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)329 int rt298_mic_detect(struct snd_soc_component *component, struct snd_soc_jack *jack)
330 {
331 struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
332 struct snd_soc_dapm_context *dapm;
333 bool hp = false;
334 bool mic = false;
335 int status = 0;
336
337 /* If jack in NULL, disable HS jack */
338 if (!jack) {
339 regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x2, 0x0);
340 dapm = snd_soc_component_get_dapm(component);
341 snd_soc_dapm_disable_pin(dapm, "LDO1");
342 snd_soc_dapm_sync(dapm);
343 return 0;
344 }
345
346 rt298->jack = jack;
347 regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x2, 0x2);
348
349 rt298_jack_detect(rt298, &hp, &mic);
350 if (hp)
351 status |= SND_JACK_HEADPHONE;
352
353 if (mic)
354 status |= SND_JACK_MICROPHONE;
355
356 snd_soc_jack_report(rt298->jack, status,
357 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
358
359 return 0;
360 }
361 EXPORT_SYMBOL_GPL(rt298_mic_detect);
362
is_mclk_mode(struct snd_soc_dapm_widget * source,struct snd_soc_dapm_widget * sink)363 static int is_mclk_mode(struct snd_soc_dapm_widget *source,
364 struct snd_soc_dapm_widget *sink)
365 {
366 struct snd_soc_component *component = snd_soc_dapm_to_component(source->dapm);
367 struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
368
369 if (rt298->clk_id == RT298_SCLK_S_MCLK)
370 return 1;
371 else
372 return 0;
373 }
374
375 static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0);
376 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
377
378 static const struct snd_kcontrol_new rt298_snd_controls[] = {
379 SOC_DOUBLE_R_TLV("DAC0 Playback Volume", RT298_DACL_GAIN,
380 RT298_DACR_GAIN, 0, 0x7f, 0, out_vol_tlv),
381 SOC_DOUBLE_R_TLV("ADC0 Capture Volume", RT298_ADCL_GAIN,
382 RT298_ADCR_GAIN, 0, 0x7f, 0, out_vol_tlv),
383 SOC_SINGLE_TLV("AMIC Volume", RT298_MIC_GAIN,
384 0, 0x3, 0, mic_vol_tlv),
385 SOC_DOUBLE_R("Speaker Playback Switch", RT298_SPOL_GAIN,
386 RT298_SPOR_GAIN, RT298_MUTE_SFT, 1, 1),
387 };
388
389 /* Digital Mixer */
390 static const struct snd_kcontrol_new rt298_front_mix[] = {
391 SOC_DAPM_SINGLE("DAC Switch", RT298_F_DAC_SWITCH,
392 RT298_MUTE_SFT, 1, 1),
393 SOC_DAPM_SINGLE("RECMIX Switch", RT298_F_RECMIX_SWITCH,
394 RT298_MUTE_SFT, 1, 1),
395 };
396
397 /* Analog Input Mixer */
398 static const struct snd_kcontrol_new rt298_rec_mix[] = {
399 SOC_DAPM_SINGLE("Mic1 Switch", RT298_REC_MIC_SWITCH,
400 RT298_MUTE_SFT, 1, 1),
401 SOC_DAPM_SINGLE("I2S Switch", RT298_REC_I2S_SWITCH,
402 RT298_MUTE_SFT, 1, 1),
403 SOC_DAPM_SINGLE("Line1 Switch", RT298_REC_LINE_SWITCH,
404 RT298_MUTE_SFT, 1, 1),
405 SOC_DAPM_SINGLE("Beep Switch", RT298_REC_BEEP_SWITCH,
406 RT298_MUTE_SFT, 1, 1),
407 };
408
409 static const struct snd_kcontrol_new spo_enable_control =
410 SOC_DAPM_SINGLE("Switch", RT298_SET_PIN_SPK,
411 RT298_SET_PIN_SFT, 1, 0);
412
413 static const struct snd_kcontrol_new hpol_enable_control =
414 SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT298_HPOL_GAIN,
415 RT298_MUTE_SFT, 1, 1);
416
417 static const struct snd_kcontrol_new hpor_enable_control =
418 SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT298_HPOR_GAIN,
419 RT298_MUTE_SFT, 1, 1);
420
421 /* ADC0 source */
422 static const char * const rt298_adc_src[] = {
423 "Mic", "RECMIX", "Dmic"
424 };
425
426 static const int rt298_adc_values[] = {
427 0, 4, 5,
428 };
429
430 static SOC_VALUE_ENUM_SINGLE_DECL(
431 rt298_adc0_enum, RT298_ADC0_MUX, RT298_ADC_SEL_SFT,
432 RT298_ADC_SEL_MASK, rt298_adc_src, rt298_adc_values);
433
434 static const struct snd_kcontrol_new rt298_adc0_mux =
435 SOC_DAPM_ENUM("ADC 0 source", rt298_adc0_enum);
436
437 static SOC_VALUE_ENUM_SINGLE_DECL(
438 rt298_adc1_enum, RT298_ADC1_MUX, RT298_ADC_SEL_SFT,
