1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * rt298.c -- RT298 ALSA SoC audio codec driver
4 *
5 * Copyright 2015 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 #include <sound/rt298.h>
29
30 #include "rl6347a.h"
31 #include "rt298.h"
32
33 #define RT298_VENDOR_ID 0x10ec0298
34
35 struct rt298_priv {
36 struct reg_default *index_cache;
37 int index_cache_size;
38 struct regmap *regmap;
39 struct snd_soc_component *component;
40 struct rt298_platform_data pdata;
41 struct i2c_client *i2c;
42 struct snd_soc_jack *jack;
43 struct delayed_work jack_detect_work;
44 int sys_clk;
45 int clk_id;
46 int is_hp_in;
47 };
48
49 static const struct reg_default rt298_index_def[] = {
50 { 0x01, 0xa5a8 },
51 { 0x02, 0x8e95 },
52 { 0x03, 0x0002 },
53 { 0x04, 0xaf67 },
54 { 0x08, 0x200f },
55 { 0x09, 0xd010 },
56 { 0x0a, 0x0100 },
57 { 0x0b, 0x0000 },
58 { 0x0d, 0x2800 },
59 { 0x0f, 0x0022 },
60 { 0x19, 0x0217 },
61 { 0x20, 0x0020 },
62 { 0x33, 0x0208 },
63 { 0x46, 0x0300 },
64 { 0x49, 0x4004 },
65 { 0x4f, 0x50c9 },
66 { 0x50, 0x3000 },
67 { 0x63, 0x1b02 },
68 { 0x67, 0x1111 },
69 { 0x68, 0x1016 },
70 { 0x69, 0x273f },
71 };
72 #define INDEX_CACHE_SIZE ARRAY_SIZE(rt298_index_def)
73
74 static const struct reg_default rt298_reg[] = {
75 { 0x00170500, 0x00000400 },
76 { 0x00220000, 0x00000031 },
77 { 0x00239000, 0x0000007f },
78 { 0x0023a000, 0x0000007f },
79 { 0x00270500, 0x00000400 },
80 { 0x00370500, 0x00000400 },
81 { 0x00870500, 0x00000400 },
82 { 0x00920000, 0x00000031 },
83 { 0x00935000, 0x000000c3 },
84 { 0x00936000, 0x000000c3 },
85 { 0x00970500, 0x00000400 },
86 { 0x00b37000, 0x00000097 },
87 { 0x00b37200, 0x00000097 },
88 { 0x00b37300, 0x00000097 },
89 { 0x00c37000, 0x00000000 },
90 { 0x00c37100, 0x00000080 },
91 { 0x01270500, 0x00000400 },
92 { 0x01370500, 0x00000400 },
93 { 0x01371f00, 0x411111f0 },
94 { 0x01439000, 0x00000080 },
95 { 0x0143a000, 0x00000080 },
96 { 0x01470700, 0x00000000 },
97 { 0x01470500, 0x00000400 },
98 { 0x01470c00, 0x00000000 },
99 { 0x01470100, 0x00000000 },
100 { 0x01837000, 0x00000000 },
101 { 0x01870500, 0x00000400 },
102 { 0x02050000, 0x00000000 },
103 { 0x02139000, 0x00000080 },
104 { 0x0213a000, 0x00000080 },
105 { 0x02170100, 0x00000000 },
106 { 0x02170500, 0x00000400 },
107 { 0x02170700, 0x00000000 },
108 { 0x02270100, 0x00000000 },
109 { 0x02370100, 0x00000000 },
110 { 0x01870700, 0x00000020 },
111 { 0x00830000, 0x000000c3 },
112 { 0x00930000, 0x000000c3 },
113 { 0x01270700, 0x00000000 },
114 };
115
rt298_volatile_register(struct device * dev,unsigned int reg)116 static bool rt298_volatile_register(struct device *dev, unsigned int reg)
117 {
118 switch (reg) {
119 case 0 ... 0xff:
120 case RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
121 case RT298_GET_HP_SENSE:
122 case RT298_GET_MIC1_SENSE:
123 case RT298_PROC_COEF:
124 case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_MIC1, 0):
125 case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_SPK_OUT, 0):
126 case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_HP_OUT, 0):
127 return true;
128 default:
129 return false;
130 }
131
132
133 }
134
rt298_readable_register(struct device * dev,unsigned int reg)135 static bool rt298_readable_register(struct device *dev, unsigned int reg)
136 {
137 switch (reg) {
138 case 0 ... 0xff:
139 case RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
140 case RT298_GET_HP_SENSE:
141 case RT298_GET_MIC1_SENSE:
142 case RT298_SET_AUDIO_POWER:
143 case RT298_SET_HPO_POWER:
144 case RT298_SET_SPK_POWER:
145 case RT298_SET_DMIC1_POWER:
146 case RT298_SPK_MUX:
147 case RT298_HPO_MUX:
148 case RT298_ADC0_MUX:
149 case RT298_ADC1_MUX:
150 case RT298_SET_MIC1:
151 case RT298_SET_PIN_HPO:
152 case RT298_SET_PIN_SPK:
153 case RT298_SET_PIN_DMIC1:
154 case RT298_SPK_EAPD:
155 case RT298_SET_AMP_GAIN_HPO:
156 case RT298_SET_DMIC2_DEFAULT:
157 case RT298_DACL_GAIN:
158 case RT298_DACR_GAIN:
159 case RT298_ADCL_GAIN:
160 case RT298_ADCR_GAIN:
161 case RT298_MIC_GAIN:
162 case RT298_SPOL_GAIN:
163 case RT298_SPOR_GAIN:
164 case RT298_HPOL_GAIN:
165 case RT298_HPOR_GAIN:
166 case RT298_F_DAC_SWITCH:
167 case RT298_F_RECMIX_SWITCH:
168 case RT298_REC_MIC_SWITCH:
169 case RT298_REC_I2S_SWITCH:
170 case RT298_REC_LINE_SWITCH:
171 case RT298_REC_BEEP_SWITCH:
172 case RT298_DAC_FORMAT:
173 case RT298_ADC_FORMAT:
174 case RT298_COEF_INDEX:
175 case RT298_PROC_COEF:
176 case RT298_SET_AMP_GAIN_ADC_IN1:
177 case RT298_SET_AMP_GAIN_ADC_IN2:
178 case RT298_SET_POWER(RT298_DAC_OUT1):
179 case RT298_SET_POWER(RT298_DAC_OUT2):
180 case RT298_SET_POWER(RT298_ADC_IN1):
181 case RT298_SET_POWER(RT298_ADC_IN2):
182 case RT298_SET_POWER(RT298_DMIC2):
183 case RT298_SET_POWER(RT298_MIC1):
184 case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_MIC1, 0):
185 case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_SPK_OUT, 0):
