x86/speculation/mds: Fix documentation typo
[linux/fpc-iii.git] / sound / soc / codecs / rt274.c
blobcd048df762327cd43b189d9a3f7d6b94e2c9eaa4
1 /*
2 * rt274.c -- RT274 ALSA SoC audio codec driver
4 * Copyright 2017 Realtek Semiconductor Corp.
5 * Author: Bard Liao <bardliao@realtek.com>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
12 #include <linux/module.h>
13 #include <linux/moduleparam.h>
14 #include <linux/init.h>
15 #include <linux/delay.h>
16 #include <linux/pm.h>
17 #include <linux/i2c.h>
18 #include <linux/platform_device.h>
19 #include <linux/spi/spi.h>
20 #include <linux/dmi.h>
21 #include <linux/acpi.h>
22 #include <sound/core.h>
23 #include <sound/pcm.h>
24 #include <sound/pcm_params.h>
25 #include <sound/soc.h>
26 #include <sound/soc-dapm.h>
27 #include <sound/initval.h>
28 #include <sound/tlv.h>
29 #include <sound/jack.h>
30 #include <linux/workqueue.h>
32 #include "rl6347a.h"
33 #include "rt274.h"
35 #define RT274_VENDOR_ID 0x10ec0274
37 struct rt274_priv {
38 struct reg_default *index_cache;
39 int index_cache_size;
40 struct regmap *regmap;
41 struct snd_soc_codec *codec;
42 struct i2c_client *i2c;
43 struct snd_soc_jack *jack;
44 struct delayed_work jack_detect_work;
45 int sys_clk;
46 int clk_id;
47 int fs;
48 bool master;
51 static const struct reg_default rt274_index_def[] = {
52 { 0x00, 0x1004 },
53 { 0x01, 0xaaaa },
54 { 0x02, 0x88aa },
55 { 0x03, 0x0002 },
56 { 0x04, 0xaa09 },
57 { 0x05, 0x0700 },
58 { 0x06, 0x6110 },
59 { 0x07, 0x0200 },
60 { 0x08, 0xa807 },
61 { 0x09, 0x0021 },
62 { 0x0a, 0x7770 },
63 { 0x0b, 0x7770 },
64 { 0x0c, 0x002b },
65 { 0x0d, 0x2420 },
66 { 0x0e, 0x65c0 },
67 { 0x0f, 0x7770 },
68 { 0x10, 0x0420 },
69 { 0x11, 0x7418 },
70 { 0x12, 0x6bd0 },
71 { 0x13, 0x645f },
72 { 0x14, 0x0400 },
73 { 0x15, 0x8ccc },
74 { 0x16, 0x4c50 },
75 { 0x17, 0xff00 },
76 { 0x18, 0x0003 },
77 { 0x19, 0x2c11 },
78 { 0x1a, 0x830b },
79 { 0x1b, 0x4e4b },
80 { 0x1c, 0x0000 },
81 { 0x1d, 0x0000 },
82 { 0x1e, 0x0000 },
83 { 0x1f, 0x0000 },
84 { 0x20, 0x51ff },
85 { 0x21, 0x8000 },
86 { 0x22, 0x8f00 },
87 { 0x23, 0x88f4 },
88 { 0x24, 0x0000 },
89 { 0x25, 0x0000 },
90 { 0x26, 0x0000 },
91 { 0x27, 0x0000 },
92 { 0x28, 0x0000 },
93 { 0x29, 0x3000 },
94 { 0x2a, 0x0000 },
95 { 0x2b, 0x0000 },
96 { 0x2c, 0x0f00 },
97 { 0x2d, 0x100f },
98 { 0x2e, 0x2902 },
99 { 0x2f, 0xe280 },
100 { 0x30, 0x1000 },
101 { 0x31, 0x8400 },
102 { 0x32, 0x5aaa },
103 { 0x33, 0x8420 },
104 { 0x34, 0xa20c },
105 { 0x35, 0x096a },
106 { 0x36, 0x5757 },
107 { 0x37, 0xfe05 },
108 { 0x38, 0x4901 },
109 { 0x39, 0x110a },
110 { 0x3a, 0x0010 },
111 { 0x3b, 0x60d9 },
112 { 0x3c, 0xf214 },
113 { 0x3d, 0xc2ba },
114 { 0x3e, 0xa928 },
115 { 0x3f, 0x0000 },
116 { 0x40, 0x9800 },
117 { 0x41, 0x0000 },
118 { 0x42, 0x2000 },
119 { 0x43, 0x3d90 },
120 { 0x44, 0x4900 },
121 { 0x45, 0x5289 },
122 { 0x46, 0x0004 },
123 { 0x47, 0xa47a },
124 { 0x48, 0xd049 },
125 { 0x49, 0x0049 },
126 { 0x4a, 0xa83b },
127 { 0x4b, 0x0777 },
128 { 0x4c, 0x065c },
129 { 0x4d, 0x7fff },
130 { 0x4e, 0x7fff },
131 { 0x4f, 0x0000 },
132 { 0x50, 0x0000 },
133 { 0x51, 0x0000 },
134 { 0x52, 0xbf5f },
135 { 0x53, 0x3320 },
136 { 0x54, 0xcc00 },
137 { 0x55, 0x0000 },
138 { 0x56, 0x3f00 },
139 { 0x57, 0x0000 },
140 { 0x58, 0x0000 },
141 { 0x59, 0x0000 },
142 { 0x5a, 0x1300 },
143 { 0x5b, 0x005f },
144 { 0x5c, 0x0000 },
145 { 0x5d, 0x1001 },
146 { 0x5e, 0x1000 },
147 { 0x5f, 0x0000 },
148 { 0x60, 0x5554 },
149 { 0x61, 0xffc0 },
150 { 0x62, 0xa000 },
151 { 0x63, 0xd010 },
152 { 0x64, 0x0000 },
153 { 0x65, 0x3fb1 },
154 { 0x66, 0x1881 },
155 { 0x67, 0xc810 },
156 { 0x68, 0x2000 },
157 { 0x69, 0xfff0 },
158 { 0x6a, 0x0300 },
159 { 0x6b, 0x5060 },
160 { 0x6c, 0x0000 },
161 { 0x6d, 0x0000 },
162 { 0x6e, 0x0c25 },
163 { 0x6f, 0x0c0b },
164 { 0x70, 0x8000 },
165 { 0x71, 0x4008 },
166 { 0x72, 0x0000 },
167 { 0x73, 0x0800 },
168 { 0x74, 0xa28f },
169 { 0x75, 0xa050 },
170 { 0x76, 0x7fe8 },
171 { 0x77, 0xdb8c },
172 { 0x78, 0x0000 },
173 { 0x79, 0x0000 },
174 { 0x7a, 0x2a96 },
175 { 0x7b, 0x800f },
176 { 0x7c, 0x0200 },
177 { 0x7d, 0x1600 },
178 { 0x7e, 0x0000 },
179 { 0x7f, 0x0000 },
181 #define INDEX_CACHE_SIZE ARRAY_SIZE(rt274_index_def)
183 static const struct reg_default rt274_reg[] = {
184 { 0x00170500, 0x00000400 },
185 { 0x00220000, 0x00000031 },
186 { 0x00239000, 0x00000057 },
187 { 0x0023a000, 0x00000057 },
188 { 0x00270500, 0x00000400 },
189 { 0x00370500, 0x00000400 },
190 { 0x00870500, 0x00000400 },
