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1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * rt274.c -- RT274 ALSA SoC audio codec driver
4 *
5 * Copyright 2017 Realtek Semiconductor Corp.
6 * Author: Bard Liao <bardliao@realtek.com>
7 */
8
9#include <linux/module.h>
10#include <linux/moduleparam.h>
11#include <linux/init.h>
12#include <linux/delay.h>
13#include <linux/pm.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>
28
29#include "rl6347a.h"
30#include "rt274.h"
31
32#define RT274_VENDOR_ID 0x10ec0274
33
34struct rt274_priv {
35 struct reg_default *index_cache;
36 int index_cache_size;
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;
42 int sys_clk;
43 int clk_id;
44 int fs;
45 bool master;
46};
47
48static const struct reg_default rt274_index_def[] = {
49 { 0x00, 0x1004 },
50 { 0x01, 0xaaaa },
51 { 0x02, 0x88aa },
52 { 0x03, 0x0002 },
53 { 0x04, 0xaa09 },
54 { 0x05, 0x0700 },
55 { 0x06, 0x6110 },
56 { 0x07, 0x0200 },
57 { 0x08, 0xa807 },
58 { 0x09, 0x0021 },
59 { 0x0a, 0x7770 },
60 { 0x0b, 0x7770 },
61 { 0x0c, 0x002b },
62 { 0x0d, 0x2420 },
63 { 0x0e, 0x65c0 },
64 { 0x0f, 0x7770 },
65 { 0x10, 0x0420 },
66 { 0x11, 0x7418 },
67 { 0x12, 0x6bd0 },
68 { 0x13, 0x645f },
69 { 0x14, 0x0400 },
70 { 0x15, 0x8ccc },
71 { 0x16, 0x4c50 },
72 { 0x17, 0xff00 },
73 { 0x18, 0x0003 },
74 { 0x19, 0x2c11 },
75 { 0x1a, 0x830b },
76 { 0x1b, 0x4e4b },
77 { 0x1c, 0x0000 },
78 { 0x1d, 0x0000 },
79 { 0x1e, 0x0000 },
80 { 0x1f, 0x0000 },
81 { 0x20, 0x51ff },
82 { 0x21, 0x8000 },
83 { 0x22, 0x8f00 },
84 { 0x23, 0x88f4 },
85 { 0x24, 0x0000 },
86 { 0x25, 0x0000 },
87 { 0x26, 0x0000 },
88 { 0x27, 0x0000 },
89 { 0x28, 0x0000 },
90 { 0x29, 0x3000 },
91 { 0x2a, 0x0000 },
92 { 0x2b, 0x0000 },
93 { 0x2c, 0x0f00 },
94 { 0x2d, 0x100f },
95 { 0x2e, 0x2902 },
96 { 0x2f, 0xe280 },
97 { 0x30, 0x1000 },
98 { 0x31, 0x8400 },
99 { 0x32, 0x5aaa },
100 { 0x33, 0x8420 },
101 { 0x34, 0xa20c },
102 { 0x35, 0x096a },
103 { 0x36, 0x5757 },
104 { 0x37, 0xfe05 },
105 { 0x38, 0x4901 },
106 { 0x39, 0x110a },
107 { 0x3a, 0x0010 },
108 { 0x3b, 0x60d9 },
109 { 0x3c, 0xf214 },
110 { 0x3d, 0xc2ba },
111 { 0x3e, 0xa928 },
112 { 0x3f, 0x0000 },
113 { 0x40, 0x9800 },
114 { 0x41, 0x0000 },
115 { 0x42, 0x2000 },
116 { 0x43, 0x3d90 },
117 { 0x44, 0x4900 },
118 { 0x45, 0x5289 },
119 { 0x46, 0x0004 },
120 { 0x47, 0xa47a },
121 { 0x48, 0xd049 },
122 { 0x49, 0x0049 },
123 { 0x4a, 0xa83b },
124 { 0x4b, 0x0777 },
125 { 0x4c, 0x065c },
126 { 0x4d, 0x7fff },
127 { 0x4e, 0x7fff },
128 { 0x4f, 0x0000 },
129 { 0x50, 0x0000 },
130 { 0x51, 0x0000 },
131 { 0x52, 0xbf5f },
132 { 0x53, 0x3320 },
133 { 0x54, 0xcc00 },
134 { 0x55, 0x0000 },
135 { 0x56, 0x3f00 },
136 { 0x57, 0x0000 },
137 { 0x58, 0x0000 },
138 { 0x59, 0x0000 },
139 { 0x5a, 0x1300 },
140 { 0x5b, 0x005f },
141 { 0x5c, 0x0000 },
142 { 0x5d, 0x1001 },
143 { 0x5e, 0x1000 },
144 { 0x5f, 0x0000 },
145 { 0x60, 0x5554 },
146 { 0x61, 0xffc0 },
147 { 0x62, 0xa000 },
148 { 0x63, 0xd010 },
149 { 0x64, 0x0000 },
150 { 0x65, 0x3fb1 },
151 { 0x66, 0x1881 },
152 { 0x67, 0xc810 },
153 { 0x68, 0x2000 },