186 case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_HP_OUT, 0):
187 return true;
188 default:
189 return false;
190 }
191 }
192
193 #ifdef CONFIG_PM
rt298_index_sync(struct snd_soc_component * component)194 static void rt298_index_sync(struct snd_soc_component *component)
195 {
196 struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
197 int i;
198
199 for (i = 0; i < INDEX_CACHE_SIZE; i++) {
200 snd_soc_component_write(component, rt298->index_cache[i].reg,
201 rt298->index_cache[i].def);
202 }
203 }
204 #endif
205
206 static int rt298_support_power_controls[] = {
207 RT298_DAC_OUT1,
208 RT298_DAC_OUT2,
209 RT298_ADC_IN1,
210 RT298_ADC_IN2,
211 RT298_MIC1,
212 RT298_DMIC1,
213 RT298_DMIC2,
214 RT298_SPK_OUT,
215 RT298_HP_OUT,
216 };
217 #define RT298_POWER_REG_LEN ARRAY_SIZE(rt298_support_power_controls)
218
rt298_jack_detect(struct rt298_priv * rt298,bool * hp,bool * mic)219 static int rt298_jack_detect(struct rt298_priv *rt298, bool *hp, bool *mic)
220 {
221 struct snd_soc_dapm_context *dapm;
222 unsigned int val, buf;
223
224 *hp = false;
225 *mic = false;
226
227 if (!rt298->component)
228 return -EINVAL;
229
230 dapm = snd_soc_component_get_dapm(rt298->component);
231
232 if (rt298->pdata.cbj_en) {
233 regmap_read(rt298->regmap, RT298_GET_HP_SENSE, &buf);
234 *hp = buf & 0x80000000;
235 if (*hp == rt298->is_hp_in)
236 return -1;
237 rt298->is_hp_in = *hp;
238 if (*hp) {
239 /* power on HV,VERF */
240 regmap_update_bits(rt298->regmap,
241 RT298_DC_GAIN, 0x200, 0x200);
242
243 snd_soc_dapm_force_enable_pin(dapm, "HV");
244 snd_soc_dapm_force_enable_pin(dapm, "VREF");
245 /* power LDO1 */
246 snd_soc_dapm_force_enable_pin(dapm, "LDO1");
247 snd_soc_dapm_sync(dapm);
248
249 regmap_update_bits(rt298->regmap,
250 RT298_POWER_CTRL1, 0x1001, 0);
251 regmap_update_bits(rt298->regmap,
252 RT298_POWER_CTRL2, 0x4, 0x4);
253
254 regmap_write(rt298->regmap, RT298_SET_MIC1, 0x24);
255 msleep(50);
256
257 regmap_update_bits(rt298->regmap,
258 RT298_CBJ_CTRL1, 0xfcc0, 0xd400);
259 msleep(300);
260 regmap_read(rt298->regmap, RT298_CBJ_CTRL2, &val);
261
262 if (0x0070 == (val & 0x0070)) {
263 *mic = true;
264 } else {
265 regmap_update_bits(rt298->regmap,
266 RT298_CBJ_CTRL1, 0xfcc0, 0xe400);
267 msleep(300);
268 regmap_read(rt298->regmap,
269 RT298_CBJ_CTRL2, &val);
270 if (0x0070 == (val & 0x0070)) {
271 *mic = true;
272 } else {
273 *mic = false;
274 regmap_update_bits(rt298->regmap,
275 RT298_CBJ_CTRL1,
276 0xfcc0, 0xc400);
277 }
278 }
279
280 regmap_update_bits(rt298->regmap,
281 RT298_DC_GAIN, 0x200, 0x0);
282
283 } else {
284 *mic = false;
285 regmap_write(rt298->regmap, RT298_SET_MIC1, 0x20);
286 regmap_update_bits(rt298->regmap,
287 RT298_CBJ_CTRL1, 0x0400, 0x0000);
288 }
289 } else {
290 regmap_read(rt298->regmap, RT298_GET_HP_SENSE, &buf);
291 *hp = buf & 0x80000000;
292 regmap_read(rt298->regmap, RT298_GET_MIC1_SENSE, &buf);
293 *mic = buf & 0x80000000;
294 }
295 if (!*mic) {
296 snd_soc_dapm_disable_pin(dapm, "HV");
297 snd_soc_dapm_disable_pin(dapm, "VREF");
298 }
299 if (!*hp)
300 snd_soc_dapm_disable_pin(dapm, "LDO1");
301 snd_soc_dapm_sync(dapm);
302
303 pr_debug("*hp = %d *mic = %d\n", *hp, *mic);
304
305 return 0;
306 }
307
rt298_jack_detect_work(struct work_struct * work)308 static void rt298_jack_detect_work(struct work_struct *work)
309 {
310 struct rt298_priv *rt298 =
311 container_of(work, struct rt298_priv, jack_detect_work.work);
312 int status = 0;
313 bool hp = false;
314 bool mic = false;
315
316 if (rt298_jack_detect(rt298, &hp, &mic) < 0)
317 return;
318
319 if (hp)
320 status |= SND_JACK_HEADPHONE;
321
322 if (mic)
323 status |= SND_JACK_MICROPHONE;
324
325 snd_soc_jack_report(rt298->jack, status,
326 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
327 }
328
rt298_mic_detect(struct snd_soc_component * component,struct snd_soc_jack * jack,void * data)329 static int rt298_mic_detect(struct snd_soc_component *component,
330 struct snd_soc_jack *jack, void *data)
331 {
332 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
333 struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
334
335 rt298->jack = jack;
336
337 if (jack) {
338 /* Enable IRQ */
339 if (rt298->jack->status & SND_JACK_HEADPHONE)
340 snd_soc_dapm_force_enable_pin(dapm, "LDO1");
341 if (rt298->jack->status & SND_JACK_MICROPHONE) {
342 snd_soc_dapm_force_enable_pin(dapm, "HV");
343 snd_soc_dapm_force_enable_pin(dapm, "VREF");
344 }
345 regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x2, 0x2);
346 /* Send an initial empty report */
347 snd_soc_jack_report(rt298->jack, rt298->jack->status,
348 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
349 } else {
350 /* Disable IRQ */
351 regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x2, 0x0);
352 snd_soc_dapm_disable_pin(dapm, "HV");
353 snd_soc_dapm_disable_pin(dapm, "VREF");
354 snd_soc_dapm_disable_pin(dapm, "LDO1");
355 }
356 snd_soc_dapm_sync(dapm);