191 { 0x00920000, 0x00000031 },
192 { 0x00935000, 0x00000097 },
193 { 0x00936000, 0x00000097 },
194 { 0x00970500, 0x00000400 },
195 { 0x00b37000, 0x00000400 },
196 { 0x00b37200, 0x00000400 },
197 { 0x00b37300, 0x00000400 },
198 { 0x00c37000, 0x00000400 },
199 { 0x00c37100, 0x00000400 },
200 { 0x01270500, 0x00000400 },
201 { 0x01370500, 0x00000400 },
202 { 0x01371f00, 0x411111f0 },
203 { 0x01937000, 0x00000000 },
204 { 0x01970500, 0x00000400 },
205 { 0x02050000, 0x0000001b },
206 { 0x02139000, 0x00000080 },
207 { 0x0213a000, 0x00000080 },
208 { 0x02170100, 0x00000001 },
209 { 0x02170500, 0x00000400 },
210 { 0x02170700, 0x00000000 },
211 { 0x02270100, 0x00000000 },
212 { 0x02370100, 0x00000000 },
213 { 0x01970700, 0x00000020 },
214 { 0x00830000, 0x00000097 },
215 { 0x00930000, 0x00000097 },
216 { 0x01270700, 0x00000000 },
219 static bool rt274_volatile_register(struct device *dev, unsigned int reg)
221 switch (reg) {
222 case 0 ... 0xff:
223 case RT274_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
224 case RT274_GET_HP_SENSE:
225 case RT274_GET_MIC_SENSE:
226 case RT274_PROC_COEF:
227 case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT274_MIC, 0):
228 case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT274_HP_OUT, 0):
229 case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_DAC_OUT0, 0):
230 case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_DAC_OUT1, 0):
231 case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_ADC_IN1, 0):
232 case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_ADC_IN2, 0):
233 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DAC_OUT0, 0):
234 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DAC_OUT1, 0):
235 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_ADC_IN1, 0):
236 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_ADC_IN2, 0):
237 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DMIC1, 0):
238 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DMIC2, 0):
239 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_MIC, 0):
240 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_LINE1, 0):
241 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_LINE2, 0):
242 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_HP_OUT, 0):
243 case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_HP_OUT, 0):
244 case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_MIXER_IN1, 0):
245 case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_MIXER_IN2, 0):
246 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_DMIC1, 0):
247 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_DMIC2, 0):
248 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_MIC, 0):
249 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_LINE1, 0):
250 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_LINE2, 0):
251 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_HP_OUT, 0):
252 case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_HP_OUT, 0):
253 case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_MIC, 0):
254 case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_INLINE_CMD, 0):
255 return true;
256 default:
257 return false;
263 static bool rt274_readable_register(struct device *dev, unsigned int reg)
265 switch (reg) {
266 case 0 ... 0xff:
267 case RT274_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
268 case RT274_GET_HP_SENSE:
269 case RT274_GET_MIC_SENSE:
270 case RT274_SET_AUDIO_POWER:
271 case RT274_SET_HPO_POWER:
272 case RT274_SET_DMIC1_POWER:
273 case RT274_LOUT_MUX:
274 case RT274_HPO_MUX:
275 case RT274_ADC0_MUX:
276 case RT274_ADC1_MUX:
277 case RT274_SET_MIC:
278 case RT274_SET_PIN_HPO:
279 case RT274_SET_PIN_LOUT3:
280 case RT274_SET_PIN_DMIC1:
281 case RT274_SET_AMP_GAIN_HPO:
282 case RT274_SET_DMIC2_DEFAULT:
283 case RT274_DAC0L_GAIN:
284 case RT274_DAC0R_GAIN:
285 case RT274_DAC1L_GAIN:
286 case RT274_DAC1R_GAIN:
287 case RT274_ADCL_GAIN:
288 case RT274_ADCR_GAIN:
289 case RT274_MIC_GAIN:
290 case RT274_HPOL_GAIN:
291 case RT274_HPOR_GAIN:
292 case RT274_LOUTL_GAIN:
293 case RT274_LOUTR_GAIN:
294 case RT274_DAC_FORMAT:
295 case RT274_ADC_FORMAT:
296 case RT274_COEF_INDEX:
297 case RT274_PROC_COEF:
298 case RT274_SET_AMP_GAIN_ADC_IN1:
299 case RT274_SET_AMP_GAIN_ADC_IN2:
300 case RT274_SET_POWER(RT274_DAC_OUT0):
301 case RT274_SET_POWER(RT274_DAC_OUT1):
302 case RT274_SET_POWER(RT274_ADC_IN1):
303 case RT274_SET_POWER(RT274_ADC_IN2):
304 case RT274_SET_POWER(RT274_DMIC2):