154 { 0x69, 0xfff0 },
155 { 0x6a, 0x0300 },
156 { 0x6b, 0x5060 },
157 { 0x6c, 0x0000 },
158 { 0x6d, 0x0000 },
159 { 0x6e, 0x0c25 },
160 { 0x6f, 0x0c0b },
161 { 0x70, 0x8000 },
162 { 0x71, 0x4008 },
163 { 0x72, 0x0000 },
164 { 0x73, 0x0800 },
165 { 0x74, 0xa28f },
166 { 0x75, 0xa050 },
167 { 0x76, 0x7fe8 },
168 { 0x77, 0xdb8c },
169 { 0x78, 0x0000 },
170 { 0x79, 0x0000 },
171 { 0x7a, 0x2a96 },
172 { 0x7b, 0x800f },
173 { 0x7c, 0x0200 },
174 { 0x7d, 0x1600 },
175 { 0x7e, 0x0000 },
176 { 0x7f, 0x0000 },
177};
178#define INDEX_CACHE_SIZE ARRAY_SIZE(rt274_index_def)
179
180static 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 },
214};
215
216static bool rt274_volatile_register(struct device *dev, unsigned int reg)
217{
218 switch (reg) {
219 case 0 ... 0xff:
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):
252 return true;
253 default:
254 return false;
255 }
256
257
258}
259
260static bool rt274_readable_register(struct device *dev, unsigned int reg)
261{
262 switch (reg) {
263 case 0 ... 0xff:
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:
270 case RT274_LOUT_MUX:
271 case RT274_HPO_MUX:
272 case RT274_ADC0_MUX:
273 case RT274_ADC1_MUX:
274 case RT274_SET_MIC:
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:
286 case RT274_MIC_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):
331 return true;
332 default:
333 return false;
334 }
335}
336
337#ifdef CONFIG_PM
338static void rt274_index_sync(struct snd_soc_component *component)
339{
340 struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component);
341 int i;
342
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);
346 }
347}
348#endif
349
350static int rt274_jack_detect(struct rt274_priv *rt274, bool *hp, bool *mic)
351{
352 unsigned int buf;
353 int ret;
354
355 *hp = false;
356 *mic = false;
357
358 if (!rt274->component)
359 return -EINVAL;
360
361 ret = regmap_read(rt274->regmap, RT274_GET_HP_SENSE, &buf);
362 if (ret)
363 return ret;
364
365 *hp = buf & 0x80000000;
366 ret = regmap_read(rt274->regmap, RT274_GET_MIC_SENSE, &buf);
367 if (ret)
368 return ret;
369
370 *mic = buf & 0x80000000;
371
372 pr_debug("*hp = %d *mic = %d\n", *hp, *mic);
373
374 return 0;
375}
376
377static void rt274_jack_detect_work(struct work_struct *work)
378{
379 struct rt274_priv *rt274 =
380 container_of(work, struct rt274_priv, jack_detect_work.work);
381 int status = 0;
382 bool hp = false;
383 bool mic = false;
384
385 if (rt274_jack_detect(rt274, &hp, &mic) < 0)
386 return;
387
388 if (hp)
389 status |= SND_JACK_HEADPHONE;
390
391 if (mic)
392 status |= SND_JACK_MICROPHONE;
393
394 snd_soc_jack_report(rt274->jack, status,
395 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
396}
397
398static irqreturn_t rt274_irq(int irq, void *data);
399
400static int rt274_mic_detect(struct snd_soc_component *component,
401 struct snd_soc_jack *jack, void *data)
402{
403 struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component);
404
405 rt274->jack = jack;
406
407 if (jack == NULL) {
408 /* Disable jack detection */