357
358 return 0;
359 }
360
is_mclk_mode(struct snd_soc_dapm_widget * source,struct snd_soc_dapm_widget * sink)361 static int is_mclk_mode(struct snd_soc_dapm_widget *source,
362 struct snd_soc_dapm_widget *sink)
363 {
364 struct snd_soc_component *component = snd_soc_dapm_to_component(source->dapm);
365 struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
366
367 if (rt298->clk_id == RT298_SCLK_S_MCLK)
368 return 1;
369 else
370 return 0;
371 }
372
373 static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0);
374 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
375
376 static const struct snd_kcontrol_new rt298_snd_controls[] = {
377 SOC_DOUBLE_R_TLV("DAC0 Playback Volume", RT298_DACL_GAIN,
378 RT298_DACR_GAIN, 0, 0x7f, 0, out_vol_tlv),
379 SOC_DOUBLE_R_TLV("ADC0 Capture Volume", RT298_ADCL_GAIN,
380 RT298_ADCR_GAIN, 0, 0x7f, 0, out_vol_tlv),
381 SOC_SINGLE_TLV("AMIC Volume", RT298_MIC_GAIN,
382 0, 0x3, 0, mic_vol_tlv),
383 SOC_DOUBLE_R("Speaker Playback Switch", RT298_SPOL_GAIN,
384 RT298_SPOR_GAIN, RT298_MUTE_SFT, 1, 1),
385 };
386
387 /* Digital Mixer */
388 static const struct snd_kcontrol_new rt298_front_mix[] = {
389 SOC_DAPM_SINGLE("DAC Switch", RT298_F_DAC_SWITCH,
390 RT298_MUTE_SFT, 1, 1),
391 SOC_DAPM_SINGLE("RECMIX Switch", RT298_F_RECMIX_SWITCH,
392 RT298_MUTE_SFT, 1, 1),
393 };
394
395 /* Analog Input Mixer */
396 static const struct snd_kcontrol_new rt298_rec_mix[] = {
397 SOC_DAPM_SINGLE("Mic1 Switch", RT298_REC_MIC_SWITCH,
398 RT298_MUTE_SFT, 1, 1),
399 SOC_DAPM_SINGLE("I2S Switch", RT298_REC_I2S_SWITCH,
400 RT298_MUTE_SFT, 1, 1),
401 SOC_DAPM_SINGLE("Line1 Switch", RT298_REC_LINE_SWITCH,
402 RT298_MUTE_SFT, 1, 1),
403 SOC_DAPM_SINGLE("Beep Switch", RT298_REC_BEEP_SWITCH,
404 RT298_MUTE_SFT, 1, 1),
405 };
406
407 static const struct snd_kcontrol_new spo_enable_control =
408 SOC_DAPM_SINGLE("Switch", RT298_SET_PIN_SPK,
409 RT298_SET_PIN_SFT, 1, 0);
410
411 static const struct snd_kcontrol_new hpol_enable_control =
412 SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT298_HPOL_GAIN,
413 RT298_MUTE_SFT, 1, 1);
414
415 static const struct snd_kcontrol_new hpor_enable_control =
416 SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT298_HPOR_GAIN,
417 RT298_MUTE_SFT, 1, 1);
418
419 /* ADC0 source */
420 static const char * const rt298_adc_src[] = {
421 "Mic", "RECMIX", "Dmic"
422 };
423
424 static const int rt298_adc_values[] = {
425 0, 4, 5,
426 };
427
428 static SOC_VALUE_ENUM_SINGLE_DECL(
429 rt298_adc0_enum, RT298_ADC0_MUX, RT298_ADC_SEL_SFT,
430 RT298_ADC_SEL_MASK, rt298_adc_src, rt298_adc_values);
431
432 static const struct snd_kcontrol_new rt298_adc0_mux =
433 SOC_DAPM_ENUM("ADC 0 source", rt298_adc0_enum);
434
435 static SOC_VALUE_ENUM_SINGLE_DECL(
436 rt298_adc1_enum, RT298_ADC1_MUX, RT298_ADC_SEL_SFT,
437 RT298_ADC_SEL_MASK, rt298_adc_src, rt298_adc_values);
438
439 static const struct snd_kcontrol_new rt298_adc1_mux =
440 SOC_DAPM_ENUM("ADC 1 source", rt298_adc1_enum);
441
442 static const char * const rt298_dac_src[] = {
443 "Front", "Surround"
444 };
445 /* HP-OUT source */
446 static SOC_ENUM_SINGLE_DECL(rt298_hpo_enum, RT298_HPO_MUX,
447 0, rt298_dac_src);
448
449 static const struct snd_kcontrol_new rt298_hpo_mux =
450 SOC_DAPM_ENUM("HPO source", rt298_hpo_enum);
451
452 /* SPK-OUT source */
453 static SOC_ENUM_SINGLE_DECL(rt298_spo_enum, RT298_SPK_MUX,
454 0, rt298_dac_src);
455
456 static const struct snd_kcontrol_new rt298_spo_mux =
457 SOC_DAPM_ENUM("SPO source", rt298_spo_enum);
458
rt298_spk_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)459 static int rt298_spk_event(struct snd_soc_dapm_widget *w,
460 struct snd_kcontrol *kcontrol, int event)
461 {
462 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
463
464 switch (event) {
465 case SND_SOC_DAPM_POST_PMU:
466 snd_soc_component_write(component,
467 RT298_SPK_EAPD, RT298_SET_EAPD_HIGH);
468 break;
469 case SND_SOC_DAPM_PRE_PMD:
470 snd_soc_component_write(component,
471 RT298_SPK_EAPD, RT298_SET_EAPD_LOW);
472 break;
473
474 default:
475 return 0;
476 }
477
478 return 0;
479 }
480
rt298_set_dmic1_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)481 static int rt298_set_dmic1_event(struct snd_soc_dapm_widget *w,
482 struct snd_kcontrol *kcontrol, int event)
483 {
484 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
485
486 switch (event) {
487 case SND_SOC_DAPM_POST_PMU:
488 snd_soc_component_write(component, RT298_SET_PIN_DMIC1, 0x20);
489 break;
490 case SND_SOC_DAPM_PRE_PMD:
491 snd_soc_component_write(component, RT298_SET_PIN_DMIC1, 0);
492 break;
493 default:
494 return 0;
495 }
496
497 return 0;
498 }
499
rt298_adc_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)500 static int rt298_adc_event(struct snd_soc_dapm_widget *w,
501 struct snd_kcontrol *kcontrol, int event)
502 {
503 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
