT0):
298 case RT274_SET_POWER(RT274_DAC_OUT1):
299 case RT274_SET_POWER(RT274_ADC_IN1):
300 case RT274_SET_POWER(RT274_ADC_IN2):
301 case RT274_SET_POWER(RT274_DMIC2):
302 case RT274_SET_POWER(RT274_MIC):
303 case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT274_MIC, 0):
304 case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT274_HP_OUT, 0):
305 case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_DAC_OUT0, 0):
306 case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_DAC_OUT1, 0):
307 case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_ADC_IN1, 0):
308 case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_ADC_IN2, 0):
309 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DAC_OUT0, 0):
310 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DAC_OUT1, 0):
311 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_ADC_IN1, 0):
312 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_ADC_IN2, 0):
313 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DMIC1, 0):
314 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DMIC2, 0):
315 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_MIC, 0):
316 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_LINE1, 0):
317 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_LINE2, 0):
318 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_HP_OUT, 0):
319 case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_HP_OUT, 0):
320 case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_MIXER_IN1, 0):
321 case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_MIXER_IN2, 0):
322 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_DMIC1, 0):
323 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_DMIC2, 0):
324 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_MIC, 0):
325 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_LINE1, 0):
326 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_LINE2, 0):
327 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_HP_OUT, 0):
328 case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_HP_OUT, 0):
329 case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_MIC, 0):
330 case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_INLINE_CMD, 0):
338 static void rt274_index_sync(struct snd_soc_component *component)
340 struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component);
343 for (i = 0; i < INDEX_CACHE_SIZE; i++) {
344 snd_soc_component_write(component, rt274->index_cache[i].reg,
345 rt274->index_cache[i].def);
350 static int rt274_jack_detect(struct rt274_priv *rt274, bool *hp, bool *mic)
358 if (!rt274->component)
361 ret = regmap_read(rt274->regmap, RT274_GET_HP_SENSE, &buf);
365 *hp = buf & 0x80000000;
366 ret = regmap_read(rt274->regmap, RT274_GET_MIC_SENSE, &buf);
370 *mic = buf & 0x80000000;
372 pr_debug("*hp = %d *mic = %d\n", *hp, *mic);
377 static void rt274_jack_detect_work(struct work_struct *work)
379 struct rt274_priv *rt274 =
380 container_of(work, struct rt274_priv, jack_detect_work.work);