409 regmap_update_bits(rt274->regmap, RT274_EAPD_GPIO_IRQ_CTRL,
410 RT274_IRQ_EN, RT274_IRQ_DIS);
411
412 return 0;
413 }
414
415 regmap_update_bits(rt274->regmap, RT274_EAPD_GPIO_IRQ_CTRL,
416 RT274_IRQ_EN, RT274_IRQ_EN);
417
418 /* Send an initial report */
419 rt274_irq(0, rt274);
420
421 return 0;
422}
423
424static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0);
425static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
426
427static 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),
438};
439
440static const struct snd_kcontrol_new hpol_enable_control =
441 SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT274_HPOL_GAIN,
442 RT274_MUTE_SFT, 1, 1);
443
444static const struct snd_kcontrol_new hpor_enable_control =
445 SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT274_HPOR_GAIN,
446 RT274_MUTE_SFT, 1, 1);
447
448static const struct snd_kcontrol_new loutl_enable_control =
449 SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT274_LOUTL_GAIN,
450 RT274_MUTE_SFT, 1, 1);
451
452static const struct snd_kcontrol_new loutr_enable_control =
453 SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT274_LOUTR_GAIN,
454 RT274_MUTE_SFT, 1, 1);
455
456/* ADC0 source */
457static const char * const rt274_adc_src[] = {
458 "Mic", "Line1", "Line2", "Dmic"
459};
460
461static SOC_ENUM_SINGLE_DECL(
462 rt274_adc0_enum, RT274_ADC0_MUX, RT274_ADC_SEL_SFT,
463 rt274_adc_src);
464
465static const struct snd_kcontrol_new rt274_adc0_mux =
466 SOC_DAPM_ENUM("ADC 0 source", rt274_adc0_enum);
467
468static SOC_ENUM_SINGLE_DECL(
469 rt274_adc1_enum, RT274_ADC1_MUX, RT274_ADC_SEL_SFT,
470 rt274_adc_src);
471
472static const struct snd_kcontrol_new rt274_adc1_mux =
473 SOC_DAPM_ENUM("ADC 1 source", rt274_adc1_enum);
474
475static const char * const rt274_dac_src[] = {
476 "DAC OUT0", "DAC OUT1"
477};
478/* HP-OUT source */
479static SOC_ENUM_SINGLE_DECL(rt274_hpo_enum, RT274_HPO_MUX,
480 0, rt274_dac_src);
481
482static const struct snd_kcontrol_new rt274_hpo_mux =
483SOC_DAPM_ENUM("HPO source", rt274_hpo_enum);
484
485/* Line out source */
486static SOC_ENUM_SINGLE_DECL(rt274_lout_enum, RT274_LOUT_MUX,
487 0, rt274_dac_src);
488
489static const struct snd_kcontrol_new rt274_lout_mux =
490SOC_DAPM_ENUM("LOUT source", rt274_lout_enum);
491
492static const struct snd_soc_dapm_widget rt274_dapm_widgets[] = {
493 /* Input Lines */
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"),
499
500 /* DMIC */
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),
503
504 /* ADCs */
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),
507
508 /* ADC Mux */
509 SND_SOC_DAPM_MUX("ADC 0 Mux", SND_SOC_NOPM, 0, 0,
510 &rt274_adc0_mux),
511 SND_SOC_DAPM_MUX("ADC 1 Mux", SND_SOC_NOPM, 0, 0,
512 &rt274_adc1_mux),
513
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),
523
524 /* Output Side */
525 /* DACs */
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),
528
529 /* Output Mux */
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),
532
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),
537