504 unsigned int nid;
505
506 nid = (w->reg >> 20) & 0xff;
507
508 switch (event) {
509 case SND_SOC_DAPM_POST_PMU:
510 snd_soc_component_update_bits(component,
511 VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
512 0x7080, 0x7000);
513 /* If MCLK doesn't exist, reset AD filter */
514 if (!(snd_soc_component_read(component, RT298_VAD_CTRL) & 0x200)) {
515 pr_info("NO MCLK\n");
516 switch (nid) {
517 case RT298_ADC_IN1:
518 snd_soc_component_update_bits(component,
519 RT298_D_FILTER_CTRL, 0x2, 0x2);
520 mdelay(10);
521 snd_soc_component_update_bits(component,
522 RT298_D_FILTER_CTRL, 0x2, 0x0);
523 break;
524 case RT298_ADC_IN2:
525 snd_soc_component_update_bits(component,
526 RT298_D_FILTER_CTRL, 0x4, 0x4);
527 mdelay(10);
528 snd_soc_component_update_bits(component,
529 RT298_D_FILTER_CTRL, 0x4, 0x0);
530 break;
531 }
532 }
533 break;
534 case SND_SOC_DAPM_PRE_PMD:
535 snd_soc_component_update_bits(component,
536 VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
537 0x7080, 0x7080);
538 break;
539 default:
540 return 0;
541 }
542
543 return 0;
544 }
545
rt298_mic1_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)546 static int rt298_mic1_event(struct snd_soc_dapm_widget *w,
547 struct snd_kcontrol *kcontrol, int event)
548 {
549 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
550
551 switch (event) {
552 case SND_SOC_DAPM_PRE_PMU:
553 snd_soc_component_update_bits(component,
554 RT298_A_BIAS_CTRL3, 0xc000, 0x8000);
555 snd_soc_component_update_bits(component,
556 RT298_A_BIAS_CTRL2, 0xc000, 0x8000);
557 break;
558 case SND_SOC_DAPM_POST_PMD:
559 snd_soc_component_update_bits(component,
560 RT298_A_BIAS_CTRL3, 0xc000, 0x0000);
561 snd_soc_component_update_bits(component,
562 RT298_A_BIAS_CTRL2, 0xc000, 0x0000);
563 break;
564 default:
565 return 0;
566 }
567
568 return 0;
569 }
570
571 static const struct snd_soc_dapm_widget rt298_dapm_widgets[] = {
572
573 SND_SOC_DAPM_SUPPLY_S("HV", 1, RT298_POWER_CTRL1,
574 12, 1, NULL, 0),
575 SND_SOC_DAPM_SUPPLY("VREF", RT298_POWER_CTRL1,
576 0, 1, NULL, 0),
577 SND_SOC_DAPM_SUPPLY_S("BG_MBIAS", 1, RT298_POWER_CTRL2,
578 1, 0, NULL, 0),
579 SND_SOC_DAPM_SUPPLY_S("LDO1", 1, RT298_POWER_CTRL2,
580 2, 0, NULL, 0),
581 SND_SOC_DAPM_SUPPLY_S("LDO2", 1, RT298_POWER_CTRL2,
582 3, 0, NULL, 0),
583 SND_SOC_DAPM_SUPPLY_S("VREF1", 1, RT298_POWER_CTRL2,
584 4, 1, NULL, 0),
585 SND_SOC_DAPM_SUPPLY_S("LV", 2, RT298_POWER_CTRL1,
586 13, 1, NULL, 0),
587
588
589 SND_SOC_DAPM_SUPPLY("MCLK MODE", RT298_PLL_CTRL1,
590 5, 0, NULL, 0),
591 SND_SOC_DAPM_SUPPLY("MIC1 Input Buffer", SND_SOC_NOPM,
592 0, 0, rt298_mic1_event, SND_SOC_DAPM_PRE_PMU |
593 SND_SOC_DAPM_POST_PMD),
594
595 /* Input Lines */
596 SND_SOC_DAPM_INPUT("DMIC1 Pin"),
597 SND_SOC_DAPM_INPUT("DMIC2 Pin"),
598 SND_SOC_DAPM_INPUT("MIC1"),
599 SND_SOC_DAPM_INPUT("LINE1"),
600 SND_SOC_DAPM_INPUT("Beep"),
601
602 /* DMIC */
603 SND_SOC_DAPM_PGA_E("DMIC1", RT298_SET_POWER(RT298_DMIC1), 0, 1,
604 NULL, 0, rt298_set_dmic1_event,
605 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
606 SND_SOC_DAPM_PGA("DMIC2", RT298_SET_POWER(RT298_DMIC2), 0, 1,
607 NULL, 0),
608 SND_SOC_DAPM_SUPPLY("DMIC Receiver", SND_SOC_NOPM,
609 0, 0, NULL, 0),
610
611 /* REC Mixer */
612 SND_SOC_DAPM_MIXER("RECMIX", SND_SOC_NOPM, 0, 0,
613 rt298_rec_mix, ARRAY_SIZE(rt298_rec_mix)),
614
615 /* ADCs */
616 SND_SOC_DAPM_ADC("ADC 0", NULL, SND_SOC_NOPM, 0, 0),
617 SND_SOC_DAPM_ADC("ADC 1", NULL, SND_SOC_NOPM, 0, 0),
618
619 /* ADC Mux */
620 SND_SOC_DAPM_MUX_E("ADC 0 Mux", RT298_SET_POWER(RT298_ADC_IN1), 0, 1,
621 &rt298_adc0_mux, rt298_adc_event, SND_SOC_DAPM_PRE_PMD |
622 SND_SOC_DAPM_POST_PMU),
623 SND_SOC_DAPM_MUX_E("ADC 1 Mux", RT298_SET_POWER(RT298_ADC_IN2), 0, 1,
624 &rt298_adc1_mux, rt298_adc_event, SND_SOC_DAPM_PRE_PMD |
625 SND_SOC_DAPM_POST_PMU),
626
627 /* Audio Interface */
628 SND_SOC_DAPM_AIF_IN("AIF1RX", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
629 SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
630 SND_SOC_DAPM_AIF_IN("AIF2RX", "AIF2 Playback", 0, SND_SOC_NOPM, 0, 0),
631 SND_SOC_DAPM_AIF_OUT("AIF2TX", "AIF2 Capture", 0, SND_SOC_NOPM, 0, 0),
632
633 /* Output Side */
634 /* DACs */
635 SND_SOC_DAPM_DAC("DAC 0", NULL, SND_SOC_NOPM, 0, 0),
636 SND_SOC_DAPM_DAC("DAC 1", NULL, SND_SOC_NOPM, 0, 0),
637
638 /* Output Mux */
639 SND_SOC_DAPM_MUX("SPK Mux", SND_SOC_NOPM, 0, 0, &rt298_spo_mux),
640 SND_SOC_DAPM_MUX("HPO Mux", SND_SOC_NOPM, 0, 0, &rt298_hpo_mux),
641
642 SND_SOC_DAPM_SUPPLY("HP Power", RT298_SET_PIN_HPO,
643 RT298_SET_PIN_SFT, 0, NULL, 0),
644
645 /* Output Mixer */
646 SND_SOC_DAPM_MIXER("Front", RT298_SET_POWER(RT298_DAC_OUT1), 0, 1,
647 rt298_front_mix, ARRAY_SIZE(rt298_front_mix)),
648 SND_SOC_DAPM_PGA("Surround", RT298_SET_POWER(RT298_DAC_OUT2), 0, 1,
649 NULL, 0),
650
651 /* Output Pga */
652 SND_SOC_DAPM_SWITCH_E("SPO", SND_SOC_NOPM, 0, 0,
653 &spo_enable_control, rt298_spk_event,