385 if (rt274_jack_detect(rt274, &hp, &mic) < 0)
389 status |= SND_JACK_HEADPHONE;
392 status |= SND_JACK_MICROPHONE;
394 snd_soc_jack_report(rt274->jack, status,
395 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
398 static irqreturn_t rt274_irq(int irq, void *data);
400 static int rt274_mic_detect(struct snd_soc_component *component,
401 struct snd_soc_jack *jack, void *data)
403 struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component);
408 /* Disable jack detection */
409 regmap_update_bits(rt274->regmap, RT274_EAPD_GPIO_IRQ_CTRL,
410 RT274_IRQ_EN, RT274_IRQ_DIS);
415 regmap_update_bits(rt274->regmap, RT274_EAPD_GPIO_IRQ_CTRL,
416 RT274_IRQ_EN, RT274_IRQ_EN);
418 /* Send an initial report */
424 static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0);
425 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
427 static const struct snd_kcontrol_new rt274_snd_controls[] = {
428 SOC_DOUBLE_R_TLV("DAC0 Playback Volume", RT274_DAC0L_GAIN,
429 RT274_DAC0R_GAIN, 0, 0x7f, 0, out_vol_tlv),
430 SOC_DOUBLE_R_TLV("DAC1 Playback Volume", RT274_DAC1L_GAIN,
431 RT274_DAC1R_GAIN, 0, 0x7f, 0, out_vol_tlv),
432 SOC_DOUBLE_R_TLV("ADC0 Capture Volume", RT274_ADCL_GAIN,
433 RT274_ADCR_GAIN, 0, 0x7f, 0, out_vol_tlv),
434 SOC_DOUBLE_R("ADC0 Capture Switch", RT274_ADCL_GAIN,
435 RT274_ADCR_GAIN, RT274_MUTE_SFT, 1, 1),
436 SOC_SINGLE_TLV("AMIC Volume", RT274_MIC_GAIN,
437 0, 0x3, 0, mic_vol_tlv),
440 static const struct snd_kcontrol_new hpol_enable_control =
441 SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT274_HPOL_GAIN,
442 RT274_MUTE_SFT, 1, 1);
444 static const struct snd_kcontrol_new hpor_enable_control =
445 SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT274_HPOR_GAIN,
446 RT274_MUTE_SFT, 1, 1);
448 static const struct snd_kcontrol_new loutl_enable_control =
449 SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT274_LOUTL_GAIN,
450 RT274_MUTE_SFT, 1, 1);
452 static const struct snd_kcontrol_new loutr_enable_control =
453 SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT274_LOUTR_GAIN,
454 RT274_MUTE_SFT, 1, 1);
457 static const char * const rt274_adc_src[] = {
458 "Mic", "Line1", "Line2", "Dmic"
461 static SOC_ENUM_SINGLE_DECL(
462 rt274_adc0_enum, RT274_ADC0_MUX, RT274_ADC_SEL_SFT,
465 static const struct snd_kcontrol_new rt274_adc0_mux =
466 SOC_DAPM_ENUM("ADC 0 source", rt274_adc0_enum);
468 static SOC_ENUM_SINGLE_DECL(
469 rt274_adc1_enum, RT274_ADC1_MUX, RT274_ADC_SEL_SFT,
472 static const struct snd_kcontrol_new rt274_adc1_mux =
473 SOC_DAPM_ENUM("ADC 1 source", rt274_adc1_enum);
475 static const char * const rt274_dac_src[] = {
476 "DAC OUT0", "DAC OUT1"
479 static SOC_ENUM_SINGLE_DECL(rt274_hpo_enum, RT274_HPO_MUX,
482 static const struct snd_kcontrol_new rt274_hpo_mux =
483 SOC_DAPM_ENUM("HPO source", rt274_hpo_enum);
485 /* Line out source */
486 static SOC_ENUM_SINGLE_DECL(rt274_lout_enum, RT274_LOUT_MUX,
489 static const struct snd_kcontrol_new rt274_lout_mux =