538 /* Output Mixer */
539 SND_SOC_DAPM_PGA("DAC OUT0", SND_SOC_NOPM, 0, 0,
540 NULL, 0),
541 SND_SOC_DAPM_PGA("DAC OUT1", SND_SOC_NOPM, 0, 0,
542 NULL, 0),
543
544 /* Output Pga */
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),
553
554 /* Output Lines */
555 SND_SOC_DAPM_OUTPUT("HPO Pin"),
556 SND_SOC_DAPM_OUTPUT("SPDIF"),
557 SND_SOC_DAPM_OUTPUT("LINE3"),
558};
559
560static const struct snd_soc_dapm_route rt274_dapm_routes[] = {
561 {"DMIC1", NULL, "DMIC1 Pin"},
562 {"DMIC2", NULL, "DMIC2 Pin"},
563
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"},
572
573 {"ADC 0", NULL, "ADC 0 Mux"},
574 {"ADC 1", NULL, "ADC 1 Mux"},
575
576 {"AIF1TXL", NULL, "ADC 0"},
577 {"AIF1TXR", NULL, "ADC 0"},
578 {"AIF2TXL", NULL, "ADC 1"},
579 {"AIF2TXR", NULL, "ADC 1"},
580
581 {"DAC 0", NULL, "AIF1RXL"},
582 {"DAC 0", NULL, "AIF1RXR"},
583 {"DAC 1", NULL, "AIF2RXL"},
584 {"DAC 1", NULL, "AIF2RXR"},
585
586 {"DAC OUT0", NULL, "DAC 0"},
587
588 {"DAC OUT1", NULL, "DAC 1"},
589
590 {"LOUT Mux", "DAC OUT0", "DAC OUT0"},
591 {"LOUT Mux", "DAC OUT1", "DAC OUT1"},
592
593 {"LOUT L", "Switch", "LOUT Mux"},
594 {"LOUT R", "Switch", "LOUT Mux"},
595 {"LOUT L", NULL, "LOUT Power"},
596 {"LOUT R", NULL, "LOUT Power"},
597
598 {"LINE3", NULL, "LOUT L"},
599 {"LINE3", NULL, "LOUT R"},
600
601 {"HPO Mux", "DAC OUT0", "DAC OUT0"},
602 {"HPO Mux", "DAC OUT1", "DAC OUT1"},
603
604 {"HPO L", "Switch", "HPO Mux"},
605 {"HPO R", "Switch", "HPO Mux"},
606 {"HPO L", NULL, "HP Power"},
607 {"HPO R", NULL, "HP Power"},
608
609 {"HPO Pin", NULL, "HPO L"},
610 {"HPO Pin", NULL, "HPO R"},
611};
612
613static int rt274_hw_params(struct snd_pcm_substream *substream,
614 struct snd_pcm_hw_params *params,
615 struct snd_soc_dai *dai)
616{
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;
621
622 switch (params_rate(params)) {
623 /* bit 14 0:48K 1:44.1K */
624 case 44100:
625 case 48000:
626 break;
627 default:
628 dev_err(component->dev, "Unsupported sample rate %d\n",
629 params_rate(params));
630 return -EINVAL;
631 }
632 switch (rt274->sys_clk) {
633 case 12288000:
634 case 24576000:
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);
638 return -EINVAL;
639 }
640 break;
641 case 11289600:
642 case 22579200:
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);
646 return -EINVAL;
647 }
648 break;
649 }
650
651 if (params_channels(params) <= 16) {
652 /* bit 3:0 Number of Channel */
653 val |= (params_channels(params) - 1);
654 } else {
655 dev_err(component->dev, "Unsupported channels %d\n",
656 params_channels(params));
657 return -EINVAL;
658 }
659
660 switch (params_width(params)) {
661 /* bit 6:4 Bits per Sample */
662 case 16:
663 d_len_code = 0;
664 c_len_code = 0;
665 val |= (0x1 << 4);
666 break;
667 case 32:
668 d_len_code = 2;
669 c_len_code = 3;
670 val |= (0x4 << 4);
671 break;
672 case 20:
673 d_len_code = 1;
674 c_len_code = 1;
675 val |= (0x2 << 4);
676 break;
677 case 24:
678 d_len_code = 2;
679 c_len_code = 2;
680 val |= (0x3 << 4);
681 break;
682 case 8:
683 d_len_code = 3;
684 c_len_code = 0;
685 break;