439 RT298_ADC_SEL_MASK, rt298_adc_src, rt298_adc_values);
440
441 static const struct snd_kcontrol_new rt298_adc1_mux =
442 SOC_DAPM_ENUM("ADC 1 source", rt298_adc1_enum);
443
444 static const char * const rt298_dac_src[] = {
445 "Front", "Surround"
446 };
447 /* HP-OUT source */
448 static SOC_ENUM_SINGLE_DECL(rt298_hpo_enum, RT298_HPO_MUX,
449 0, rt298_dac_src);
450
451 static const struct snd_kcontrol_new rt298_hpo_mux =
452 SOC_DAPM_ENUM("HPO source", rt298_hpo_enum);
453
454 /* SPK-OUT source */
455 static SOC_ENUM_SINGLE_DECL(rt298_spo_enum, RT298_SPK_MUX,
456 0, rt298_dac_src);
457
458 static const struct snd_kcontrol_new rt298_spo_mux =
459 SOC_DAPM_ENUM("SPO source", rt298_spo_enum);
460
rt298_spk_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)461 static int rt298_spk_event(struct snd_soc_dapm_widget *w,
462 struct snd_kcontrol *kcontrol, int event)
463 {
464 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
465
466 switch (event) {
467 case SND_SOC_DAPM_POST_PMU:
468 snd_soc_component_write(component,
469 RT298_SPK_EAPD, RT298_SET_EAPD_HIGH);
470 break;
471 case SND_SOC_DAPM_PRE_PMD:
472 snd_soc_component_write(component,
473 RT298_SPK_EAPD, RT298_SET_EAPD_LOW);
474 break;
475
476 default:
477 return 0;
478 }
479
480 return 0;
481 }
482
rt298_set_dmic1_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)483 static int rt298_set_dmic1_event(struct snd_soc_dapm_widget *w,
484 struct snd_kcontrol *kcontrol, int event)
485 {
486 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
487
488 switch (event) {
489 case SND_SOC_DAPM_POST_PMU:
490 snd_soc_component_write(component, RT298_SET_PIN_DMIC1, 0x20);
491 break;
492 case SND_SOC_DAPM_PRE_PMD:
493 snd_soc_component_write(component, RT298_SET_PIN_DMIC1, 0);
494 break;
495 default:
496 return 0;
497 }
498
499 return 0;
500 }
501
rt298_adc_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)502 static int rt298_adc_event(struct snd_soc_dapm_widget *w,
503 struct snd_kcontrol *kcontrol, int event)
504 {
505 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
506 unsigned int nid;
507
508 nid = (w->reg >> 20) & 0xff;
509
510 switch (event) {
511 case SND_SOC_DAPM_POST_PMU:
512 snd_soc_component_update_bits(component,
513 VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
514 0x7080, 0x7000);
515 /* If MCLK doesn't exist, reset AD filter */
516 if (!(snd_soc_component_read(component, RT298_VAD_CTRL) & 0x200)) {
517 pr_info("NO MCLK\n");
518 switch (nid) {
519 case RT298_ADC_IN1:
520 snd_soc_component_update_bits(component,
521 RT298_D_FILTER_CTRL, 0x2, 0x2);
522 mdelay(10);
523 snd_soc_component_update_bits(component,
524 RT298_D_FILTER_CTRL, 0x2, 0x0);
525 break;
526 case RT298_ADC_IN2:
527 snd_soc_component_update_bits(component,
528 RT298_D_FILTER_CTRL, 0x4, 0x4);
529 mdelay(10);
530 snd_soc_component_update_bits(component,
531 RT298_D_FILTER_CTRL, 0x4, 0x0);
532 break;
533 }
534 }
535 break;
536 case SND_SOC_DAPM_PRE_PMD:
537 snd_soc_component_update_bits(component,
538 VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
539 0x7080, 0x7080);
540 break;
541 default:
542 return 0;
543 }
544
545 return 0;
546 }
547
rt298_mic1_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)548 static int rt298_mic1_event(struct snd_soc_dapm_widget *w,
549 struct snd_kcontrol *kcontrol, int event)
550 {
551 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
552
553 switch (event) {
554 case SND_SOC_DAPM_PRE_PMU:
555 snd_soc_component_update_bits(component,
556 RT298_A_BIAS_CTRL3, 0xc000, 0x8000);
557 snd_soc_component_update_bits(component,
558 RT298_A_BIAS_CTRL2, 0xc000, 0x8000);
559 break;
560 case SND_SOC_DAPM_POST_PMD:
561 snd_soc_component_update_bits(component,
562 RT298_A_BIAS_CTRL3, 0xc000, 0x0000);
563 snd_soc_component_update_bits(component,
564 RT298_A_BIAS_CTRL2, 0xc000, 0x0000);