490 SOC_DAPM_ENUM("LOUT source", rt274_lout_enum);
492 static const struct snd_soc_dapm_widget rt274_dapm_widgets[] = {
494 SND_SOC_DAPM_INPUT("DMIC1 Pin"),
495 SND_SOC_DAPM_INPUT("DMIC2 Pin"),
496 SND_SOC_DAPM_INPUT("MIC"),
497 SND_SOC_DAPM_INPUT("LINE1"),
498 SND_SOC_DAPM_INPUT("LINE2"),
501 SND_SOC_DAPM_PGA("DMIC1", SND_SOC_NOPM, 0, 0, NULL, 0),
502 SND_SOC_DAPM_PGA("DMIC2", SND_SOC_NOPM, 0, 0, NULL, 0),
505 SND_SOC_DAPM_ADC("ADC 0", NULL, RT274_SET_STREAMID_ADC1, 4, 0),
506 SND_SOC_DAPM_ADC("ADC 1", NULL, RT274_SET_STREAMID_ADC2, 4, 0),
509 SND_SOC_DAPM_MUX("ADC 0 Mux", SND_SOC_NOPM, 0, 0,
511 SND_SOC_DAPM_MUX("ADC 1 Mux", SND_SOC_NOPM, 0, 0,
514 /* Audio Interface */
515 SND_SOC_DAPM_AIF_IN("AIF1RXL", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
516 SND_SOC_DAPM_AIF_IN("AIF1RXR", "AIF1 Playback", 1, SND_SOC_NOPM, 0, 0),
517 SND_SOC_DAPM_AIF_OUT("AIF1TXL", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
518 SND_SOC_DAPM_AIF_OUT("AIF1TXR", "AIF1 Capture", 1, SND_SOC_NOPM, 0, 0),
519 SND_SOC_DAPM_AIF_IN("AIF2RXL", "AIF1 Playback", 2, SND_SOC_NOPM, 0, 0),
520 SND_SOC_DAPM_AIF_IN("AIF2RXR", "AIF1 Playback", 3, SND_SOC_NOPM, 0, 0),
521 SND_SOC_DAPM_AIF_OUT("AIF2TXL", "AIF1 Capture", 2, SND_SOC_NOPM, 0, 0),
522 SND_SOC_DAPM_AIF_OUT("AIF2TXR", "AIF1 Capture", 3, SND_SOC_NOPM, 0, 0),
526 SND_SOC_DAPM_DAC("DAC 0", NULL, RT274_SET_STREAMID_DAC0, 4, 0),
527 SND_SOC_DAPM_DAC("DAC 1", NULL, RT274_SET_STREAMID_DAC1, 4, 0),
530 SND_SOC_DAPM_MUX("HPO Mux", SND_SOC_NOPM, 0, 0, &rt274_hpo_mux),
531 SND_SOC_DAPM_MUX("LOUT Mux", SND_SOC_NOPM, 0, 0, &rt274_lout_mux),
533 SND_SOC_DAPM_SUPPLY("HP Power", RT274_SET_PIN_HPO,
534 RT274_SET_PIN_SFT, 0, NULL, 0),
535 SND_SOC_DAPM_SUPPLY("LOUT Power", RT274_SET_PIN_LOUT3,
536 RT274_SET_PIN_SFT, 0, NULL, 0),
539 SND_SOC_DAPM_PGA("DAC OUT0", SND_SOC_NOPM, 0, 0,
541 SND_SOC_DAPM_PGA("DAC OUT1", SND_SOC_NOPM, 0, 0,
545 SND_SOC_DAPM_SWITCH("LOUT L", SND_SOC_NOPM, 0, 0,
546 &loutl_enable_control),
547 SND_SOC_DAPM_SWITCH("LOUT R", SND_SOC_NOPM, 0, 0,
548 &loutr_enable_control),
549 SND_SOC_DAPM_SWITCH("HPO L", SND_SOC_NOPM, 0, 0,
550 &hpol_enable_control),
551 SND_SOC_DAPM_SWITCH("HPO R", SND_SOC_NOPM, 0, 0,
552 &hpor_enable_control),
555 SND_SOC_DAPM_OUTPUT("HPO Pin"),
556 SND_SOC_DAPM_OUTPUT("SPDIF"),
557 SND_SOC_DAPM_OUTPUT("LINE3"),
560 static const struct snd_soc_dapm_route rt274_dapm_routes[] = {
561 {"DMIC1", NULL, "DMIC1 Pin"},
562 {"DMIC2", NULL, "DMIC2 Pin"},
564 {"ADC 0 Mux", "Mic", "MIC"},
565 {"ADC 0 Mux", "Dmic", "DMIC1"},
566 {"ADC 0 Mux", "Line1", "LINE1"},
567 {"ADC 0 Mux", "Line2", "LINE2"},
568 {"ADC 1 Mux", "Mic", "MIC"},
569 {"ADC 1 Mux", "Dmic", "DMIC2"},
570 {"ADC 1 Mux", "Line1", "LINE1"},
571 {"ADC 1 Mux", "Line2", "LINE2"},
573 {"ADC 0", NULL, "ADC 0 Mux"},
574 {"ADC 1", NULL, "ADC 1 Mux"},
576 {"AIF1TXL", NULL, "ADC 0"},
577 {"AIF1TXR", NULL, "ADC 0"},
578 {"AIF2TXL", NULL, "ADC 1"},
579 {"AIF2TXR", NULL, "ADC 1"},
581 {"DAC 0", NULL, "AIF1RXL"},
582 {"DAC 0", NULL, "AIF1RXR"},
583 {"DAC 1", NULL, "AIF2RXL"},