305 case RT274_SET_POWER(RT274_MIC):
306 case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT274_MIC, 0):
307 case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT274_HP_OUT, 0):
308 case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_DAC_OUT0, 0):
309 case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_DAC_OUT1, 0):
310 case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_ADC_IN1, 0):
311 case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_ADC_IN2, 0):
312 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DAC_OUT0, 0):
313 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DAC_OUT1, 0):
314 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_ADC_IN1, 0):
315 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_ADC_IN2, 0):
316 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DMIC1, 0):
317 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DMIC2, 0):
318 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_MIC, 0):
319 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_LINE1, 0):
320 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_LINE2, 0):
321 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_HP_OUT, 0):
322 case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_HP_OUT, 0):
323 case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_MIXER_IN1, 0):
324 case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_MIXER_IN2, 0):
325 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_DMIC1, 0):
326 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_DMIC2, 0):
327 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_MIC, 0):
328 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_LINE1, 0):
329 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_LINE2, 0):
330 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_HP_OUT, 0):
331 case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_HP_OUT, 0):
332 case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_MIC, 0):
333 case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_INLINE_CMD, 0):
334 return true;
335 default:
336 return false;
340 #ifdef CONFIG_PM
341 static void rt274_index_sync(struct snd_soc_codec *codec)
343 struct rt274_priv *rt274 = snd_soc_codec_get_drvdata(codec);
344 int i;
346 for (i = 0; i < INDEX_CACHE_SIZE; i++) {
347 snd_soc_write(codec, rt274->index_cache[i].reg,
348 rt274->index_cache[i].def);
351 #endif
353 static int rt274_jack_detect(struct rt274_priv *rt274, bool *hp, bool *mic)
355 unsigned int buf;
357 *hp = false;
358 *mic = false;
360 if (!rt274->codec)
361 return -EINVAL;
363 regmap_read(rt274->regmap, RT274_GET_HP_SENSE, &buf);
364 *hp = buf & 0x80000000;
365 regmap_read(rt274->regmap, RT274_GET_MIC_SENSE, &buf);
366 *mic = buf & 0x80000000;
368 pr_debug("*hp = %d *mic = %d\n", *hp, *mic);
370 return 0;
373 static void rt274_jack_detect_work(struct work_struct *work)
375 struct rt274_priv *rt274 =
376 container_of(work, struct rt274_priv, jack_detect_work.work);
377 int status = 0;
378 bool hp = false;
379 bool mic = false;
381 if (rt274_jack_detect(rt274, &hp, &mic) < 0)
382 return;
384 if (hp == true)
385 status |= SND_JACK_HEADPHONE;
387 if (mic == true)
388 status |= SND_JACK_MICROPHONE;
390 snd_soc_jack_report(rt274->jack, status,
391 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
394 static irqreturn_t rt274_irq(int irq, void *data);
396 static int rt274_mic_detect(struct snd_soc_codec *codec,
397 struct snd_soc_jack *jack, void *data)
399 struct rt274_priv *rt274 = snd_soc_codec_get_drvdata(codec);
401 if (jack == NULL) {
402 /* Disable jack detection */
403 regmap_update_bits(rt274->regmap, RT274_EAPD_GPIO_IRQ_CTRL,
404 RT274_IRQ_EN, RT274_IRQ_DIS);
406 return 0;
408 rt274->jack = jack;
410 regmap_update_bits(rt274->regmap, RT274_EAPD_GPIO_IRQ_CTRL,
411 RT274_IRQ_EN, RT274_IRQ_EN);
413 /* Send an initial report */
414 rt274_irq(0, rt274);
416 return 0;
419 static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0);
420 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
422 static const struct snd_kcontrol_new rt274_snd_controls[] = {
423 SOC_DOUBLE_R_TLV("DAC0 Playback Volume", RT274_DAC0L_GAIN,
424 RT274_DAC0R_GAIN, 0, 0x7f, 0, out_vol_tlv),
425 SOC_DOUBLE_R_TLV("DAC1 Playback Volume", RT274_DAC1L_GAIN,
426 RT274_DAC1R_GAIN, 0, 0x7f, 0, out_vol_tlv),
427 SOC_DOUBLE_R_TLV("ADC0 Capture Volume", RT274_ADCL_GAIN,
428 RT274_ADCR_GAIN, 0, 0x7f, 0, out_vol_tlv),
