1// SPDX-License-Identifier: GPL-2.0
2//
3// rt700.c -- rt700 ALSA SoC audio driver
4//
5// Copyright(c) 2019 Realtek Semiconductor Corp.
6//
7//
8
9#include <linux/module.h>
10#include <linux/moduleparam.h>
11#include <linux/kernel.h>
12#include <linux/init.h>
13#include <linux/delay.h>
14#include <linux/pm_runtime.h>
15#include <linux/pm.h>
16#include <linux/soundwire/sdw.h>
17#include <linux/regmap.h>
18#include <linux/slab.h>
19#include <sound/core.h>
20#include <sound/pcm.h>
21#include <sound/pcm_params.h>
22#include <sound/sdw.h>
23#include <sound/soc.h>
24#include <sound/soc-dapm.h>
25#include <sound/initval.h>
26#include <sound/tlv.h>
27#include <sound/hda_verbs.h>
28#include <sound/jack.h>
29
30#include "rt700.h"
31
32static int rt700_index_write(struct regmap *regmap,
33 unsigned int reg, unsigned int value)
34{
35 int ret;
36 unsigned int addr = (RT700_PRIV_INDEX_W_H << 8) | reg;
37
38 ret = regmap_write(map: regmap, reg: addr, val: value);
39 if (ret < 0)
40 pr_err("%s: Failed to set private value: %06x <= %04x ret=%d\n",
41 __func__, addr, value, ret);
42
43 return ret;
44}
45
46static int rt700_index_read(struct regmap *regmap,
47 unsigned int reg, unsigned int *value)
48{
49 int ret;
50 unsigned int addr = (RT700_PRIV_INDEX_W_H << 8) | reg;
51
52 *value = 0;
53 ret = regmap_read(map: regmap, reg: addr, val: value);
54 if (ret < 0)
55 pr_err("%s: Failed to get private value: %06x => %04x ret=%d\n",
56 __func__, addr, *value, ret);
57
58 return ret;
59}
60
61static unsigned int rt700_button_detect(struct rt700_priv *rt700)
62{
63 unsigned int btn_type = 0, val80, val81;
64 int ret;
65
66 ret = rt700_index_read(regmap: rt700->regmap, RT700_IRQ_FLAG_TABLE1, value: &val80);
67 if (ret < 0)
68 goto read_error;
69 ret = rt700_index_read(regmap: rt700->regmap, RT700_IRQ_FLAG_TABLE2, value: &val81);
70 if (ret < 0)
71 goto read_error;
72
73 val80 &= 0x0381;
74 val81 &= 0xff00;
75
76 switch (val80) {
77 case 0x0200:
78 case 0x0100:
79 case 0x0080:
80 btn_type |= SND_JACK_BTN_0;
81 break;
82 case 0x0001:
83 btn_type |= SND_JACK_BTN_3;
84 break;
85 }
86 switch (val81) {
87 case 0x8000:
88 case 0x4000:
89 case 0x2000:
90 btn_type |= SND_JACK_BTN_1;
91 break;
92 case 0x1000:
93 case 0x0800:
94 case 0x0400:
95 btn_type |= SND_JACK_BTN_2;
96 break;
97 case 0x0200:
98 case 0x0100:
99 btn_type |= SND_JACK_BTN_3;
100 break;
101 }
102read_error:
103 return btn_type;
104}
105
106static int rt700_headset_detect(struct rt700_priv *rt700)
107{
108 unsigned int buf, loop = 0;
109 int ret;
110 unsigned int jack_status = 0, reg;
111
112 ret = rt700_index_read(regmap: rt700->regmap,
113 RT700_COMBO_JACK_AUTO_CTL2, value: &buf);
114 if (ret < 0)
115 goto io_error;
116
117 while (loop < 500 &&
118 (buf & RT700_COMBOJACK_AUTO_DET_STATUS) == 0) {
119 loop++;
120
121 usleep_range(min: 9000, max: 10000);
122 ret = rt700_index_read(regmap: rt700->regmap,
123 RT700_COMBO_JACK_AUTO_CTL2, value: &buf);
124 if (ret < 0)
125 goto io_error;
126
127 reg = RT700_VERB_GET_PIN_SENSE | RT700_HP_OUT;
128 ret = regmap_read(map: rt700->regmap, reg, val: &jack_status);
129 if ((jack_status & (1 << 31)) == 0)