686 default:
687 return -EINVAL;
688 }
689
690 if (rt274->master)
691 c_len_code = 0x3;
692
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);
696
697 snd_soc_component_update_bits(component, RT274_DAC_FORMAT, 0x407f, val);
698 snd_soc_component_update_bits(component, RT274_ADC_FORMAT, 0x407f, val);
699
700 return 0;
701}
702
703static int rt274_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
704{
705 struct snd_soc_component *component = dai->component;
706 struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component);
707
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;
713 break;
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;
718 break;
719 default:
720 return -EINVAL;
721 }
722
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);
727 break;
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);
731 break;
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);
735 break;
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);
739 break;
740 default:
741 return -EINVAL;
742 }
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);
746
747 return 0;
748}
749
750static int rt274_set_dai_pll(struct snd_soc_dai *dai, int pll_id, int source,
751 unsigned int freq_in, unsigned int freq_out)
752{
753 struct snd_soc_component *component = dai->component;
754 struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component);
755
756 switch (source) {
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);
760 break;
761 default:
762 dev_warn(component->dev, "invalid pll source, use BCLK\n");
763 fallthrough;
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);
767 break;
768 }
769
770 if (source == RT274_PLL2_S_BCLK) {
771 snd_soc_component_update_bits(component, RT274_MCLK_CTRL,
772 (0x3 << 12), (0x3 << 12));
773 switch (rt274->fs) {
774 case 50:
775 snd_soc_component_write(component, 0x7a, 0xaab6);
776 snd_soc_component_write(component, 0x7b, 0x0301);
777 snd_soc_component_write(component, 0x7c, 0x04fe);
778 break;
779 case 64:
780 snd_soc_component_write(component, 0x7a, 0xaa96);
781 snd_soc_component_write(component, 0x7b, 0x8003);
782 snd_soc_component_write(component, 0x7c, 0x081e);
783 break;
784 case 128:
785 snd_soc_component_write(component, 0x7a, 0xaa96);
786 snd_soc_component_write(component, 0x7b, 0x8003);
787 snd_soc_component_write(component, 0x7c, 0x080e);
788 break;
789 default:
790 dev_warn(component->dev, "invalid freq_in, assume 4.8M\n");
791 fallthrough;
792 case 100:
793 snd_soc_component_write(component, 0x7a, 0xaab6);
794 snd_soc_component_write(component, 0x7b, 0x0301);
795 snd_soc_component_write(component, 0x7c, 0x047e);
796 break;
797 }
798 }
799
800 return 0;
801}
802
803static int rt274_set_dai_sysclk(struct snd_soc_dai *dai,
804 int clk_id, unsigned int freq, int dir)
805{
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;
809
810 dev_dbg(component->dev, "%s freq=%d\n", __func__, freq);
811
812 switch (clk_id) {
813 case RT274_SCLK_S_MCLK:
814 mclk_en = RT274_MCLK_MODE_EN;
815 clk_src = RT274_CLK_SRC_MCLK;
816 break;