429 SOC_DOUBLE_R("ADC0 Capture Switch", RT274_ADCL_GAIN,
430 RT274_ADCR_GAIN, RT274_MUTE_SFT, 1, 1),
431 SOC_SINGLE_TLV("AMIC Volume", RT274_MIC_GAIN,
432 0, 0x3, 0, mic_vol_tlv),
435 static const struct snd_kcontrol_new hpol_enable_control =
436 SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT274_HPOL_GAIN,
437 RT274_MUTE_SFT, 1, 1);
439 static const struct snd_kcontrol_new hpor_enable_control =
440 SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT274_HPOR_GAIN,
441 RT274_MUTE_SFT, 1, 1);
443 static const struct snd_kcontrol_new loutl_enable_control =
444 SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT274_LOUTL_GAIN,
445 RT274_MUTE_SFT, 1, 1);
447 static const struct snd_kcontrol_new loutr_enable_control =
448 SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT274_LOUTR_GAIN,
449 RT274_MUTE_SFT, 1, 1);
451 /* ADC0 source */
452 static const char * const rt274_adc_src[] = {
453 "Mic", "Line1", "Line2", "Dmic"
456 static SOC_ENUM_SINGLE_DECL(
457 rt274_adc0_enum, RT274_ADC0_MUX, RT274_ADC_SEL_SFT,
458 rt274_adc_src);
460 static const struct snd_kcontrol_new rt274_adc0_mux =
461 SOC_DAPM_ENUM("ADC 0 source", rt274_adc0_enum);
463 static SOC_ENUM_SINGLE_DECL(
464 rt274_adc1_enum, RT274_ADC1_MUX, RT274_ADC_SEL_SFT,
465 rt274_adc_src);
467 static const struct snd_kcontrol_new rt274_adc1_mux =
468 SOC_DAPM_ENUM("ADC 1 source", rt274_adc1_enum);
470 static const char * const rt274_dac_src[] = {
471 "DAC OUT0", "DAC OUT1"
473 /* HP-OUT source */
474 static SOC_ENUM_SINGLE_DECL(rt274_hpo_enum, RT274_HPO_MUX,
475 0, rt274_dac_src);
477 static const struct snd_kcontrol_new rt274_hpo_mux =
478 SOC_DAPM_ENUM("HPO source", rt274_hpo_enum);
480 /* Line out source */
481 static SOC_ENUM_SINGLE_DECL(rt274_lout_enum, RT274_LOUT_MUX,
482 0, rt274_dac_src);
484 static const struct snd_kcontrol_new rt274_lout_mux =
485 SOC_DAPM_ENUM("LOUT source", rt274_lout_enum);
487 static const struct snd_soc_dapm_widget rt274_dapm_widgets[] = {
488 /* Input Lines */
489 SND_SOC_DAPM_INPUT("DMIC1 Pin"),
490 SND_SOC_DAPM_INPUT("DMIC2 Pin"),
491 SND_SOC_DAPM_INPUT("MIC"),
492 SND_SOC_DAPM_INPUT("LINE1"),
493 SND_SOC_DAPM_INPUT("LINE2"),
495 /* DMIC */
496 SND_SOC_DAPM_PGA("DMIC1", SND_SOC_NOPM, 0, 0, NULL, 0),
497 SND_SOC_DAPM_PGA("DMIC2", SND_SOC_NOPM, 0, 0, NULL, 0),
499 /* ADCs */
500 SND_SOC_DAPM_ADC("ADC 0", NULL, RT274_SET_STREAMID_ADC1, 4, 0),
501 SND_SOC_DAPM_ADC("ADC 1", NULL, RT274_SET_STREAMID_ADC2, 4, 0),
503 /* ADC Mux */
504 SND_SOC_DAPM_MUX("ADC 0 Mux", SND_SOC_NOPM, 0, 0,
505 &rt274_adc0_mux),
506 SND_SOC_DAPM_MUX("ADC 1 Mux", SND_SOC_NOPM, 0, 0,
507 &rt274_adc1_mux),
509 /* Audio Interface */
510 SND_SOC_DAPM_AIF_IN("AIF1RXL", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
511 SND_SOC_DAPM_AIF_IN("AIF1RXR", "AIF1 Playback", 1, SND_SOC_NOPM, 0, 0),
512 SND_SOC_DAPM_AIF_OUT("AIF1TXL", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
513 SND_SOC_DAPM_AIF_OUT("AIF1TXR", "AIF1 Capture", 1, SND_SOC_NOPM, 0, 0),
514 SND_SOC_DAPM_AIF_IN("AIF2RXL", "AIF1 Playback", 2, SND_SOC_NOPM, 0, 0),
515 SND_SOC_DAPM_AIF_IN("AIF2RXR", "AIF1 Playback", 3, SND_SOC_NOPM, 0, 0),
516 SND_SOC_DAPM_AIF_OUT("AIF2TXL", "AIF1 Capture", 2, SND_SOC_NOPM, 0, 0),
517 SND_SOC_DAPM_AIF_OUT("AIF2TXR", "AIF1 Capture", 3, SND_SOC_NOPM, 0, 0),
519 /* Output Side */
520 /* DACs */
521 SND_SOC_DAPM_DAC("DAC 0", NULL, RT274_SET_STREAMID_DAC0, 4, 0),
522 SND_SOC_DAPM_DAC("DAC 1", NULL, RT274_SET_STREAMID_DAC1, 4, 0),
524 /* Output Mux */
525 SND_SOC_DAPM_MUX("HPO Mux", SND_SOC_NOPM, 0, 0, &rt274_hpo_mux),
526 SND_SOC_DAPM_MUX("LOUT Mux", SND_SOC_NOPM, 0, 0, &rt274_lout_mux),
528 SND_SOC_DAPM_SUPPLY("HP Power", RT274_SET_PIN_HPO,
529 RT274_SET_PIN_SFT, 0, NULL, 0),
530 SND_SOC_DAPM_SUPPLY("LOUT Power", RT274_SET_PIN_LOUT3,
531 RT274_SET_PIN_SFT, 0, NULL, 0),
533 /* Output Mixer */
534 SND_SOC_DAPM_PGA("DAC OUT0", SND_SOC_NOPM, 0, 0,
535 NULL, 0),
536 SND_SOC_DAPM_PGA("DAC OUT1", SND_SOC_NOPM, 0, 0,
537 NULL, 0),
539 /* Output Pga */
540 SND_SOC_DAPM_SWITCH("LOUT L", SND_SOC_NOPM, 0, 0,
541 &loutl_enable_control),
542 SND_SOC_DAPM_SWITCH("LOUT R", SND_SOC_NOPM, 0, 0,
543 &loutr_enable_control),
544 SND_SOC_DAPM_SWITCH("HPO L", SND_SOC_NOPM, 0, 0,
545 &hpol_enable_control),
546 SND_SOC_DAPM_SWITCH("HPO R", SND_SOC_NOPM, 0, 0,
547 &hpor_enable_control),
549 /* Output Lines */
550 SND_SOC_DAPM_OUTPUT("HPO Pin"),
551 SND_SOC_DAPM_OUTPUT("SPDIF"),
552 SND_SOC_DAPM_OUTPUT("LINE3"),