584 {"DAC 1", NULL, "AIF2RXR"},
586 {"DAC OUT0", NULL, "DAC 0"},
588 {"DAC OUT1", NULL, "DAC 1"},
590 {"LOUT Mux", "DAC OUT0", "DAC OUT0"},
591 {"LOUT Mux", "DAC OUT1", "DAC OUT1"},
593 {"LOUT L", "Switch", "LOUT Mux"},
594 {"LOUT R", "Switch", "LOUT Mux"},
595 {"LOUT L", NULL, "LOUT Power"},
596 {"LOUT R", NULL, "LOUT Power"},
598 {"LINE3", NULL, "LOUT L"},
599 {"LINE3", NULL, "LOUT R"},
601 {"HPO Mux", "DAC OUT0", "DAC OUT0"},
602 {"HPO Mux", "DAC OUT1", "DAC OUT1"},
604 {"HPO L", "Switch", "HPO Mux"},
605 {"HPO R", "Switch", "HPO Mux"},
606 {"HPO L", NULL, "HP Power"},
607 {"HPO R", NULL, "HP Power"},
609 {"HPO Pin", NULL, "HPO L"},
610 {"HPO Pin", NULL, "HPO R"},
613 static int rt274_hw_params(struct snd_pcm_substream *substream,
614 struct snd_pcm_hw_params *params,
615 struct snd_soc_dai *dai)
617 struct snd_soc_component *component = dai->component;
618 struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component);
619 unsigned int val = 0;
620 int d_len_code = 0, c_len_code = 0;
622 switch (params_rate(params)) {
623 /* bit 14 0:48K 1:44.1K */
628 dev_err(component->dev, "Unsupported sample rate %d\n",
629 params_rate(params));
632 switch (rt274->sys_clk) {
635 if (params_rate(params) != 48000) {
636 dev_err(component->dev, "Sys_clk is not matched (%d %d)\n",
637 params_rate(params), rt274->sys_clk);
643 if (params_rate(params) != 44100) {
644 dev_err(component->dev, "Sys_clk is not matched (%d %d)\n",
645 params_rate(params), rt274->sys_clk);
651 if (params_channels(params) <= 16) {
652 /* bit 3:0 Number of Channel */
653 val |= (params_channels(params) - 1);
655 dev_err(component->dev, "Unsupported channels %d\n",
656 params_channels(params));
660 switch (params_width(params)) {
661 /* bit 6:4 Bits per Sample */
693 snd_soc_component_update_bits(component,
694 RT274_I2S_CTRL1, 0xc018, d_len_code << 3 | c_len_code << 14);
695 dev_dbg(component->dev, "format val = 0x%x\n", val);
697 snd_soc_component_update_bits(component, RT274_DAC_FORMAT, 0x407f, val);
698 snd_soc_component_update_bits(component, RT274_ADC_FORMAT, 0x407f, val);
703 static int rt274_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
705 struct snd_soc_component *component = dai->component;
706 struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component);
708 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
709 case SND_SOC_DAIFMT_CBM_CFM:
710 snd_soc_component_update_bits(component,
711 RT274_I2S_CTRL1, RT274_I2S_MODE_MASK, RT274_I2S_MODE_M);
712 rt274->master = true;
714 case SND_SOC_DAIFMT_CBS_CFS:
715 snd_soc_component_update_bits(component,
716 RT274_I2S_CTRL1, RT274_I2S_MODE_MASK, RT274_I2S_MODE_S);
717 rt274->master = false;
723 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
724 case SND_SOC_DAIFMT_I2S:
725 snd_soc_component_update_bits(component, RT274_I2S_CTRL1,
726 RT274_I2S_FMT_MASK, RT274_I2S_FMT_I2S);
728 case SND_SOC_DAIFMT_LEFT_J:
729 snd_soc_component_update_bits(component, RT274_I2S_CTRL1,