817 case RT274_SCLK_S_PLL1:
818 mclk_en = RT274_MCLK_MODE_DIS;
819 clk_src = RT274_CLK_SRC_MCLK;
820 break;
821 case RT274_SCLK_S_PLL2:
822 mclk_en = RT274_MCLK_MODE_EN;
823 clk_src = RT274_CLK_SRC_PLL2;
824 break;
825 default:
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");
829 break;
830 }
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);
835
836 switch (freq) {
837 case 19200000:
838 if (clk_id == RT274_SCLK_S_MCLK) {
839 dev_err(component->dev, "Should not use MCLK\n");
840 return -EINVAL;
841 }
842 snd_soc_component_update_bits(component,
843 RT274_I2S_CTRL2, 0x40, 0x40);
844 break;
845 case 24000000:
846 if (clk_id == RT274_SCLK_S_MCLK) {
847 dev_err(component->dev, "Should not use MCLK\n");
848 return -EINVAL;
849 }
850 snd_soc_component_update_bits(component,
851 RT274_I2S_CTRL2, 0x40, 0x0);
852 break;
853 case 12288000:
854 case 11289600:
855 snd_soc_component_update_bits(component,
856 RT274_MCLK_CTRL, 0x1fcf, 0x0008);
857 break;
858 case 24576000:
859 case 22579200:
860 snd_soc_component_update_bits(component,
861 RT274_MCLK_CTRL, 0x1fcf, 0x1543);
862 break;
863 default:
864 dev_err(component->dev, "Unsupported system clock\n");
865 return -EINVAL;
866 }
867
868 rt274->sys_clk = freq;
869 rt274->clk_id = clk_id;
870
871 return 0;
872}
873
874static int rt274_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
875{
876 struct snd_soc_component *component = dai->component;
877 struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component);
878
879 dev_dbg(component->dev, "%s ratio=%d\n", __func__, ratio);
880 rt274->fs = ratio;
881 if ((ratio / 50) == 0)
882 snd_soc_component_update_bits(component,
883 RT274_I2S_CTRL1, 0x1000, 0x1000);
884 else
885 snd_soc_component_update_bits(component,
886 RT274_I2S_CTRL1, 0x1000, 0x0);
887
888
889 return 0;
890}
891
892static int rt274_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
893 unsigned int rx_mask, int slots, int slot_width)
894
895{
896 struct snd_soc_component *component = dai->component;
897
898 if (rx_mask || tx_mask) {
899 snd_soc_component_update_bits(component,
900 RT274_I2S_CTRL1, RT274_TDM_EN, RT274_TDM_EN);
901 } else {
902 snd_soc_component_update_bits(component,
903 RT274_I2S_CTRL1, RT274_TDM_EN, RT274_TDM_DIS);
904 return 0;
905 }
906
907 switch (slots) {
908 case 4:
909 snd_soc_component_update_bits(component,
910 RT274_I2S_CTRL1, RT274_TDM_CH_NUM, RT274_TDM_4CH);
911 break;
912 case 2:
913 snd_soc_component_update_bits(component,
914 RT274_I2S_CTRL1, RT274_TDM_CH_NUM, RT274_TDM_2CH);
915 break;
916 default:
917 dev_err(component->dev,
918 "Support 2 or 4 slots TDM only\n");
919 return -EINVAL;
920 }
921
922 return 0;
923}
924
925static int rt274_set_bias_level(struct snd_soc_component *component,
926 enum snd_soc_bias_level level)
927{
928 switch (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);
934 }
935 break;
936
937 case SND_SOC_BIAS_STANDBY:
938 snd_soc_component_write(component,
939 RT274_SET_AUDIO_POWER, AC_PWRST_D3);
940 break;
941
942 default:
943 break;
944 }
945
946 return 0;
947}
948