565 break;
566 default:
567 return 0;
568 }
569
570 return 0;
571 }
572
573 static const struct snd_soc_dapm_widget rt298_dapm_widgets[] = {
574
575 SND_SOC_DAPM_SUPPLY_S("HV", 1, RT298_POWER_CTRL1,
576 12, 1, NULL, 0),
577 SND_SOC_DAPM_SUPPLY("VREF", RT298_POWER_CTRL1,
578 0, 1, NULL, 0),
579 SND_SOC_DAPM_SUPPLY_S("BG_MBIAS", 1, RT298_POWER_CTRL2,
580 1, 0, NULL, 0),
581 SND_SOC_DAPM_SUPPLY_S("LDO1", 1, RT298_POWER_CTRL2,
582 2, 0, NULL, 0),
583 SND_SOC_DAPM_SUPPLY_S("LDO2", 1, RT298_POWER_CTRL2,
584 3, 0, NULL, 0),
585 SND_SOC_DAPM_SUPPLY_S("VREF1", 1, RT298_POWER_CTRL2,
586 4, 1, NULL, 0),
587 SND_SOC_DAPM_SUPPLY_S("LV", 2, RT298_POWER_CTRL1,
588 13, 1, NULL, 0),
589
590
591 SND_SOC_DAPM_SUPPLY("MCLK MODE", RT298_PLL_CTRL1,
592 5, 0, NULL, 0),
593 SND_SOC_DAPM_SUPPLY("MIC1 Input Buffer", SND_SOC_NOPM,
594 0, 0, rt298_mic1_event, SND_SOC_DAPM_PRE_PMU |
595 SND_SOC_DAPM_POST_PMD),
596
597 /* Input Lines */
598 SND_SOC_DAPM_INPUT("DMIC1 Pin"),
599 SND_SOC_DAPM_INPUT("DMIC2 Pin"),
600 SND_SOC_DAPM_INPUT("MIC1"),
601 SND_SOC_DAPM_INPUT("LINE1"),
602 SND_SOC_DAPM_INPUT("Beep"),
603
604 /* DMIC */
605 SND_SOC_DAPM_PGA_E("DMIC1", RT298_SET_POWER(RT298_DMIC1), 0, 1,
606 NULL, 0, rt298_set_dmic1_event,
607 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
608 SND_SOC_DAPM_PGA("DMIC2", RT298_SET_POWER(RT298_DMIC2), 0, 1,
609 NULL, 0),
610 SND_SOC_DAPM_SUPPLY("DMIC Receiver", SND_SOC_NOPM,
611 0, 0, NULL, 0),
612
613 /* REC Mixer */
614 SND_SOC_DAPM_MIXER("RECMIX", SND_SOC_NOPM, 0, 0,
615 rt298_rec_mix, ARRAY_SIZE(rt298_rec_mix)),
616
617 /* ADCs */
618 SND_SOC_DAPM_ADC("ADC 0", NULL, SND_SOC_NOPM, 0, 0),
619 SND_SOC_DAPM_ADC("ADC 1", NULL, SND_SOC_NOPM, 0, 0),
620
621 /* ADC Mux */
622 SND_SOC_DAPM_MUX_E("ADC 0 Mux", RT298_SET_POWER(RT298_ADC_IN1), 0, 1,
623 &rt298_adc0_mux, rt298_adc_event, SND_SOC_DAPM_PRE_PMD |
624 SND_SOC_DAPM_POST_PMU),
625 SND_SOC_DAPM_MUX_E("ADC 1 Mux", RT298_SET_POWER(RT298_ADC_IN2), 0, 1,
626 &rt298_adc1_mux, rt298_adc_event, SND_SOC_DAPM_PRE_PMD |
627 SND_SOC_DAPM_POST_PMU),
628
629 /* Audio Interface */
630 SND_SOC_DAPM_AIF_IN("AIF1RX", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
631 SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
632 SND_SOC_DAPM_AIF_IN("AIF2RX", "AIF2 Playback", 0, SND_SOC_NOPM, 0, 0),
633 SND_SOC_DAPM_AIF_OUT("AIF2TX", "AIF2 Capture", 0, SND_SOC_NOPM, 0, 0),
634
635 /* Output Side */
636 /* DACs */
637 SND_SOC_DAPM_DAC("DAC 0", NULL, SND_SOC_NOPM, 0, 0),
638 SND_SOC_DAPM_DAC("DAC 1", NULL, SND_SOC_NOPM, 0, 0),
639
640 /* Output Mux */
641 SND_SOC_DAPM_MUX("SPK Mux", SND_SOC_NOPM, 0, 0, &rt298_spo_mux),
642 SND_SOC_DAPM_MUX("HPO Mux", SND_SOC_NOPM, 0, 0, &rt298_hpo_mux),
643
644 SND_SOC_DAPM_SUPPLY("HP Power", RT298_SET_PIN_HPO,
645 RT298_SET_PIN_SFT, 0, NULL, 0),
646
647 /* Output Mixer */
648 SND_SOC_DAPM_MIXER("Front", RT298_SET_POWER(RT298_DAC_OUT1), 0, 1,
649 rt298_front_mix, ARRAY_SIZE(rt298_front_mix)),
650 SND_SOC_DAPM_PGA("Surround", RT298_SET_POWER(RT298_DAC_OUT2), 0, 1,
651 NULL, 0),
652
653 /* Output Pga */
654 SND_SOC_DAPM_SWITCH_E("SPO", SND_SOC_NOPM, 0, 0,
655 &spo_enable_control, rt298_spk_event,
656 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
657 SND_SOC_DAPM_SWITCH("HPO L", SND_SOC_NOPM, 0, 0,
658 &hpol_enable_control),
659 SND_SOC_DAPM_SWITCH("HPO R", SND_SOC_NOPM, 0, 0,
660 &hpor_enable_control),
661
662 /* Output Lines */
663 SND_SOC_DAPM_OUTPUT("SPOL"),
664 SND_SOC_DAPM_OUTPUT("SPOR"),
665 SND_SOC_DAPM_OUTPUT("HPO Pin"),
666 SND_SOC_DAPM_OUTPUT("SPDIF"),
667 };
668
669 static const struct snd_soc_dapm_route rt298_dapm_routes[] = {
670
671 {"ADC 0", NULL, "MCLK MODE", is_mclk_mode},
672 {"ADC 1", NULL, "MCLK MODE", is_mclk_mode},
673 {"Front", NULL, "MCLK MODE", is_mclk_mode},
674 {"Surround", NULL, "MCLK MODE", is_mclk_mode},
675