730 RT274_I2S_FMT_MASK, RT274_I2S_FMT_LJ);
732 case SND_SOC_DAIFMT_DSP_A:
733 snd_soc_component_update_bits(component, RT274_I2S_CTRL1,
734 RT274_I2S_FMT_MASK, RT274_I2S_FMT_PCMA);
736 case SND_SOC_DAIFMT_DSP_B:
737 snd_soc_component_update_bits(component, RT274_I2S_CTRL1,
738 RT274_I2S_FMT_MASK, RT274_I2S_FMT_PCMB);
743 /* bit 15 Stream Type 0:PCM 1:Non-PCM */
744 snd_soc_component_update_bits(component, RT274_DAC_FORMAT, 0x8000, 0);
745 snd_soc_component_update_bits(component, RT274_ADC_FORMAT, 0x8000, 0);
750 static int rt274_set_dai_pll(struct snd_soc_dai *dai, int pll_id, int source,
751 unsigned int freq_in, unsigned int freq_out)
753 struct snd_soc_component *component = dai->component;
754 struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component);
757 case RT274_PLL2_S_MCLK:
758 snd_soc_component_update_bits(component, RT274_PLL2_CTRL,
759 RT274_PLL2_SRC_MASK, RT274_PLL2_SRC_MCLK);
762 dev_warn(component->dev, "invalid pll source, use BCLK\n");
764 case RT274_PLL2_S_BCLK:
765 snd_soc_component_update_bits(component, RT274_PLL2_CTRL,
766 RT274_PLL2_SRC_MASK, RT274_PLL2_SRC_BCLK);
770 if (source == RT274_PLL2_S_BCLK) {
771 snd_soc_component_update_bits(component, RT274_MCLK_CTRL,
772 (0x3 << 12), (0x3 << 12));
775 snd_soc_component_write(component, 0x7a, 0xaab6);
776 snd_soc_component_write(component, 0x7b, 0x0301);
777 snd_soc_component_write(component, 0x7c, 0x04fe);
780 snd_soc_component_write(component, 0x7a, 0xaa96);
781 snd_soc_component_write(component, 0x7b, 0x8003);
782 snd_soc_component_write(component, 0x7c, 0x081e);
785 snd_soc_component_write(component, 0x7a, 0xaa96);
786 snd_soc_component_write(component, 0x7b, 0x8003);
787 snd_soc_component_write(component, 0x7c, 0x080e);
790 dev_warn(component->dev, "invalid freq_in, assume 4.8M\n");
793 snd_soc_component_write(component, 0x7a, 0xaab6);
794 snd_soc_component_write(component, 0x7b, 0x0301);
795 snd_soc_component_write(component, 0x7c, 0x047e);
803 static int rt274_set_dai_sysclk(struct snd_soc_dai *dai,
804 int clk_id, unsigned int freq, int dir)
806 struct snd_soc_component *component = dai->component;
807 struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component);
808 unsigned int clk_src, mclk_en;
810 dev_dbg(component->dev, "%s freq=%d\n", __func__, freq);
813 case RT274_SCLK_S_MCLK:
814 mclk_en = RT274_MCLK_MODE_EN;
815 clk_src = RT274_CLK_SRC_MCLK;
817 case RT274_SCLK_S_PLL1:
818 mclk_en = RT274_MCLK_MODE_DIS;
819 clk_src = RT274_CLK_SRC_MCLK;
821 case RT274_SCLK_S_PLL2:
822 mclk_en = RT274_MCLK_MODE_EN;
823 clk_src = RT274_CLK_SRC_PLL2;
826 mclk_en = RT274_MCLK_MODE_DIS;
827 clk_src = RT274_CLK_SRC_MCLK;
828 dev_warn(component->dev, "invalid sysclk source, use PLL1\n");
831 snd_soc_component_update_bits(component, RT274_MCLK_CTRL,
832 RT274_MCLK_MODE_MASK, mclk_en);
833 snd_soc_component_update_bits(component, RT274_CLK_CTRL,
834 RT274_CLK_SRC_MASK, clk_src);
838 if (clk_id == RT274_SCLK_S_MCLK) {
839 dev_err(component->dev, "Should not use MCLK\n");