654 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
655 SND_SOC_DAPM_SWITCH("HPO L", SND_SOC_NOPM, 0, 0,
656 &hpol_enable_control),
657 SND_SOC_DAPM_SWITCH("HPO R", SND_SOC_NOPM, 0, 0,
658 &hpor_enable_control),
659
660 /* Output Lines */
661 SND_SOC_DAPM_OUTPUT("SPOL"),
662 SND_SOC_DAPM_OUTPUT("SPOR"),
663 SND_SOC_DAPM_OUTPUT("HPO Pin"),
664 SND_SOC_DAPM_OUTPUT("SPDIF"),
665 };
666
667 static const struct snd_soc_dapm_route rt298_dapm_routes[] = {
668
669 {"ADC 0", NULL, "MCLK MODE", is_mclk_mode},
670 {"ADC 1", NULL, "MCLK MODE", is_mclk_mode},
671 {"Front", NULL, "MCLK MODE", is_mclk_mode},
672 {"Surround", NULL, "MCLK MODE", is_mclk_mode},
673
674 {"HP Power", NULL, "LDO1"},
675 {"HP Power", NULL, "LDO2"},
676 {"HP Power", NULL, "LV"},
677 {"HP Power", NULL, "VREF1"},
678 {"HP Power", NULL, "BG_MBIAS"},
679
680 {"MIC1", NULL, "LDO1"},
681 {"MIC1", NULL, "LDO2"},
682 {"MIC1", NULL, "HV"},
683 {"MIC1", NULL, "LV"},
684 {"MIC1", NULL, "VREF"},
685 {"MIC1", NULL, "VREF1"},
686 {"MIC1", NULL, "BG_MBIAS"},
687 {"MIC1", NULL, "MIC1 Input Buffer"},
688
689 {"SPO", NULL, "LDO1"},
690 {"SPO", NULL, "LDO2"},
691 {"SPO", NULL, "HV"},
692 {"SPO", NULL, "LV"},
693 {"SPO", NULL, "VREF"},
694 {"SPO", NULL, "VREF1"},
695 {"SPO", NULL, "BG_MBIAS"},
696
697 {"DMIC1", NULL, "DMIC1 Pin"},
698 {"DMIC2", NULL, "DMIC2 Pin"},
699 {"DMIC1", NULL, "DMIC Receiver"},
700 {"DMIC2", NULL, "DMIC Receiver"},
701
702 {"RECMIX", "Beep Switch", "Beep"},
703 {"RECMIX", "Line1 Switch", "LINE1"},
704 {"RECMIX", "Mic1 Switch", "MIC1"},
705
706 {"ADC 0 Mux", "Dmic", "DMIC1"},
707 {"ADC 0 Mux", "RECMIX", "RECMIX"},
708 {"ADC 0 Mux", "Mic", "MIC1"},
709 {"ADC 1 Mux", "Dmic", "DMIC2"},
710 {"ADC 1 Mux", "RECMIX", "RECMIX"},
711 {"ADC 1 Mux", "Mic", "MIC1"},
712
713 {"ADC 0", NULL, "ADC 0 Mux"},
714 {"ADC 1", NULL, "ADC 1 Mux"},
715
716 {"AIF1TX", NULL, "ADC 0"},
717 {"AIF2TX", NULL, "ADC 1"},
718
719 {"DAC 0", NULL, "AIF1RX"},
720 {"DAC 1", NULL, "AIF2RX"},
721
722 {"Front", "DAC Switch", "DAC 0"},
723 {"Front", "RECMIX Switch", "RECMIX"},
724
725 {"Surround", NULL, "DAC 1"},
726
727 {"SPK Mux", "Front", "Front"},
728 {"SPK Mux", "Surround", "Surround"},
729
730 {"HPO Mux", "Front", "Front"},
731 {"HPO Mux", "Surround", "Surround"},
732
733 {"SPO", "Switch", "SPK Mux"},
734 {"HPO L", "Switch", "HPO Mux"},
735 {"HPO R", "Switch", "HPO Mux"},
736 {"HPO L", NULL, "HP Power"},
737 {"HPO R", NULL, "HP Power"},
738
739 {"SPOL", NULL, "SPO"},
740 {"SPOR", NULL, "SPO"},
741 {"HPO Pin", NULL, "HPO L"},
742 {"HPO Pin", NULL, "HPO R"},
743 };
744
rt298_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)745 static int rt298_hw_params(struct snd_pcm_substream *substream,
746 struct snd_pcm_hw_params *params,
747 struct snd_soc_dai *dai)
748 {
749 struct snd_soc_component *component = dai->component;
750 struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
751 unsigned int val = 0;
752 int d_len_code;
753
754 switch (params_rate(params)) {
755 /* bit 14 0:48K 1:44.1K */
756 case 44100:
757 case 48000:
758 break;
759 default:
760 dev_err(component->dev, "Unsupported sample rate %d\n",
761 params_rate(params));
762 return -EINVAL;
763 }
764 switch (rt298->sys_clk) {
765 case 12288000:
766 case 24576000:
767 if (params_rate(params) != 48000) {
768 dev_err(component->dev, "Sys_clk is not matched (%d %d)\n",
769 params_rate(params), rt298->sys_clk);
770 return -EINVAL;
771 }
772 break;
773 case 11289600:
774 case 22579200:
775 if (params_rate(params) != 44100) {
776 dev_err(component->dev, "Sys_clk is not matched (%d %d)\n",
777 params_rate(params), rt298->sys_clk);
778 return -EINVAL;
779 }
780 break;
781 }
782
783 if (params_channels(params) <= 16) {
784 /* bit 3:0 Number of Channel */
785 val |= (params_channels(params) - 1);
786 } else {
787 dev_err(component->dev, "Unsupported channels %d\n",
788 params_channels(params));
789 return -EINVAL;
790 }
791
792 switch (params_width(params)) {
793 /* bit 6:4 Bits per Sample */
794 case 16:
795 d_len_code = 0;
796 val |= (0x1 << 4);
797 break;
798 case 32:
799 d_len_code = 2;
800 val |= (0x4 << 4);
801 break;
802 case 20:
803 d_len_code = 1;
804 val |= (0x2 << 4);
805 break;
806 case 24:
807 d_len_code = 2;
808 val |= (0x3 << 4);
809 break;
810 case 8:
811 d_len_code = 3;
812 break;
813 default:
814 return -EINVAL;
815 }
816
817 snd_soc_component_update_bits(component,
818 RT298_I2S_CTRL1, 0x0018, d_len_code << 3);
819 dev_dbg(component->dev, "format val = 0x%x\n", val);
820
821 snd_soc_component_update_bits(component, RT298_DAC_FORMAT, 0x407f, val);
822 snd_soc_component_update_bits(component, RT298_ADC_FORMAT, 0x407f, val);
823
824 return 0;
825 }
826
rt298_set_dai_fmt(struct snd_soc_dai * dai,unsigned int fmt)827 static int rt298_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
828 {
829 struct snd_soc_component *component = dai->component;
830