676 {"HP Power", NULL, "LDO1"},
677 {"HP Power", NULL, "LDO2"},
678 {"HP Power", NULL, "LV"},
679 {"HP Power", NULL, "VREF1"},
680 {"HP Power", NULL, "BG_MBIAS"},
681
682 {"MIC1", NULL, "LDO1"},
683 {"MIC1", NULL, "LDO2"},
684 {"MIC1", NULL, "HV"},
685 {"MIC1", NULL, "LV"},
686 {"MIC1", NULL, "VREF"},
687 {"MIC1", NULL, "VREF1"},
688 {"MIC1", NULL, "BG_MBIAS"},
689 {"MIC1", NULL, "MIC1 Input Buffer"},
690
691 {"SPO", NULL, "LDO1"},
692 {"SPO", NULL, "LDO2"},
693 {"SPO", NULL, "HV"},
694 {"SPO", NULL, "LV"},
695 {"SPO", NULL, "VREF"},
696 {"SPO", NULL, "VREF1"},
697 {"SPO", NULL, "BG_MBIAS"},
698
699 {"DMIC1", NULL, "DMIC1 Pin"},
700 {"DMIC2", NULL, "DMIC2 Pin"},
701 {"DMIC1", NULL, "DMIC Receiver"},
702 {"DMIC2", NULL, "DMIC Receiver"},
703
704 {"RECMIX", "Beep Switch", "Beep"},
705 {"RECMIX", "Line1 Switch", "LINE1"},
706 {"RECMIX", "Mic1 Switch", "MIC1"},
707
708 {"ADC 0 Mux", "Dmic", "DMIC1"},
709 {"ADC 0 Mux", "RECMIX", "RECMIX"},
710 {"ADC 0 Mux", "Mic", "MIC1"},
711 {"ADC 1 Mux", "Dmic", "DMIC2"},
712 {"ADC 1 Mux", "RECMIX", "RECMIX"},
713 {"ADC 1 Mux", "Mic", "MIC1"},
714
715 {"ADC 0", NULL, "ADC 0 Mux"},
716 {"ADC 1", NULL, "ADC 1 Mux"},
717
718 {"AIF1TX", NULL, "ADC 0"},
719 {"AIF2TX", NULL, "ADC 1"},
720
721 {"DAC 0", NULL, "AIF1RX"},
722 {"DAC 1", NULL, "AIF2RX"},
723
724 {"Front", "DAC Switch", "DAC 0"},
725 {"Front", "RECMIX Switch", "RECMIX"},
726
727 {"Surround", NULL, "DAC 1"},
728
729 {"SPK Mux", "Front", "Front"},
730 {"SPK Mux", "Surround", "Surround"},
731
732 {"HPO Mux", "Front", "Front"},
733 {"HPO Mux", "Surround", "Surround"},
734
735 {"SPO", "Switch", "SPK Mux"},
736 {"HPO L", "Switch", "HPO Mux"},
737 {"HPO R", "Switch", "HPO Mux"},
738 {"HPO L", NULL, "HP Power"},
739 {"HPO R", NULL, "HP Power"},
740
741 {"SPOL", NULL, "SPO"},
742 {"SPOR", NULL, "SPO"},
743 {"HPO Pin", NULL, "HPO L"},
744 {"HPO Pin", NULL, "HPO R"},
745 };
746
rt298_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)747 static int rt298_hw_params(struct snd_pcm_substream *substream,
748 struct snd_pcm_hw_params *params,
749 struct snd_soc_dai *dai)
750 {
751 struct snd_soc_component *component = dai->component;
752 struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
753 unsigned int val = 0;
754 int d_len_code;
755
756 switch (params_rate(params)) {
757 /* bit 14 0:48K 1:44.1K */
758 case 44100:
759 case 48000:
760 break;
761 default:
762 dev_err(component->dev, "Unsupported sample rate %d\n",
763 params_rate(params));
764 return -EINVAL;
765 }
766 switch (rt298->sys_clk) {
767 case 12288000:
768 case 24576000:
769 if (params_rate(params) != 48000) {
770 dev_err(component->dev, "Sys_clk is not matched (%d %d)\n",
771 params_rate(params), rt298->sys_clk);
772 return -EINVAL;
773 }
774 break;
775 case 11289600:
776 case 22579200:
777 if (params_rate(params) != 44100) {
778 dev_err(component->dev, "Sys_clk is not matched (%d %d)\n",
779 params_rate(params), rt298->sys_clk);
780 return -EINVAL;
781 }
782 break;
783 }
784
785 if (params_channels(params) <= 16) {
786 /* bit 3:0 Number of Channel */
787 val |= (params_channels(params) - 1);
788 } else {
789 dev_err(component->dev, "Unsupported channels %d\n",
790 params_channels(params));
791 return -EINVAL;
792 }
793
794 d_len_code = 0;
795 switch (params_width(params)) {
796 /* bit 6:4 Bits per Sample */
797 case 16:
798 d_len_code = 0;
799 val |= (0x1 << 4);
800 break;
801 case 32:
802 d_len_code = 2;
803 val |= (0x4 << 4);
804 break;
805 case 20:
806 d_len_code = 1;
807 val |= (0x2 << 4);
808 break;
809 case 24:
810 d_len_code = 2;
811 val |= (0x3 << 4);
812 break;
813 case 8:
814 d_len_code = 3;
815 break;
816 default:
817 return -EINVAL;
818 }
819
820 snd_soc_component_update_bits(component,
821 RT298_I2S_CTRL1, 0x0018, d_len_code << 3);
822 dev_dbg(component->dev, "format val = 0x%x\n", val);