842 snd_soc_component_update_bits(component,
843 RT274_I2S_CTRL2, 0x40, 0x40);
846 if (clk_id == RT274_SCLK_S_MCLK) {
847 dev_err(component->dev, "Should not use MCLK\n");
850 snd_soc_component_update_bits(component,
851 RT274_I2S_CTRL2, 0x40, 0x0);
855 snd_soc_component_update_bits(component,
856 RT274_MCLK_CTRL, 0x1fcf, 0x0008);
860 snd_soc_component_update_bits(component,
861 RT274_MCLK_CTRL, 0x1fcf, 0x1543);
864 dev_err(component->dev, "Unsupported system clock\n");
868 rt274->sys_clk = freq;
869 rt274->clk_id = clk_id;
874 static int rt274_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
876 struct snd_soc_component *component = dai->component;
877 struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component);
879 dev_dbg(component->dev, "%s ratio=%d\n", __func__, ratio);
881 if ((ratio / 50) == 0)
882 snd_soc_component_update_bits(component,
883 RT274_I2S_CTRL1, 0x1000, 0x1000);
885 snd_soc_component_update_bits(component,
886 RT274_I2S_CTRL1, 0x1000, 0x0);
892 static int rt274_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
893 unsigned int rx_mask, int slots, int slot_width)
896 struct snd_soc_component *component = dai->component;
898 if (rx_mask || tx_mask) {
899 snd_soc_component_update_bits(component,
900 RT274_I2S_CTRL1, RT274_TDM_EN, RT274_TDM_EN);
902 snd_soc_component_update_bits(component,
903 RT274_I2S_CTRL1, RT274_TDM_EN, RT274_TDM_DIS);
909 snd_soc_component_update_bits(component,
910 RT274_I2S_CTRL1, RT274_TDM_CH_NUM, RT274_TDM_4CH);
913 snd_soc_component_update_bits(component,
914 RT274_I2S_CTRL1, RT274_TDM_CH_NUM, RT274_TDM_2CH);
917 dev_err(component->dev,
918 "Support 2 or 4 slots TDM only\n");
925 static int rt274_set_bias_level(struct snd_soc_component *component,
926 enum snd_soc_bias_level level)
929 case SND_SOC_BIAS_PREPARE:
930 if (SND_SOC_BIAS_STANDBY ==
931 snd_soc_component_get_bias_level(component)) {
932 snd_soc_component_write(component,
933 RT274_SET_AUDIO_POWER, AC_PWRST_D0);
937 case SND_SOC_BIAS_STANDBY:
938 snd_soc_component_write(component,
939 RT274_SET_AUDIO_POWER, AC_PWRST_D3);
949 static irqreturn_t rt274_irq(int irq, void *data)
951 struct rt274_priv *rt274 = data;
957 regmap_update_bits(rt274->regmap, RT274_EAPD_GPIO_IRQ_CTRL,
958 RT274_IRQ_CLR, RT274_IRQ_CLR);
960 ret = rt274_jack_detect(rt274, &hp, &mic);
964 status |= SND_JACK_HEADPHONE;
967 status |= SND_JACK_MICROPHONE;
969 snd_soc_jack_report(rt274->jack, status,
970 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
972 pm_wakeup_event(&rt274->i2c->dev, 300);
978 static int rt274_probe(struct snd_soc_component *component)
980 struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component);
982 rt274->component = component;
983 INIT_DELAYED_WORK(&rt274->jack_detect_work, rt274_jack_detect_work);
986 schedule_delayed_work(&rt274->jack_detect_work,
987 msecs_to_jiffies(1250));
991 static void rt274_remove(struct snd_soc_component *component)
993 struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component);