949static irqreturn_t rt274_irq(int irq, void *data)
950{
951 struct rt274_priv *rt274 = data;
952 bool hp = false;
953 bool mic = false;
954 int ret, status = 0;
955
956 /* Clear IRQ */
957 regmap_update_bits(rt274->regmap, RT274_EAPD_GPIO_IRQ_CTRL,
958 RT274_IRQ_CLR, RT274_IRQ_CLR);
959
960 ret = rt274_jack_detect(rt274, &hp, &mic);
961
962 if (ret == 0) {
963 if (hp)
964 status |= SND_JACK_HEADPHONE;
965
966 if (mic)
967 status |= SND_JACK_MICROPHONE;
968
969 snd_soc_jack_report(rt274->jack, status,
970 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
971
972 pm_wakeup_event(&rt274->i2c->dev, 300);
973 }
974
975 return IRQ_HANDLED;
976}
977
978static int rt274_probe(struct snd_soc_component *component)
979{
980 struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component);
981
982 rt274->component = component;
983 INIT_DELAYED_WORK(&rt274->jack_detect_work, rt274_jack_detect_work);
984
985 if (rt274->i2c->irq)
986 schedule_delayed_work(&rt274->jack_detect_work,
987 msecs_to_jiffies(1250));
988 return 0;
989}
990
991static void rt274_remove(struct snd_soc_component *component)
992{
993 struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component);
994
995 cancel_delayed_work_sync(&rt274->jack_detect_work);
996 rt274->component = NULL;
997}
998
999#ifdef CONFIG_PM
1000static int rt274_suspend(struct snd_soc_component *component)
1001{
1002 struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component);
1003
1004 regcache_cache_only(rt274->regmap, true);
1005 regcache_mark_dirty(rt274->regmap);
1006
1007 return 0;
1008}
1009
1010static int rt274_resume(struct snd_soc_component *component)
1011{
1012 struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component);
1013
1014 regcache_cache_only(rt274->regmap, false);
1015 rt274_index_sync(component);
1016 regcache_sync(rt274->regmap);
1017
1018 return 0;
1019}
1020#else
1021#define rt274_suspend NULL
1022#define rt274_resume NULL
1023#endif
1024
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)
1028
1029static 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,
1036};
1037
1038static struct snd_soc_dai_driver rt274_dai[] = {
1039 {
1040 .name = "rt274-aif1",
1041 .id = RT274_AIF1,
1042 .playback = {
1043 .stream_name = "AIF1 Playback",
1044 .channels_min = 1,
1045 .channels_max = 2,
1046 .rates = RT274_STEREO_RATES,
1047 .formats = RT274_FORMATS,
1048 },
1049 .capture = {
1050 .stream_name = "AIF1 Capture",
1051 .channels_min = 1,
1052 .channels_max = 2,
1053 .rates = RT274_STEREO_RATES,
1054 .formats = RT274_FORMATS,
1055 },
1056 .ops = &rt274_aif_dai_ops,
1057 .symmetric_rate = 1,
1058 },
1059};
1060
1061static 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,
1075 .endianness = 1,
1076};
1077
1078static const struct regmap_config rt274_regmap = {
1079 .reg_bits = 32,
1080 .val_bits = 32,
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),
1089};
1090
1091#ifdef CONFIG_OF
1092static const struct of_device_id rt274_of_match[] = {
1093 {.compatible = "realtek,rt274"},
1094 {},
1095};
1096MODULE_DEVICE_TABLE(of, rt274_of_match);