831 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
832 case SND_SOC_DAIFMT_CBM_CFM:
833 snd_soc_component_update_bits(component,
834 RT298_I2S_CTRL1, 0x800, 0x800);
835 break;
836 case SND_SOC_DAIFMT_CBS_CFS:
837 snd_soc_component_update_bits(component,
838 RT298_I2S_CTRL1, 0x800, 0x0);
839 break;
840 default:
841 return -EINVAL;
842 }
843
844 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
845 case SND_SOC_DAIFMT_I2S:
846 snd_soc_component_update_bits(component,
847 RT298_I2S_CTRL1, 0x300, 0x0);
848 break;
849 case SND_SOC_DAIFMT_LEFT_J:
850 snd_soc_component_update_bits(component,
851 RT298_I2S_CTRL1, 0x300, 0x1 << 8);
852 break;
853 case SND_SOC_DAIFMT_DSP_A:
854 snd_soc_component_update_bits(component,
855 RT298_I2S_CTRL1, 0x300, 0x2 << 8);
856 break;
857 case SND_SOC_DAIFMT_DSP_B:
858 snd_soc_component_update_bits(component,
859 RT298_I2S_CTRL1, 0x300, 0x3 << 8);
860 break;
861 default:
862 return -EINVAL;
863 }
864 /* bit 15 Stream Type 0:PCM 1:Non-PCM */
865 snd_soc_component_update_bits(component, RT298_DAC_FORMAT, 0x8000, 0);
866 snd_soc_component_update_bits(component, RT298_ADC_FORMAT, 0x8000, 0);
867
868 return 0;
869 }
870
rt298_set_dai_sysclk(struct snd_soc_dai * dai,int clk_id,unsigned int freq,int dir)871 static int rt298_set_dai_sysclk(struct snd_soc_dai *dai,
872 int clk_id, unsigned int freq, int dir)
873 {
874 struct snd_soc_component *component = dai->component;
875 struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
876
877 dev_dbg(component->dev, "%s freq=%d\n", __func__, freq);
878
879 if (RT298_SCLK_S_MCLK == clk_id) {
880 snd_soc_component_update_bits(component,
881 RT298_I2S_CTRL2, 0x0100, 0x0);
882 snd_soc_component_update_bits(component,
883 RT298_PLL_CTRL1, 0x20, 0x20);
884 } else {
885 snd_soc_component_update_bits(component,
886 RT298_I2S_CTRL2, 0x0100, 0x0100);
887 snd_soc_component_update_bits(component,
888 RT298_PLL_CTRL1, 0x20, 0x0);
889 }
890
891 switch (freq) {
892 case 19200000:
893 if (RT298_SCLK_S_MCLK == clk_id) {
894 dev_err(component->dev, "Should not use MCLK\n");
895 return -EINVAL;
896 }
897 snd_soc_component_update_bits(component,
898 RT298_I2S_CTRL2, 0x40, 0x40);
899 break;
900 case 24000000:
901 if (RT298_SCLK_S_MCLK == clk_id) {
902 dev_err(component->dev, "Should not use MCLK\n");
903 return -EINVAL;
904 }
905 snd_soc_component_update_bits(component,
906 RT298_I2S_CTRL2, 0x40, 0x0);
907 break;
908 case 12288000:
909 case 11289600:
910 snd_soc_component_update_bits(component,
911 RT298_I2S_CTRL2, 0x8, 0x0);
912 snd_soc_component_update_bits(component,
913 RT298_CLK_DIV, 0xfc1e, 0x0004);
914 break;
915 case 24576000:
916 case 22579200:
917 snd_soc_component_update_bits(component,
918 RT298_I2S_CTRL2, 0x8, 0x8);
919 snd_soc_component_update_bits(component,
920 RT298_CLK_DIV, 0xfc1e, 0x5406);
921 break;
922 default:
923 dev_err(component->dev, "Unsupported system clock\n");
924 return -EINVAL;
925 }
926
927 rt298->sys_clk = freq;
928 rt298->clk_id = clk_id;
929
930 return 0;
931 }
932
rt298_set_bclk_ratio(struct snd_soc_dai * dai,unsigned int ratio)933 static int rt298_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
934 {
935 struct snd_soc_component *component = dai->component;
936
937 dev_dbg(component->dev, "%s ratio=%d\n", __func__, ratio);
938 if (50 == ratio)
939 snd_soc_component_update_bits(component,
940 RT298_I2S_CTRL1, 0x1000, 0x1000);
941 else
942 snd_soc_component_update_bits(component,
943 RT298_I2S_CTRL1, 0x1000, 0x0);
944
945
946 return 0;
947 }
948
rt298_set_bias_level(struct snd_soc_component * component,enum snd_soc_bias_level level)949 static int rt298_set_bias_level(struct snd_soc_component *component,
950 enum snd_soc_bias_level level)
951 {
952 switch (level) {
953 case SND_SOC_BIAS_PREPARE:
954 if (SND_SOC_BIAS_STANDBY ==
955 snd_soc_component_get_bias_level(component)) {
956 snd_soc_component_write(component,
957 RT298_SET_AUDIO_POWER, AC_PWRST_D0);
958 snd_soc_component_update_bits(component, 0x0d, 0x200, 0x200);
959 snd_soc_component_update_bits(component, 0x52, 0x80, 0x0);
960 mdelay(20);
961 snd_soc_component_update_bits(component, 0x0d, 0x200, 0x0);
962 snd_soc_component_update_bits(component, 0x52, 0x80, 0x80);
963 }
964 break;
965
966 case SND_SOC_BIAS_STANDBY:
967 snd_soc_component_write(component,
968 RT298_SET_AUDIO_POWER, AC_PWRST_D3);
969 break;
970
971 default:
972 break;
973 }
974
975 return 0;
976 }
977
rt298_irq(int irq,void * data)978 static irqreturn_t rt298_irq(int irq, void *data)
979 {
980 struct rt298_priv *rt298 = data;
981 bool hp = false;
982 bool mic = false;
983 int ret, status = 0;
984
985 ret = rt298_jack_detect(rt298, &hp, &mic);
986
987 /* Clear IRQ */
988 regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x1, 0x1);
989
990 if (ret == 0) {
991 if (hp)
992 status |= SND_JACK_HEADPHONE;
993
994 if (mic)
995 status |= SND_JACK_MICROPHONE;
996
997 snd_soc_jack_report(rt298->jack, status,