995 cancel_delayed_work_sync(&rt274->jack_detect_work);
996 rt274->component = NULL;
1000 static int rt274_suspend(struct snd_soc_component *component)
1002 struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component);
1004 regcache_cache_only(rt274->regmap, true);
1005 regcache_mark_dirty(rt274->regmap);
1010 static int rt274_resume(struct snd_soc_component *component)
1012 struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component);
1014 regcache_cache_only(rt274->regmap, false);
1015 rt274_index_sync(component);
1016 regcache_sync(rt274->regmap);
1021 #define rt274_suspend NULL
1022 #define rt274_resume NULL
1025 #define RT274_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
1026 #define RT274_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1027 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
1029 static const struct snd_soc_dai_ops rt274_aif_dai_ops = {
1030 .hw_params = rt274_hw_params,
1031 .set_fmt = rt274_set_dai_fmt,
1032 .set_sysclk = rt274_set_dai_sysclk,
1033 .set_pll = rt274_set_dai_pll,
1034 .set_bclk_ratio = rt274_set_bclk_ratio,
1035 .set_tdm_slot = rt274_set_tdm_slot,
1038 static struct snd_soc_dai_driver rt274_dai[] = {
1040 .name = "rt274-aif1",
1043 .stream_name = "AIF1 Playback",
1046 .rates = RT274_STEREO_RATES,
1047 .formats = RT274_FORMATS,
1050 .stream_name = "AIF1 Capture",
1053 .rates = RT274_STEREO_RATES,
1054 .formats = RT274_FORMATS,
1056 .ops = &rt274_aif_dai_ops,
1057 .symmetric_rate = 1,
1061 static const struct snd_soc_component_driver soc_component_dev_rt274 = {
1062 .probe = rt274_probe,
1063 .remove = rt274_remove,
1064 .suspend = rt274_suspend,
1065 .resume = rt274_resume,
1066 .set_bias_level = rt274_set_bias_level,
1067 .set_jack = rt274_mic_detect,
1068 .controls = rt274_snd_controls,
1069 .num_controls = ARRAY_SIZE(rt274_snd_controls),
1070 .dapm_widgets = rt274_dapm_widgets,
1071 .num_dapm_widgets = ARRAY_SIZE(rt274_dapm_widgets),
1072 .dapm_routes = rt274_dapm_routes,
1073 .num_dapm_routes = ARRAY_SIZE(rt274_dapm_routes),
1074 .use_pmdown_time = 1,
1078 static const struct regmap_config rt274_regmap = {
1081 .max_register = 0x05bfffff,
1082 .volatile_reg = rt274_volatile_register,
1083 .readable_reg = rt274_readable_register,
1084 .reg_write = rl6347a_hw_write,
1085 .reg_read = rl6347a_hw_read,
1086 .cache_type = REGCACHE_RBTREE,
1087 .reg_defaults = rt274_reg,
1088 .num_reg_defaults = ARRAY_SIZE(rt274_reg),
1092 static const struct of_device_id rt274_of_match[] = {
1093 {.compatible = "realtek,rt274"},
1096 MODULE_DEVICE_TABLE(of, rt274_of_match);
1099 static const struct i2c_device_id rt274_i2c_id[] = {
1103 MODULE_DEVICE_TABLE(i2c, rt274_i2c_id);
1106 static const struct acpi_device_id rt274_acpi_match[] = {
1111 MODULE_DEVICE_TABLE(acpi, rt274_acpi_match);
1114 static int rt274_i2c_probe(struct i2c_client *i2c)
1116 struct rt274_priv *rt274;
1121 rt274 = devm_kzalloc(&i2c->dev, sizeof(*rt274),
1126 rt274->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt274_regmap);