555 static const struct snd_soc_dapm_route rt274_dapm_routes[] = {
556 {"DMIC1", NULL, "DMIC1 Pin"},
557 {"DMIC2", NULL, "DMIC2 Pin"},
559 {"ADC 0 Mux", "Mic", "MIC"},
560 {"ADC 0 Mux", "Dmic", "DMIC1"},
561 {"ADC 0 Mux", "Line1", "LINE1"},
562 {"ADC 0 Mux", "Line2", "LINE2"},
563 {"ADC 1 Mux", "Mic", "MIC"},
564 {"ADC 1 Mux", "Dmic", "DMIC2"},
565 {"ADC 1 Mux", "Line1", "LINE1"},
566 {"ADC 1 Mux", "Line2", "LINE2"},
568 {"ADC 0", NULL, "ADC 0 Mux"},
569 {"ADC 1", NULL, "ADC 1 Mux"},
571 {"AIF1TXL", NULL, "ADC 0"},
572 {"AIF1TXR", NULL, "ADC 0"},
573 {"AIF2TXL", NULL, "ADC 1"},
574 {"AIF2TXR", NULL, "ADC 1"},
576 {"DAC 0", NULL, "AIF1RXL"},
577 {"DAC 0", NULL, "AIF1RXR"},
578 {"DAC 1", NULL, "AIF2RXL"},
579 {"DAC 1", NULL, "AIF2RXR"},
581 {"DAC OUT0", NULL, "DAC 0"},
583 {"DAC OUT1", NULL, "DAC 1"},
585 {"LOUT Mux", "DAC OUT0", "DAC OUT0"},
586 {"LOUT Mux", "DAC OUT1", "DAC OUT1"},
588 {"LOUT L", "Switch", "LOUT Mux"},
589 {"LOUT R", "Switch", "LOUT Mux"},
590 {"LOUT L", NULL, "LOUT Power"},
591 {"LOUT R", NULL, "LOUT Power"},
593 {"LINE3", NULL, "LOUT L"},
594 {"LINE3", NULL, "LOUT R"},
596 {"HPO Mux", "DAC OUT0", "DAC OUT0"},
597 {"HPO Mux", "DAC OUT1", "DAC OUT1"},
599 {"HPO L", "Switch", "HPO Mux"},
600 {"HPO R", "Switch", "HPO Mux"},
601 {"HPO L", NULL, "HP Power"},
602 {"HPO R", NULL, "HP Power"},
604 {"HPO Pin", NULL, "HPO L"},
605 {"HPO Pin", NULL, "HPO R"},
608 static int rt274_hw_params(struct snd_pcm_substream *substream,
609 struct snd_pcm_hw_params *params,
610 struct snd_soc_dai *dai)
612 struct snd_soc_codec *codec = dai->codec;
613 struct rt274_priv *rt274 = snd_soc_codec_get_drvdata(codec);
614 unsigned int val = 0;
615 int d_len_code = 0, c_len_code = 0;
617 switch (params_rate(params)) {
618 /* bit 14 0:48K 1:44.1K */
619 case 44100:
620 case 48000:
621 break;
622 default:
623 dev_err(codec->dev, "Unsupported sample rate %d\n",
624 params_rate(params));
625 return -EINVAL;
627 switch (rt274->sys_clk) {
628 case 12288000:
629 case 24576000:
630 if (params_rate(params) != 48000) {
631 dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n",
632 params_rate(params), rt274->sys_clk);
633 return -EINVAL;
635 break;
636 case 11289600:
637 case 22579200:
638 if (params_rate(params) != 44100) {
639 dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n",
640 params_rate(params), rt274->sys_clk);
641 return -EINVAL;
643 break;
646 if (params_channels(params) <= 16) {
647 /* bit 3:0 Number of Channel */
648 val |= (params_channels(params) - 1);
649 } else {
650 dev_err(codec->dev, "Unsupported channels %d\n",
651 params_channels(params));
652 return -EINVAL;
655 switch (params_width(params)) {
656 /* bit 6:4 Bits per Sample */
657 case 16:
658 d_len_code = 0;
659 c_len_code = 0;
660 val |= (0x1 << 4);
661 break;
662 case 32:
663 d_len_code = 2;
664 c_len_code = 3;
665 val |= (0x4 << 4);
666 break;
667 case 20:
668 d_len_code = 1;
669 c_len_code = 1;
670 val |= (0x2 << 4);
671 break;
672 case 24:
673 d_len_code = 2;
674 c_len_code = 2;
675 val |= (0x3 << 4);
676 break;
677 case 8:
678 d_len_code = 3;
679 c_len_code = 0;
680 break;
681 default:
682 return -EINVAL;
685 if (rt274->master)
686 c_len_code = 0x3;
688 snd_soc_update_bits(codec,
689 RT274_I2S_CTRL1, 0xc018, d_len_code << 3 | c_len_code << 14);
690 dev_dbg(codec->dev, "format val = 0x%x\n", val);
692 snd_soc_update_bits(codec, RT274_DAC_FORMAT, 0x407f, val);
693 snd_soc_update_bits(codec, RT274_ADC_FORMAT, 0x407f, val);
695 return 0;
698 static int rt274_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
700 struct snd_soc_codec *codec = dai->codec;
701 struct rt274_priv *rt274 = snd_soc_codec_get_drvdata(codec);
703 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
704 case SND_SOC_DAIFMT_CBM_CFM:
705 snd_soc_update_bits(codec,
706 RT274_I2S_CTRL1, RT274_I2S_MODE_MASK, RT274_I2S_MODE_M);
707 rt274->master = true;
708 break;
709 case SND_SOC_DAIFMT_CBS_CFS:
710 snd_soc_update_bits(codec,
711 RT274_I2S_CTRL1, RT274_I2S_MODE_MASK, RT274_I2S_MODE_S);
712 rt274->master = false;
713 break;
714 default:
715 return -EINVAL;
718 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
719 case SND_SOC_DAIFMT_I2S:
720 snd_soc_update_bits(codec, RT274_I2S_CTRL1,
721 RT274_I2S_FMT_MASK, RT274_I2S_FMT_I2S);
722 break;
723 case SND_SOC_DAIFMT_LEFT_J:
724 snd_soc_update_bits(codec, RT274_I2S_CTRL1,
725 RT274_I2S_FMT_MASK, RT274_I2S_FMT_LJ);
726 break;
727 case SND_SOC_DAIFMT_DSP_A:
728 snd_soc_update_bits(codec, RT274_I2S_CTRL1,