823
824 snd_soc_component_update_bits(component, RT298_DAC_FORMAT, 0x407f, val);
825 snd_soc_component_update_bits(component, RT298_ADC_FORMAT, 0x407f, val);
826
827 return 0;
828 }
829
rt298_set_dai_fmt(struct snd_soc_dai * dai,unsigned int fmt)830 static int rt298_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
831 {
832 struct snd_soc_component *component = dai->component;
833
834 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
835 case SND_SOC_DAIFMT_CBM_CFM:
836 snd_soc_component_update_bits(component,
837 RT298_I2S_CTRL1, 0x800, 0x800);
838 break;
839 case SND_SOC_DAIFMT_CBS_CFS:
840 snd_soc_component_update_bits(component,
841 RT298_I2S_CTRL1, 0x800, 0x0);
842 break;
843 default:
844 return -EINVAL;
845 }
846
847 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
848 case SND_SOC_DAIFMT_I2S:
849 snd_soc_component_update_bits(component,
850 RT298_I2S_CTRL1, 0x300, 0x0);
851 break;
852 case SND_SOC_DAIFMT_LEFT_J:
853 snd_soc_component_update_bits(component,
854 RT298_I2S_CTRL1, 0x300, 0x1 << 8);
855 break;
856 case SND_SOC_DAIFMT_DSP_A:
857 snd_soc_component_update_bits(component,
858 RT298_I2S_CTRL1, 0x300, 0x2 << 8);
859 break;
860 case SND_SOC_DAIFMT_DSP_B:
861 snd_soc_component_update_bits(component,
862 RT298_I2S_CTRL1, 0x300, 0x3 << 8);
863 break;
864 default:
865 return -EINVAL;
866 }
867 /* bit 15 Stream Type 0:PCM 1:Non-PCM */
868 snd_soc_component_update_bits(component, RT298_DAC_FORMAT, 0x8000, 0);
869 snd_soc_component_update_bits(component, RT298_ADC_FORMAT, 0x8000, 0);
870
871 return 0;
872 }
873
rt298_set_dai_sysclk(struct snd_soc_dai * dai,int clk_id,unsigned int freq,int dir)874 static int rt298_set_dai_sysclk(struct snd_soc_dai *dai,
875 int clk_id, unsigned int freq, int dir)
876 {
877 struct snd_soc_component *component = dai->component;
878 struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
879
880 dev_dbg(component->dev, "%s freq=%d\n", __func__, freq);
881
882 if (RT298_SCLK_S_MCLK == clk_id) {
883 snd_soc_component_update_bits(component,
884 RT298_I2S_CTRL2, 0x0100, 0x0);
885 snd_soc_component_update_bits(component,
886 RT298_PLL_CTRL1, 0x20, 0x20);
887 } else {
888 snd_soc_component_update_bits(component,
889 RT298_I2S_CTRL2, 0x0100, 0x0100);
890 snd_soc_component_update_bits(component,
891 RT298_PLL_CTRL1, 0x20, 0x0);
892 }
893
894 switch (freq) {
895 case 19200000:
896 if (RT298_SCLK_S_MCLK == clk_id) {
897 dev_err(component->dev, "Should not use MCLK\n");
898 return -EINVAL;
899 }
900 snd_soc_component_update_bits(component,
901 RT298_I2S_CTRL2, 0x40, 0x40);
902 break;
903 case 24000000:
904 if (RT298_SCLK_S_MCLK == clk_id) {
905 dev_err(component->dev, "Should not use MCLK\n");
906 return -EINVAL;
907 }
908 snd_soc_component_update_bits(component,
909 RT298_I2S_CTRL2, 0x40, 0x0);
910 break;
911 case 12288000:
912 case 11289600:
913 snd_soc_component_update_bits(component,
914 RT298_I2S_CTRL2, 0x8, 0x0);
915 snd_soc_component_update_bits(component,
916 RT298_CLK_DIV, 0xfc1e, 0x0004);
917 break;
918 case 24576000:
919 case 22579200:
920 snd_soc_component_update_bits(component,
921 RT298_I2S_CTRL2, 0x8, 0x8);
922 snd_soc_component_update_bits(component,
923 RT298_CLK_DIV, 0xfc1e, 0x5406);
924 break;
925 default:
926 dev_err(component->dev, "Unsupported system clock\n");
927 return -EINVAL;
928 }
929
930 rt298->sys_clk = freq;
931 rt298->clk_id = clk_id;
932
933 return 0;
934 }
935
rt298_set_bclk_ratio(struct snd_soc_dai * dai,unsigned int ratio)936 static int rt298_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
937 {
938 struct snd_soc_component *component = dai->component;
939
940 dev_dbg(component->dev, "%s ratio=%d\n", __func__, ratio);
941 if (50 == ratio)
942 snd_soc_component_update_bits(component,
943 RT298_I2S_CTRL1, 0x1000, 0x1000);
944 else