1127 if (IS_ERR(rt274->regmap)) {
1128 ret = PTR_ERR(rt274->regmap);
1129 dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1134 ret = regmap_read(rt274->regmap,
1135 RT274_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID), &val);
1139 if (val != RT274_VENDOR_ID) {
1141 "Device with ID register %#x is not rt274\n", val);
1145 rt274->index_cache = devm_kmemdup(&i2c->dev, rt274_index_def,
1146 sizeof(rt274_index_def), GFP_KERNEL);
1147 if (!rt274->index_cache)
1150 rt274->index_cache_size = INDEX_CACHE_SIZE;
1152 i2c_set_clientdata(i2c, rt274);
1155 regmap_write(rt274->regmap, RT274_RESET, 0);
1156 regmap_update_bits(rt274->regmap, 0x1a, 0x4000, 0x4000);
1158 /* Set Pad PDB is floating */
1159 regmap_update_bits(rt274->regmap, RT274_PAD_CTRL12, 0x3, 0x0);
1160 regmap_write(rt274->regmap, RT274_COEF5b_INDEX, 0x01);
1161 regmap_write(rt274->regmap, RT274_COEF5b_COEF, 0x8540);
1162 regmap_update_bits(rt274->regmap, 0x6f, 0x0100, 0x0100);
1163 /* Combo jack auto detect */
1164 regmap_write(rt274->regmap, 0x4a, 0x201b);
1166 regmap_update_bits(rt274->regmap, 0x6f, 0x3000, 0x2000);
1167 /* HP DC Calibration */
1168 regmap_update_bits(rt274->regmap, 0x6f, 0xf, 0x0);
1169 /* Set NID=58h.Index 00h [15]= 1b; */
1170 regmap_write(rt274->regmap, RT274_COEF58_INDEX, 0x00);
1171 regmap_write(rt274->regmap, RT274_COEF58_COEF, 0xb888);
1173 regmap_update_bits(rt274->regmap, 0x6f, 0xf, 0xb);
1174 regmap_write(rt274->regmap, RT274_COEF58_INDEX, 0x00);
1175 regmap_write(rt274->regmap, RT274_COEF58_COEF, 0x3888);
1176 /* Set pin widget */
1177 regmap_write(rt274->regmap, RT274_SET_PIN_HPO, 0x40);
1178 regmap_write(rt274->regmap, RT274_SET_PIN_LOUT3, 0x40);
1179 regmap_write(rt274->regmap, RT274_SET_MIC, 0x20);
1180 regmap_write(rt274->regmap, RT274_SET_PIN_DMIC1, 0x20);
1182 regmap_update_bits(rt274->regmap, RT274_I2S_CTRL2, 0xc004, 0x4004);
1183 regmap_update_bits(rt274->regmap, RT274_EAPD_GPIO_IRQ_CTRL,
1184 RT274_GPI2_SEL_MASK, RT274_GPI2_SEL_DMIC_CLK);
1186 /* jack detection */
1187 regmap_write(rt274->regmap, RT274_UNSOLICITED_HP_OUT, 0x81);
1188 regmap_write(rt274->regmap, RT274_UNSOLICITED_MIC, 0x82);
1190 if (rt274->i2c->irq) {
1191 ret = request_threaded_irq(rt274->i2c->irq, NULL, rt274_irq,
1192 IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "rt274", rt274);
1195 "Failed to request IRQ: %d\n", ret);
1200 ret = devm_snd_soc_register_component(&i2c->dev,
1201 &soc_component_dev_rt274,
1202 rt274_dai, ARRAY_SIZE(rt274_dai));
1207 static void rt274_i2c_remove(struct i2c_client *i2c)
1209 struct rt274_priv *rt274 = i2c_get_clientdata(i2c);
1212 free_irq(i2c->irq, rt274);
1216 static struct i2c_driver rt274_i2c_driver = {
1219 .acpi_match_table = ACPI_PTR(rt274_acpi_match),
1221 .of_match_table = of_match_ptr(rt274_of_match),
1224 .probe = rt274_i2c_probe,
1225 .remove = rt274_i2c_remove,
1226 .id_table = rt274_i2c_id,
1229 module_i2c_driver(rt274_i2c_driver);
1231 MODULE_DESCRIPTION("ASoC RT274 driver");
1233 MODULE_LICENSE("GPL v2");