729 RT274_I2S_FMT_MASK, RT274_I2S_FMT_PCMA);
730 break;
731 case SND_SOC_DAIFMT_DSP_B:
732 snd_soc_update_bits(codec, RT274_I2S_CTRL1,
733 RT274_I2S_FMT_MASK, RT274_I2S_FMT_PCMB);
734 break;
735 default:
736 return -EINVAL;
738 /* bit 15 Stream Type 0:PCM 1:Non-PCM */
739 snd_soc_update_bits(codec, RT274_DAC_FORMAT, 0x8000, 0);
740 snd_soc_update_bits(codec, RT274_ADC_FORMAT, 0x8000, 0);
742 return 0;
745 static int rt274_set_dai_pll(struct snd_soc_dai *dai, int pll_id, int source,
746 unsigned int freq_in, unsigned int freq_out)
748 struct snd_soc_codec *codec = dai->codec;
749 struct rt274_priv *rt274 = snd_soc_codec_get_drvdata(codec);
751 switch (source) {
752 case RT274_PLL2_S_MCLK:
753 snd_soc_update_bits(codec, RT274_PLL2_CTRL,
754 RT274_PLL2_SRC_MASK, RT274_PLL2_SRC_MCLK);
755 break;
756 default:
757 dev_warn(codec->dev, "invalid pll source, use BCLK\n");
758 case RT274_PLL2_S_BCLK:
759 snd_soc_update_bits(codec, RT274_PLL2_CTRL,
760 RT274_PLL2_SRC_MASK, RT274_PLL2_SRC_BCLK);
761 break;
764 if (source == RT274_PLL2_S_BCLK) {
765 snd_soc_update_bits(codec, RT274_MCLK_CTRL,
766 (0x3 << 12), (0x3 << 12));
767 switch (rt274->fs) {
768 case 50:
769 snd_soc_write(codec, 0x7a, 0xaab6);
770 snd_soc_write(codec, 0x7b, 0x0301);
771 snd_soc_write(codec, 0x7c, 0x04fe);
772 break;
773 case 64:
774 snd_soc_write(codec, 0x7a, 0xaa96);
775 snd_soc_write(codec, 0x7b, 0x8003);
776 snd_soc_write(codec, 0x7c, 0x081e);
777 break;
778 case 128:
779 snd_soc_write(codec, 0x7a, 0xaa96);
780 snd_soc_write(codec, 0x7b, 0x8003);
781 snd_soc_write(codec, 0x7c, 0x080e);
782 break;
783 default:
784 dev_warn(codec->dev, "invalid freq_in, assume 4.8M\n");
785 case 100:
786 snd_soc_write(codec, 0x7a, 0xaab6);
787 snd_soc_write(codec, 0x7b, 0x0301);
788 snd_soc_write(codec, 0x7c, 0x047e);
789 break;
793 return 0;
796 static int rt274_set_dai_sysclk(struct snd_soc_dai *dai,
797 int clk_id, unsigned int freq, int dir)
799 struct snd_soc_codec *codec = dai->codec;
800 struct rt274_priv *rt274 = snd_soc_codec_get_drvdata(codec);
801 unsigned int clk_src, mclk_en;
803 dev_dbg(codec->dev, "%s freq=%d\n", __func__, freq);
805 switch (clk_id) {
806 case RT274_SCLK_S_MCLK:
807 mclk_en = RT274_MCLK_MODE_EN;
808 clk_src = RT274_CLK_SRC_MCLK;
809 break;
810 case RT274_SCLK_S_PLL1:
811 mclk_en = RT274_MCLK_MODE_DIS;
812 clk_src = RT274_CLK_SRC_MCLK;
813 break;
814 case RT274_SCLK_S_PLL2:
815 mclk_en = RT274_MCLK_MODE_EN;
816 clk_src = RT274_CLK_SRC_PLL2;
817 break;
818 default:
819 mclk_en = RT274_MCLK_MODE_DIS;
820 clk_src = RT274_CLK_SRC_MCLK;
821 dev_warn(codec->dev, "invalid sysclk source, use PLL1\n");
822 break;
824 snd_soc_update_bits(codec, RT274_MCLK_CTRL,
825 RT274_MCLK_MODE_MASK, mclk_en);
826 snd_soc_update_bits(codec, RT274_CLK_CTRL,
827 RT274_CLK_SRC_MASK, clk_src);
829 switch (freq) {
830 case 19200000:
831 if (clk_id == RT274_SCLK_S_MCLK) {
832 dev_err(codec->dev, "Should not use MCLK\n");
833 return -EINVAL;
835 snd_soc_update_bits(codec,
836 RT274_I2S_CTRL2, 0x40, 0x40);
837 break;
838 case 24000000:
839 if (clk_id == RT274_SCLK_S_MCLK) {
840 dev_err(codec->dev, "Should not use MCLK\n");
841 return -EINVAL;
843 snd_soc_update_bits(codec,
844 RT274_I2S_CTRL2, 0x40, 0x0);
845 break;
846 case 12288000:
847 case 11289600:
848 snd_soc_update_bits(codec,
849 RT274_MCLK_CTRL, 0x1fcf, 0x0008);
850 break;
851 case 24576000:
852 case 22579200:
853 snd_soc_update_bits(codec,
854 RT274_MCLK_CTRL, 0x1fcf, 0x1543);
855 break;
856 default:
857 dev_err(codec->dev, "Unsupported system clock\n");
858 return -EINVAL;
861 rt274->sys_clk = freq;
862 rt274->clk_id = clk_id;
864 return 0;
867 static int rt274_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
869 struct snd_soc_codec *codec = dai->codec;
870 struct rt274_priv *rt274 = snd_soc_codec_get_drvdata(codec);
872 dev_dbg(codec->dev, "%s ratio=%d\n", __func__, ratio);
873 rt274->fs = ratio;
874 if ((ratio / 50) == 0)
875 snd_soc_update_bits(codec,
876 RT274_I2S_CTRL1, 0x1000, 0x1000);
877 else
878 snd_soc_update_bits(codec,
879 RT274_I2S_CTRL1, 0x1000, 0x0);
882 return 0;
885 static int rt274_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
886 unsigned int rx_mask, int slots, int slot_width)
889 struct snd_soc_codec *codec = dai->codec;
891 if (rx_mask || tx_mask) {
892 snd_soc_update_bits(codec,
893 RT274_I2S_CTRL1, RT274_TDM_EN, RT274_TDM_EN);
894 } else {
895 snd_soc_update_bits(codec,
896 RT274_I2S_CTRL1, RT274_TDM_EN, RT274_TDM_DIS);