945 snd_soc_component_update_bits(component,
946 RT298_I2S_CTRL1, 0x1000, 0x0);
947
948
949 return 0;
950 }
951
rt298_set_bias_level(struct snd_soc_component * component,enum snd_soc_bias_level level)952 static int rt298_set_bias_level(struct snd_soc_component *component,
953 enum snd_soc_bias_level level)
954 {
955 switch (level) {
956 case SND_SOC_BIAS_PREPARE:
957 if (SND_SOC_BIAS_STANDBY ==
958 snd_soc_component_get_bias_level(component)) {
959 snd_soc_component_write(component,
960 RT298_SET_AUDIO_POWER, AC_PWRST_D0);
961 snd_soc_component_update_bits(component, 0x0d, 0x200, 0x200);
962 snd_soc_component_update_bits(component, 0x52, 0x80, 0x0);
963 mdelay(20);
964 snd_soc_component_update_bits(component, 0x0d, 0x200, 0x0);
965 snd_soc_component_update_bits(component, 0x52, 0x80, 0x80);
966 }
967 break;
968
969 case SND_SOC_BIAS_STANDBY:
970 snd_soc_component_write(component,
971 RT298_SET_AUDIO_POWER, AC_PWRST_D3);
972 break;
973
974 default:
975 break;
976 }
977
978 return 0;
979 }
980
rt298_irq(int irq,void * data)981 static irqreturn_t rt298_irq(int irq, void *data)
982 {
983 struct rt298_priv *rt298 = data;
984 bool hp = false;
985 bool mic = false;
986 int ret, status = 0;
987
988 ret = rt298_jack_detect(rt298, &hp, &mic);
989
990 /* Clear IRQ */
991 regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x1, 0x1);
992
993 if (ret == 0) {
994 if (hp)
995 status |= SND_JACK_HEADPHONE;
996
997 if (mic)
998 status |= SND_JACK_MICROPHONE;
999
1000 snd_soc_jack_report(rt298->jack, status,
1001 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
1002
1003 pm_wakeup_event(&rt298->i2c->dev, 300);
1004 }
1005
1006 return IRQ_HANDLED;
1007 }
1008
rt298_probe(struct snd_soc_component * component)1009 static int rt298_probe(struct snd_soc_component *component)
1010 {
1011 struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
1012
1013 rt298->component = component;
1014
1015 if (rt298->i2c->irq) {
1016 regmap_update_bits(rt298->regmap,
1017 RT298_IRQ_CTRL, 0x2, 0x2);
1018
1019 INIT_DELAYED_WORK(&rt298->jack_detect_work,
1020 rt298_jack_detect_work);
1021 schedule_delayed_work(&rt298->jack_detect_work,
1022 msecs_to_jiffies(1250));
1023 }
1024
1025 return 0;
1026 }
1027
rt298_remove(struct snd_soc_component * component)1028 static void rt298_remove(struct snd_soc_component *component)
1029 {
1030 struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
1031
1032 cancel_delayed_work_sync(&rt298->jack_detect_work);
1033 }
1034
1035 #ifdef CONFIG_PM
rt298_suspend(struct snd_soc_component * component)1036 static int rt298_suspend(struct snd_soc_component *component)
1037 {
1038 struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
1039
1040 rt298->is_hp_in = -1;
1041 regcache_cache_only(rt298->regmap, true);
1042 regcache_mark_dirty(rt298->regmap);
1043
1044 return 0;
1045 }
1046
rt298_resume(struct snd_soc_component * component)1047 static int rt298_resume(struct snd_soc_component *component)
1048 {
1049 struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
1050
1051 regcache_cache_only(rt298->regmap, false);
1052 rt298_index_sync(component);
1053 regcache_sync(rt298->regmap);
1054
1055 return 0;
1056 }
1057 #else
1058 #define rt298_suspend NULL
1059 #define rt298_resume NULL
1060 #endif
1061
1062 #define RT298_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
1063 #define RT298_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1064 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
1065
1066 static const struct snd_soc_dai_ops rt298_aif_dai_ops = {
1067 .hw_params = rt298_hw_params,
1068 .set_fmt = rt298_set_dai_fmt,
1069 .set_sysclk = rt298_set_dai_sysclk,
1070 .set_bclk_ratio = rt298_set_bclk_ratio,
1071 };
1072
1073 static struct snd_soc_dai_driver rt298_dai[] = {
1074 {
1075 .name = "rt298-aif1",
1076 .id = RT298_AIF1,