998 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
999
1000 pm_wakeup_event(&rt298->i2c->dev, 300);
1001 }
1002
1003 return IRQ_HANDLED;
1004 }
1005
rt298_probe(struct snd_soc_component * component)1006 static int rt298_probe(struct snd_soc_component *component)
1007 {
1008 struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
1009
1010 rt298->component = component;
1011 INIT_DELAYED_WORK(&rt298->jack_detect_work, rt298_jack_detect_work);
1012
1013 if (rt298->i2c->irq)
1014 schedule_delayed_work(&rt298->jack_detect_work,
1015 msecs_to_jiffies(1250));
1016 return 0;
1017 }
1018
rt298_remove(struct snd_soc_component * component)1019 static void rt298_remove(struct snd_soc_component *component)
1020 {
1021 struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
1022
1023 cancel_delayed_work_sync(&rt298->jack_detect_work);
1024 rt298->component = NULL;
1025 }
1026
1027 #ifdef CONFIG_PM
rt298_suspend(struct snd_soc_component * component)1028 static int rt298_suspend(struct snd_soc_component *component)
1029 {
1030 struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
1031
1032 rt298->is_hp_in = -1;
1033 regcache_cache_only(rt298->regmap, true);
1034 regcache_mark_dirty(rt298->regmap);
1035
1036 return 0;
1037 }
1038
rt298_resume(struct snd_soc_component * component)1039 static int rt298_resume(struct snd_soc_component *component)
1040 {
1041 struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
1042
1043 regcache_cache_only(rt298->regmap, false);
1044 rt298_index_sync(component);
1045 regcache_sync(rt298->regmap);
1046
1047 return 0;
1048 }
1049 #else
1050 #define rt298_suspend NULL
1051 #define rt298_resume NULL
1052 #endif
1053
1054 #define RT298_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
1055 #define RT298_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1056 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
1057
1058 static const struct snd_soc_dai_ops rt298_aif_dai_ops = {
1059 .hw_params = rt298_hw_params,
1060 .set_fmt = rt298_set_dai_fmt,
1061 .set_sysclk = rt298_set_dai_sysclk,
1062 .set_bclk_ratio = rt298_set_bclk_ratio,
1063 };
1064
1065 static struct snd_soc_dai_driver rt298_dai[] = {
1066 {
1067 .name = "rt298-aif1",
1068 .id = RT298_AIF1,
1069 .playback = {
1070 .stream_name = "AIF1 Playback",
1071 .channels_min = 1,
1072 .channels_max = 2,
1073 .rates = RT298_STEREO_RATES,
1074 .formats = RT298_FORMATS,
1075 },
1076 .capture = {
1077 .stream_name = "AIF1 Capture",
1078 .channels_min = 1,
1079 .channels_max = 2,
1080 .rates = RT298_STEREO_RATES,
1081 .formats = RT298_FORMATS,
1082 },
1083 .ops = &rt298_aif_dai_ops,
1084 .symmetric_rate = 1,
1085 },
1086 {
1087 .name = "rt298-aif2",
1088 .id = RT298_AIF2,
1089 .playback = {
1090 .stream_name = "AIF2 Playback",
1091 .channels_min = 1,
1092 .channels_max = 2,
1093 .rates = RT298_STEREO_RATES,
1094 .formats = RT298_FORMATS,
1095 },
1096 .capture = {
1097 .stream_name = "AIF2 Capture",
1098 .channels_min = 1,
1099 .channels_max = 2,
1100 .rates = RT298_STEREO_RATES,
1101 .formats = RT298_FORMATS,
1102 },
1103 .ops = &rt298_aif_dai_ops,
1104 .symmetric_rate = 1,
1105 },
1106
1107 };
1108
1109 static const struct snd_soc_component_driver soc_component_dev_rt298 = {
1110 .probe = rt298_probe,
1111 .remove = rt298_remove,
1112 .suspend = rt298_suspend,
1113 .resume = rt298_resume,
1114 .set_bias_level = rt298_set_bias_level,
1115 .set_jack = rt298_mic_detect,
1116 .controls = rt298_snd_controls,
1117 .num_controls = ARRAY_SIZE(rt298_snd_controls),
1118 .dapm_widgets = rt298_dapm_widgets,
1119 .num_dapm_widgets = ARRAY_SIZE(rt298_dapm_widgets),
1120 .dapm_routes = rt298_dapm_routes,
1121 .num_dapm_routes = ARRAY_SIZE(rt298_dapm_routes),
1122 .use_pmdown_time = 1,
1123 .endianness = 1,
1124 };
1125
1126 static const struct regmap_config rt298_regmap = {
1127 .reg_bits = 32,
1128 .val_bits = 32,
1129 .max_register = 0x02370100,
1130 .volatile_reg = rt298_volatile_register,
1131 .readable_reg = rt298_readable_register,
1132 .reg_write = rl6347a_hw_write,
1133 .reg_read = rl6347a_hw_read,
1134 .cache_type = REGCACHE_RBTREE,
1135 .reg_defaults = rt298_reg,
1136 .num_reg_defaults = ARRAY_SIZE(rt298_reg),
1137 };
1138
1139 static const struct i2c_device_id rt298_i2c_id[] = {
1140 {"rt298"},
1141 {}
1142 };
1143 MODULE_DEVICE_TABLE(i2c, rt298_i2c_id);
1144
1145 #ifdef CONFIG_ACPI
1146 static const struct acpi_device_id rt298_acpi_match[] = {
1147 { "INT343A", 0 },
1148 {},
1149 };
1150 MODULE_DEVICE_TABLE(acpi, rt298_acpi_match);
1151 #endif
1152
1153 static const struct dmi_system_id force_combo_jack_table[] = {
1154 {
1155 .ident = "Intel Broxton P",
1156 .matches = {
1157 DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp"),
1158 DMI_MATCH(DMI_PRODUCT_NAME, "Broxton P")
1159 }
1160 },
1161 {
1162 .ident = "Intel Gemini Lake",
1163 .matches = {