897 return 0;
900 switch (slots) {
901 case 4:
902 snd_soc_update_bits(codec,
903 RT274_I2S_CTRL1, RT274_TDM_CH_NUM, RT274_TDM_4CH);
904 break;
905 case 2:
906 snd_soc_update_bits(codec,
907 RT274_I2S_CTRL1, RT274_TDM_CH_NUM, RT274_TDM_2CH);
908 break;
909 default:
910 dev_err(codec->dev,
911 "Support 2 or 4 slots TDM only\n");
912 return -EINVAL;
915 return 0;
918 static int rt274_set_bias_level(struct snd_soc_codec *codec,
919 enum snd_soc_bias_level level)
921 switch (level) {
922 case SND_SOC_BIAS_PREPARE:
923 if (SND_SOC_BIAS_STANDBY ==
924 snd_soc_codec_get_bias_level(codec)) {
925 snd_soc_write(codec,
926 RT274_SET_AUDIO_POWER, AC_PWRST_D0);
928 break;
930 case SND_SOC_BIAS_STANDBY:
931 snd_soc_write(codec,
932 RT274_SET_AUDIO_POWER, AC_PWRST_D3);
933 break;
935 default:
936 break;
939 return 0;
942 static irqreturn_t rt274_irq(int irq, void *data)
944 struct rt274_priv *rt274 = data;
945 bool hp = false;
946 bool mic = false;
947 int ret, status = 0;
949 /* Clear IRQ */
950 regmap_update_bits(rt274->regmap, RT274_EAPD_GPIO_IRQ_CTRL,
951 RT274_IRQ_CLR, RT274_IRQ_CLR);
953 ret = rt274_jack_detect(rt274, &hp, &mic);
955 if (ret == 0) {
956 if (hp == true)
957 status |= SND_JACK_HEADPHONE;
959 if (mic == true)
960 status |= SND_JACK_MICROPHONE;
962 snd_soc_jack_report(rt274->jack, status,
963 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
965 pm_wakeup_event(&rt274->i2c->dev, 300);
968 return IRQ_HANDLED;
971 static int rt274_probe(struct snd_soc_codec *codec)
973 struct rt274_priv *rt274 = snd_soc_codec_get_drvdata(codec);
975 rt274->codec = codec;
977 if (rt274->i2c->irq) {
978 INIT_DELAYED_WORK(&rt274->jack_detect_work,
979 rt274_jack_detect_work);
980 schedule_delayed_work(&rt274->jack_detect_work,
981 msecs_to_jiffies(1250));
984 return 0;
987 static int rt274_remove(struct snd_soc_codec *codec)
989 struct rt274_priv *rt274 = snd_soc_codec_get_drvdata(codec);
991 cancel_delayed_work_sync(&rt274->jack_detect_work);
993 return 0;
996 #ifdef CONFIG_PM
997 static int rt274_suspend(struct snd_soc_codec *codec)
999 struct rt274_priv *rt274 = snd_soc_codec_get_drvdata(codec);
1001 regcache_cache_only(rt274->regmap, true);
1002 regcache_mark_dirty(rt274->regmap);
1004 return 0;
1007 static int rt274_resume(struct snd_soc_codec *codec)
1009 struct rt274_priv *rt274 = snd_soc_codec_get_drvdata(codec);
1011 regcache_cache_only(rt274->regmap, false);
1012 rt274_index_sync(codec);
1013 regcache_sync(rt274->regmap);
1015 return 0;
1017 #else
1018 #define rt274_suspend NULL
1019 #define rt274_resume NULL
1020 #endif
1022 #define RT274_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
1023 #define RT274_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1024 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
1026 static const struct snd_soc_dai_ops rt274_aif_dai_ops = {
1027 .hw_params = rt274_hw_params,
1028 .set_fmt = rt274_set_dai_fmt,
1029 .set_sysclk = rt274_set_dai_sysclk,
1030 .set_pll = rt274_set_dai_pll,
1031 .set_bclk_ratio = rt274_set_bclk_ratio,
1032 .set_tdm_slot = rt274_set_tdm_slot,
1035 static struct snd_soc_dai_driver rt274_dai[] = {
1037 .name = "rt274-aif1",
1038 .id = RT274_AIF1,
1039 .playback = {
1040 .stream_name = "AIF1 Playback",
1041 .channels_min = 1,
1042 .channels_max = 2,
1043 .rates = RT274_STEREO_RATES,
1044 .formats = RT274_FORMATS,
1046 .capture = {
1047 .stream_name = "AIF1 Capture",
1048 .channels_min = 1,
1049 .channels_max = 2,
1050 .rates = RT274_STEREO_RATES,
1051 .formats = RT274_FORMATS,
1053 .ops = &rt274_aif_dai_ops,
1054 .symmetric_rates = 1,
1058 static const struct snd_soc_codec_driver soc_codec_dev_rt274 = {
1059 .probe = rt274_probe,
1060 .remove = rt274_remove,
1061 .suspend = rt274_suspend,
1062 .resume = rt274_resume,
1063 .set_bias_level = rt274_set_bias_level,
1064 .idle_bias_off = true,
1065 .component_driver = {
1066 .controls = rt274_snd_controls,
1067 .num_controls = ARRAY_SIZE(rt274_snd_controls),
1068 .dapm_widgets = rt274_dapm_widgets,
1069 .num_dapm_widgets = ARRAY_SIZE(rt274_dapm_widgets),
1070 .dapm_routes = rt274_dapm_routes,
1071 .num_dapm_routes = ARRAY_SIZE(rt274_dapm_routes),
1073 .set_jack = rt274_mic_detect,
1076 static const struct regmap_config rt274_regmap = {
1077 .reg_bits = 32,
1078 .val_bits = 32,
1079 .max_register = 0x05bfffff,
1080 .volatile_reg = rt274_volatile_register,
1081 .readable_reg = rt274_readable_register,
1082 .reg_write = rl6347a_hw_write,