1097#endif
1098
1099static const struct i2c_device_id rt274_i2c_id[] = {
1100 {"rt274"},
1101 {}
1102};
1103MODULE_DEVICE_TABLE(i2c, rt274_i2c_id);
1104
1105#ifdef CONFIG_ACPI
1106static const struct acpi_device_id rt274_acpi_match[] = {
1107 { "10EC0274", 0 },
1108 { "INT34C2", 0 },
1109 {},
1110};
1111MODULE_DEVICE_TABLE(acpi, rt274_acpi_match);
1112#endif
1113
1114static int rt274_i2c_probe(struct i2c_client *i2c)
1115{
1116 struct rt274_priv *rt274;
1117
1118 int ret;
1119 unsigned int val;
1120
1121 rt274 = devm_kzalloc(&i2c->dev, sizeof(*rt274),
1122 GFP_KERNEL);
1123 if (rt274 == NULL)
1124 return -ENOMEM;
1125
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",
1130 ret);
1131 return ret;
1132 }
1133
1134 ret = regmap_read(rt274->regmap,
1135 RT274_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID), &val);
1136 if (ret)
1137 return ret;
1138
1139 if (val != RT274_VENDOR_ID) {
1140 dev_err(&i2c->dev,
1141 "Device with ID register %#x is not rt274\n", val);
1142 return -ENODEV;
1143 }
1144
1145 rt274->index_cache = devm_kmemdup(&i2c->dev, rt274_index_def,
1146 sizeof(rt274_index_def), GFP_KERNEL);
1147 if (!rt274->index_cache)
1148 return -ENOMEM;
1149
1150 rt274->index_cache_size = INDEX_CACHE_SIZE;
1151 rt274->i2c = i2c;
1152 i2c_set_clientdata(i2c, rt274);
1153
1154 /* reset codec */
1155 regmap_write(rt274->regmap, RT274_RESET, 0);
1156 regmap_update_bits(rt274->regmap, 0x1a, 0x4000, 0x4000);
1157
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);
1165 /* Aux mode off */
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);
1172 msleep(500);
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);
1181
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);
1185
1186 /* jack detection */
1187 regmap_write(rt274->regmap, RT274_UNSOLICITED_HP_OUT, 0x81);
1188 regmap_write(rt274->regmap, RT274_UNSOLICITED_MIC, 0x82);
1189
1190 if (rt274->i2c->irq) {
1191 ret = request_threaded_irq(rt274->i2c->irq, NULL, rt274_irq,
1192 IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "rt274", rt274);
1193 if (ret != 0) {
1194 dev_err(&i2c->dev,
1195 "Failed to request IRQ: %d\n", ret);
1196 return ret;
1197 }
1198 }
1199
1200 ret = devm_snd_soc_register_component(&i2c->dev,
1201 &soc_component_dev_rt274,
1202 rt274_dai, ARRAY_SIZE(rt274_dai));
1203
1204 return ret;
1205}
1206
1207static void rt274_i2c_remove(struct i2c_client *i2c)
1208{
1209 struct rt274_priv *rt274 = i2c_get_clientdata(i2c);
1210
1211 if (i2c->irq)
1212 free_irq(i2c->irq, rt274);
1213}
1214
1215
1216static struct i2c_driver rt274_i2c_driver = {
1217 .driver = {
1218 .name = "rt274",
1219 .acpi_match_table = ACPI_PTR(rt274_acpi_match),
1220#ifdef CONFIG_OF
1221 .of_match_table = of_match_ptr(rt274_of_match),
1222#endif
1223 },
1224 .probe = rt274_i2c_probe,
1225 .remove = rt274_i2c_remove,
1226 .id_table = rt274_i2c_id,
1227};
1228
1229module_i2c_driver(rt274_i2c_driver);
1230
1231MODULE_DESCRIPTION("ASoC RT274 driver");
1232MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>");
1233MODULE_LICENSE("GPL v2");