1077 .playback = {
1078 .stream_name = "AIF1 Playback",
1079 .channels_min = 1,
1080 .channels_max = 2,
1081 .rates = RT298_STEREO_RATES,
1082 .formats = RT298_FORMATS,
1083 },
1084 .capture = {
1085 .stream_name = "AIF1 Capture",
1086 .channels_min = 1,
1087 .channels_max = 2,
1088 .rates = RT298_STEREO_RATES,
1089 .formats = RT298_FORMATS,
1090 },
1091 .ops = &rt298_aif_dai_ops,
1092 .symmetric_rate = 1,
1093 },
1094 {
1095 .name = "rt298-aif2",
1096 .id = RT298_AIF2,
1097 .playback = {
1098 .stream_name = "AIF2 Playback",
1099 .channels_min = 1,
1100 .channels_max = 2,
1101 .rates = RT298_STEREO_RATES,
1102 .formats = RT298_FORMATS,
1103 },
1104 .capture = {
1105 .stream_name = "AIF2 Capture",
1106 .channels_min = 1,
1107 .channels_max = 2,
1108 .rates = RT298_STEREO_RATES,
1109 .formats = RT298_FORMATS,
1110 },
1111 .ops = &rt298_aif_dai_ops,
1112 .symmetric_rate = 1,
1113 },
1114
1115 };
1116
1117 static const struct snd_soc_component_driver soc_component_dev_rt298 = {
1118 .probe = rt298_probe,
1119 .remove = rt298_remove,
1120 .suspend = rt298_suspend,
1121 .resume = rt298_resume,
1122 .set_bias_level = rt298_set_bias_level,
1123 .controls = rt298_snd_controls,
1124 .num_controls = ARRAY_SIZE(rt298_snd_controls),
1125 .dapm_widgets = rt298_dapm_widgets,
1126 .num_dapm_widgets = ARRAY_SIZE(rt298_dapm_widgets),
1127 .dapm_routes = rt298_dapm_routes,
1128 .num_dapm_routes = ARRAY_SIZE(rt298_dapm_routes),
1129 .use_pmdown_time = 1,
1130 .endianness = 1,
1131 .non_legacy_dai_naming = 1,
1132 };
1133
1134 static const struct regmap_config rt298_regmap = {
1135 .reg_bits = 32,
1136 .val_bits = 32,
1137 .max_register = 0x02370100,
1138 .volatile_reg = rt298_volatile_register,
1139 .readable_reg = rt298_readable_register,
1140 .reg_write = rl6347a_hw_write,
1141 .reg_read = rl6347a_hw_read,
1142 .cache_type = REGCACHE_RBTREE,
1143 .reg_defaults = rt298_reg,
1144 .num_reg_defaults = ARRAY_SIZE(rt298_reg),
1145 };
1146
1147 static const struct i2c_device_id rt298_i2c_id[] = {
1148 {"rt298", 0},
1149 {}
1150 };
1151 MODULE_DEVICE_TABLE(i2c, rt298_i2c_id);
1152
1153 #ifdef CONFIG_ACPI
1154 static const struct acpi_device_id rt298_acpi_match[] = {
1155 { "INT343A", 0 },
1156 {},
1157 };
1158 MODULE_DEVICE_TABLE(acpi, rt298_acpi_match);
1159 #endif
1160
1161 static const struct dmi_system_id force_combo_jack_table[] = {
1162 {
1163 .ident = "Intel Broxton P",
1164 .matches = {
1165 DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp"),
1166 DMI_MATCH(DMI_PRODUCT_NAME, "Broxton P")
1167 }
1168 },
1169 {
1170 .ident = "Intel Gemini Lake",
1171 .matches = {
1172 DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp"),
1173 DMI_MATCH(DMI_PRODUCT_NAME, "Geminilake")
1174 }
1175 },
1176 {
1177 .ident = "Intel Kabylake R RVP",
1178 .matches = {
1179 DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
1180 DMI_MATCH(DMI_PRODUCT_NAME, "Kabylake Client platform")
1181 }
1182 },
1183 { }
1184 };
1185
rt298_i2c_probe(struct i2c_client * i2c,const struct i2c_device_id * id)1186 static int rt298_i2c_probe(struct i2c_client *i2c,
1187 const struct i2c_device_id *id)
1188 {
1189 struct rt298_platform_data *pdata = dev_get_platdata(&i2c->dev);
1190 struct rt298_priv *rt298;
1191 struct device *dev = &i2c->dev;
1192 const struct acpi_device_id *acpiid;
1193 int i, ret;
1194
1195 rt298 = devm_kzalloc(&i2c->dev, sizeof(*rt298),
1196 GFP_KERNEL);
1197 if (NULL == rt298)
1198 return -ENOMEM;
1199
1200 rt298->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt298_regmap);
1201 if (IS_ERR(rt298->regmap)) {
1202 ret = PTR_ERR(rt298->regmap);
1203 dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1204 ret);
1205 return ret;
1206 }
1207
1208 regmap_read(rt298->regmap,
1209 RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID), &ret);