1083 .reg_read = rl6347a_hw_read,
1084 .cache_type = REGCACHE_RBTREE,
1085 .reg_defaults = rt274_reg,
1086 .num_reg_defaults = ARRAY_SIZE(rt274_reg),
1089 #ifdef CONFIG_OF
1090 static const struct of_device_id rt274_of_match[] = {
1091 {.compatible = "realtek,rt274"},
1094 MODULE_DEVICE_TABLE(of, rt274_of_match);
1095 #endif
1097 static const struct i2c_device_id rt274_i2c_id[] = {
1098 {"rt274", 0},
1101 MODULE_DEVICE_TABLE(i2c, rt274_i2c_id);
1103 static const struct acpi_device_id rt274_acpi_match[] = {
1104 { "10EC0274", 0 },
1105 { "INT34C2", 0 },
1108 MODULE_DEVICE_TABLE(acpi, rt274_acpi_match);
1110 static int rt274_i2c_probe(struct i2c_client *i2c,
1111 const struct i2c_device_id *id)
1113 struct rt274_priv *rt274;
1115 int ret;
1116 unsigned int val;
1118 rt274 = devm_kzalloc(&i2c->dev, sizeof(*rt274),
1119 GFP_KERNEL);
1120 if (rt274 == NULL)
1121 return -ENOMEM;
1123 rt274->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt274_regmap);
1124 if (IS_ERR(rt274->regmap)) {
1125 ret = PTR_ERR(rt274->regmap);
1126 dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1127 ret);
1128 return ret;
1131 ret = regmap_read(rt274->regmap,
1132 RT274_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID), &val);
1133 if (ret)
1134 return ret;
1136 if (val != RT274_VENDOR_ID) {
1137 dev_err(&i2c->dev,
1138 "Device with ID register %#x is not rt274\n", val);
1139 return -ENODEV;
1142 rt274->index_cache = devm_kmemdup(&i2c->dev, rt274_index_def,
1143 sizeof(rt274_index_def), GFP_KERNEL);
1144 if (!rt274->index_cache)
1145 return -ENOMEM;
1147 rt274->index_cache_size = INDEX_CACHE_SIZE;
1148 rt274->i2c = i2c;
1149 i2c_set_clientdata(i2c, rt274);
1151 /* reset codec */
1152 regmap_write(rt274->regmap, RT274_RESET, 0);
1153 regmap_update_bits(rt274->regmap, 0x1a, 0x4000, 0x4000);
1155 /* Set Pad PDB is floating */
1156 regmap_update_bits(rt274->regmap, RT274_PAD_CTRL12, 0x3, 0x0);
1157 regmap_write(rt274->regmap, RT274_COEF5b_INDEX, 0x01);
1158 regmap_write(rt274->regmap, RT274_COEF5b_COEF, 0x8540);
1159 regmap_update_bits(rt274->regmap, 0x6f, 0x0100, 0x0100);
1160 /* Combo jack auto detect */
1161 regmap_write(rt274->regmap, 0x4a, 0x201b);
1162 /* Aux mode off */
1163 regmap_update_bits(rt274->regmap, 0x6f, 0x3000, 0x2000);
1164 /* HP DC Calibration */
1165 regmap_update_bits(rt274->regmap, 0x6f, 0xf, 0x0);
1166 /* Set NID=58h.Index 00h [15]= 1b; */
1167 regmap_write(rt274->regmap, RT274_COEF58_INDEX, 0x00);
1168 regmap_write(rt274->regmap, RT274_COEF58_COEF, 0xb888);
1169 msleep(500);
1170 regmap_update_bits(rt274->regmap, 0x6f, 0xf, 0xb);
1171 regmap_write(rt274->regmap, RT274_COEF58_INDEX, 0x00);
1172 regmap_write(rt274->regmap, RT274_COEF58_COEF, 0x3888);
1173 /* Set pin widget */
1174 regmap_write(rt274->regmap, RT274_SET_PIN_HPO, 0x40);
1175 regmap_write(rt274->regmap, RT274_SET_PIN_LOUT3, 0x40);
1176 regmap_write(rt274->regmap, RT274_SET_MIC, 0x20);
1177 regmap_write(rt274->regmap, RT274_SET_PIN_DMIC1, 0x20);
1179 regmap_update_bits(rt274->regmap, RT274_I2S_CTRL2, 0xc004, 0x4004);
1180 regmap_update_bits(rt274->regmap, RT274_EAPD_GPIO_IRQ_CTRL,
1181 RT274_GPI2_SEL_MASK, RT274_GPI2_SEL_DMIC_CLK);
1183 /* jack detection */
1184 regmap_write(rt274->regmap, RT274_UNSOLICITED_HP_OUT, 0x81);
1185 regmap_write(rt274->regmap, RT274_UNSOLICITED_MIC, 0x82);
1187 if (rt274->i2c->irq) {
1188 ret = request_threaded_irq(rt274->i2c->irq, NULL, rt274_irq,
1189 IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "rt274", rt274);
1190 if (ret != 0) {
1191 dev_err(&i2c->dev,
1192 "Failed to reguest IRQ: %d\n", ret);
1193 return ret;
1197 ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt274,
1198 rt274_dai, ARRAY_SIZE(rt274_dai));
1200 return ret;
1203 static int rt274_i2c_remove(struct i2c_client *i2c)
1205 struct rt274_priv *rt274 = i2c_get_clientdata(i2c);
1207 if (i2c->irq)
1208 free_irq(i2c->irq, rt274);
1209 snd_soc_unregister_codec(&i2c->dev);
1211 return 0;
1215 static struct i2c_driver rt274_i2c_driver = {
1216 .driver = {
1217 .name = "rt274",
1218 .acpi_match_table = ACPI_PTR(rt274_acpi_match),
1219 #ifdef CONFIG_OF
1220 .of_match_table = of_match_ptr(rt274_of_match),
1221 #endif
1223 .probe = rt274_i2c_probe,
1224 .remove = rt274_i2c_remove,
1225 .id_table = rt274_i2c_id,
1228 module_i2c_driver(rt274_i2c_driver);
1230 MODULE_DESCRIPTION("ASoC RT274 driver");
1231 MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>");
1232 MODULE_LICENSE("GPL v2");