1164 DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp"),
1165 DMI_MATCH(DMI_PRODUCT_NAME, "Geminilake")
1166 }
1167 },
1168 {
1169 .ident = "Intel Kabylake R RVP",
1170 .matches = {
1171 DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
1172 DMI_MATCH(DMI_PRODUCT_NAME, "Kabylake Client platform")
1173 }
1174 },
1175 { }
1176 };
1177
rt298_i2c_probe(struct i2c_client * i2c)1178 static int rt298_i2c_probe(struct i2c_client *i2c)
1179 {
1180 struct rt298_platform_data *pdata = dev_get_platdata(&i2c->dev);
1181 struct rt298_priv *rt298;
1182 struct device *dev = &i2c->dev;
1183 const struct acpi_device_id *acpiid;
1184 int i, ret;
1185
1186 rt298 = devm_kzalloc(&i2c->dev, sizeof(*rt298),
1187 GFP_KERNEL);
1188 if (NULL == rt298)
1189 return -ENOMEM;
1190
1191 rt298->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt298_regmap);
1192 if (IS_ERR(rt298->regmap)) {
1193 ret = PTR_ERR(rt298->regmap);
1194 dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1195 ret);
1196 return ret;
1197 }
1198
1199 regmap_read(rt298->regmap,
1200 RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID), &ret);
1201 if (ret != RT298_VENDOR_ID) {
1202 dev_err(&i2c->dev,
1203 "Device with ID register %#x is not rt298\n", ret);
1204 return -ENODEV;
1205 }
1206
1207 rt298->index_cache = devm_kmemdup(&i2c->dev, rt298_index_def,
1208 sizeof(rt298_index_def), GFP_KERNEL);
1209 if (!rt298->index_cache)
1210 return -ENOMEM;
1211
1212 rt298->index_cache_size = INDEX_CACHE_SIZE;
1213 rt298->i2c = i2c;
1214 i2c_set_clientdata(i2c, rt298);
1215
1216 /* restore codec default */
1217 for (i = 0; i < INDEX_CACHE_SIZE; i++)
1218 regmap_write(rt298->regmap, rt298->index_cache[i].reg,
1219 rt298->index_cache[i].def);
1220 for (i = 0; i < ARRAY_SIZE(rt298_reg); i++)
1221 regmap_write(rt298->regmap, rt298_reg[i].reg,
1222 rt298_reg[i].def);
1223
1224 if (pdata)
1225 rt298->pdata = *pdata;
1226
1227 /* enable jack combo mode on supported devices */
1228 acpiid = acpi_match_device(dev->driver->acpi_match_table, dev);
1229 if (acpiid && acpiid->driver_data) {
1230 rt298->pdata = *(struct rt298_platform_data *)
1231 acpiid->driver_data;
1232 }
1233
1234 if (dmi_check_system(force_combo_jack_table)) {
1235 rt298->pdata.cbj_en = true;
1236 rt298->pdata.gpio2_en = false;
1237 }
1238
1239 /* VREF Charging */
1240 regmap_update_bits(rt298->regmap, 0x04, 0x80, 0x80);
1241 regmap_update_bits(rt298->regmap, 0x1b, 0x860, 0x860);
1242 /* Vref2 */
1243 regmap_update_bits(rt298->regmap, 0x08, 0x20, 0x20);
1244
1245 regmap_write(rt298->regmap, RT298_SET_AUDIO_POWER, AC_PWRST_D3);
1246
1247 for (i = 0; i < RT298_POWER_REG_LEN; i++)
1248 regmap_write(rt298->regmap,
1249 RT298_SET_POWER(rt298_support_power_controls[i]),
1250 AC_PWRST_D1);
1251
1252 if (!rt298->pdata.cbj_en) {
1253 regmap_write(rt298->regmap, RT298_CBJ_CTRL2, 0x0000);
1254 regmap_write(rt298->regmap, RT298_MIC1_DET_CTRL, 0x0816);
1255 regmap_update_bits(rt298->regmap,
1256 RT298_CBJ_CTRL1, 0xf000, 0xb000);
1257 } else {
1258 regmap_update_bits(rt298->regmap,
1259 RT298_CBJ_CTRL1, 0xf000, 0x5000);
1260 }
1261
1262 mdelay(10);
1263
1264 if (!rt298->pdata.gpio2_en)
1265 regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0x40);
1266 else
1267 regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0);
1268
1269 mdelay(10);
1270
1271 regmap_write(rt298->regmap, RT298_MISC_CTRL1, 0x0000);
1272 regmap_update_bits(rt298->regmap,
1273 RT298_WIND_FILTER_CTRL, 0x0082, 0x0082);
1274
1275 regmap_write(rt298->regmap, RT298_UNSOLICITED_INLINE_CMD, 0x81);
1276 regmap_write(rt298->regmap, RT298_UNSOLICITED_HP_OUT, 0x82);
1277 regmap_write(rt298->regmap, RT298_UNSOLICITED_MIC1, 0x84);
1278 regmap_update_bits(rt298->regmap, RT298_IRQ_FLAG_CTRL, 0x2, 0x2);
1279
1280 rt298->is_hp_in = -1;
1281
1282 if (rt298->i2c->irq) {
1283 ret = request_threaded_irq(rt298->i2c->irq, NULL, rt298_irq,
1284 IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "rt298", rt298);
1285 if (ret != 0) {
1286 dev_err(&i2c->dev,
1287 "Failed to request IRQ: %d\n", ret);
1288 return ret;
1289 }
1290 }
1291
1292 ret = devm_snd_soc_register_component(&i2c->dev,
1293 &soc_component_dev_rt298,
1294 rt298_dai, ARRAY_SIZE(rt298_dai));
1295
1296 return ret;
1297 }
1298
rt298_i2c_remove(struct i2c_client * i2c)1299 static void rt298_i2c_remove(struct i2c_client *i2c)
1300 {
1301 struct rt298_priv *rt298 = i2c_get_clientdata(i2c);
1302
1303 if (i2c->irq)
1304 free_irq(i2c->irq, rt298);
1305 }
1306
1307
1308 static struct i2c_driver rt298_i2c_driver = {
1309 .driver = {
1310 .name = "rt298",
1311 .acpi_match_table = ACPI_PTR(rt298_acpi_match),
1312 },
1313 .probe = rt298_i2c_probe,
1314 .remove = rt298_i2c_remove,
1315 .id_table = rt298_i2c_id,
1316 };
1317
1318 module_i2c_driver(rt298_i2c_driver);
1319
1320 MODULE_DESCRIPTION("ASoC RT298 driver");
1321 MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>");
1322 MODULE_LICENSE("GPL");
1323