1210 if (ret != RT298_VENDOR_ID) {
1211 dev_err(&i2c->dev,
1212 "Device with ID register %#x is not rt298\n", ret);
1213 return -ENODEV;
1214 }
1215
1216 rt298->index_cache = devm_kmemdup(&i2c->dev, rt298_index_def,
1217 sizeof(rt298_index_def), GFP_KERNEL);
1218 if (!rt298->index_cache)
1219 return -ENOMEM;
1220
1221 rt298->index_cache_size = INDEX_CACHE_SIZE;
1222 rt298->i2c = i2c;
1223 i2c_set_clientdata(i2c, rt298);
1224
1225 /* restore codec default */
1226 for (i = 0; i < INDEX_CACHE_SIZE; i++)
1227 regmap_write(rt298->regmap, rt298->index_cache[i].reg,
1228 rt298->index_cache[i].def);
1229 for (i = 0; i < ARRAY_SIZE(rt298_reg); i++)
1230 regmap_write(rt298->regmap, rt298_reg[i].reg,
1231 rt298_reg[i].def);
1232
1233 if (pdata)
1234 rt298->pdata = *pdata;
1235
1236 /* enable jack combo mode on supported devices */
1237 acpiid = acpi_match_device(dev->driver->acpi_match_table, dev);
1238 if (acpiid && acpiid->driver_data) {
1239 rt298->pdata = *(struct rt298_platform_data *)
1240 acpiid->driver_data;
1241 }
1242
1243 if (dmi_check_system(force_combo_jack_table)) {
1244 rt298->pdata.cbj_en = true;
1245 rt298->pdata.gpio2_en = false;
1246 }
1247
1248 /* VREF Charging */
1249 regmap_update_bits(rt298->regmap, 0x04, 0x80, 0x80);
1250 regmap_update_bits(rt298->regmap, 0x1b, 0x860, 0x860);
1251 /* Vref2 */
1252 regmap_update_bits(rt298->regmap, 0x08, 0x20, 0x20);
1253
1254 regmap_write(rt298->regmap, RT298_SET_AUDIO_POWER, AC_PWRST_D3);
1255
1256 for (i = 0; i < RT298_POWER_REG_LEN; i++)
1257 regmap_write(rt298->regmap,
1258 RT298_SET_POWER(rt298_support_power_controls[i]),
1259 AC_PWRST_D1);
1260
1261 if (!rt298->pdata.cbj_en) {
1262 regmap_write(rt298->regmap, RT298_CBJ_CTRL2, 0x0000);
1263 regmap_write(rt298->regmap, RT298_MIC1_DET_CTRL, 0x0816);
1264 regmap_update_bits(rt298->regmap,
1265 RT298_CBJ_CTRL1, 0xf000, 0xb000);
1266 } else {
1267 regmap_update_bits(rt298->regmap,
1268 RT298_CBJ_CTRL1, 0xf000, 0x5000);
1269 }
1270
1271 mdelay(10);
1272
1273 if (!rt298->pdata.gpio2_en)
1274 regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0x40);
1275 else
1276 regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0);
1277
1278 mdelay(10);
1279
1280 regmap_write(rt298->regmap, RT298_MISC_CTRL1, 0x0000);
1281 regmap_update_bits(rt298->regmap,
1282 RT298_WIND_FILTER_CTRL, 0x0082, 0x0082);
1283
1284 regmap_write(rt298->regmap, RT298_UNSOLICITED_INLINE_CMD, 0x81);
1285 regmap_write(rt298->regmap, RT298_UNSOLICITED_HP_OUT, 0x82);
1286 regmap_write(rt298->regmap, RT298_UNSOLICITED_MIC1, 0x84);
1287 regmap_update_bits(rt298->regmap, RT298_IRQ_FLAG_CTRL, 0x2, 0x2);
1288
1289 rt298->is_hp_in = -1;
1290
1291 if (rt298->i2c->irq) {
1292 ret = request_threaded_irq(rt298->i2c->irq, NULL, rt298_irq,
1293 IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "rt298", rt298);
1294 if (ret != 0) {
1295 dev_err(&i2c->dev,
1296 "Failed to reguest IRQ: %d\n", ret);
1297 return ret;
1298 }
1299 }
1300
1301 ret = devm_snd_soc_register_component(&i2c->dev,
1302 &soc_component_dev_rt298,
1303 rt298_dai, ARRAY_SIZE(rt298_dai));
1304
1305 return ret;
1306 }
1307
rt298_i2c_remove(struct i2c_client * i2c)1308 static int rt298_i2c_remove(struct i2c_client *i2c)
1309 {
1310 struct rt298_priv *rt298 = i2c_get_clientdata(i2c);
1311
1312 if (i2c->irq)
1313 free_irq(i2c->irq, rt298);
1314
1315 return 0;
1316 }
1317
1318
1319 static struct i2c_driver rt298_i2c_driver = {
1320 .driver = {
1321 .name = "rt298",
1322 .acpi_match_table = ACPI_PTR(rt298_acpi_match),
1323 },
1324 .probe = rt298_i2c_probe,
1325 .remove = rt298_i2c_remove,
1326 .id_table = rt298_i2c_id,
1327 };
1328
1329 module_i2c_driver(rt298_i2c_driver);
1330
1331 MODULE_DESCRIPTION("ASoC RT298 driver");
1332 MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>");
1333 MODULE_LICENSE("GPL");
1334