130 goto remove_error;
131 }
132
133 if (loop >= 500)
134 goto to_error;
135
136 if (buf & RT700_COMBOJACK_AUTO_DET_TRS)
137 rt700->jack_type = SND_JACK_HEADPHONE;
138 else if ((buf & RT700_COMBOJACK_AUTO_DET_CTIA) ||
139 (buf & RT700_COMBOJACK_AUTO_DET_OMTP))
140 rt700->jack_type = SND_JACK_HEADSET;
141
142 return 0;
143
144to_error:
145 ret = -ETIMEDOUT;
146 pr_err_ratelimited("Time-out error in %s\n", __func__);
147 return ret;
148io_error:
149 pr_err_ratelimited("IO error in %s, ret %d\n", __func__, ret);
150 return ret;
151remove_error:
152 pr_err_ratelimited("Jack removal in %s\n", __func__);
153 return -ENODEV;
154}
155
156static void rt700_jack_detect_handler(struct work_struct *work)
157{
158 struct rt700_priv *rt700 =
159 container_of(work, struct rt700_priv, jack_detect_work.work);
160 int btn_type = 0, ret;
161 unsigned int jack_status = 0, reg;
162
163 if (!rt700->hs_jack)
164 return;
165
166 if (!snd_soc_card_is_instantiated(card: rt700->component->card))
167 return;
168
169 reg = RT700_VERB_GET_PIN_SENSE | RT700_HP_OUT;
170 ret = regmap_read(map: rt700->regmap, reg, val: &jack_status);
171 if (ret < 0)
172 goto io_error;
173
174 /* pin attached */
175 if (jack_status & (1 << 31)) {
176 /* jack in */
177 if (rt700->jack_type == 0) {
178 ret = rt700_headset_detect(rt700);
179 if (ret < 0)
180 return;
181 if (rt700->jack_type == SND_JACK_HEADSET)
182 btn_type = rt700_button_detect(rt700);
183 } else if (rt700->jack_type == SND_JACK_HEADSET) {
184 /* jack is already in, report button event */
185 btn_type = rt700_button_detect(rt700);
186 }
187 } else {
188 /* jack out */
189 rt700->jack_type = 0;
190 }
191
192 dev_dbg(&rt700->slave->dev,
193 "in %s, jack_type=0x%x\n", __func__, rt700->jack_type);
194 dev_dbg(&rt700->slave->dev,
195 "in %s, btn_type=0x%x\n", __func__, btn_type);
196
197 snd_soc_jack_report(jack: rt700->hs_jack, status: rt700->jack_type | btn_type,
198 mask: SND_JACK_HEADSET |
199 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
200 SND_JACK_BTN_2 | SND_JACK_BTN_3);
201
202 if (btn_type) {
203 /* button released */
204 snd_soc_jack_report(jack: rt700->hs_jack, status: rt700->jack_type,
205 mask: SND_JACK_HEADSET |
206 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
207 SND_JACK_BTN_2 | SND_JACK_BTN_3);
208
209 mod_delayed_work(wq: system_power_efficient_wq,
210 dwork: &rt700->jack_btn_check_work, delay: msecs_to_jiffies(m: 200));
211 }
212
213 return;
214
215io_error:
216 pr_err_ratelimited("IO error in %s, ret %d\n", __func__, ret);
217}
218
219static void rt700_btn_check_handler(struct work_struct *work)
220{
221 struct rt700_priv *rt700 = container_of(work, struct rt700_priv,
222 jack_btn_check_work.work);
223 int btn_type = 0, ret;
224 unsigned int jack_status = 0, reg;
225
226 reg = RT700_VERB_GET_PIN_SENSE | RT700_HP_OUT;
227 ret = regmap_read(map: rt700->regmap, reg, val: &jack_status);
228 if (ret < 0)
229 goto io_error;
230
231 /* pin attached */
232 if (jack_status & (1 << 31)) {
233 if (rt700->jack_type == SND_JACK_HEADSET) {
234 /* jack is already in, report button event */
235 btn_type = rt700_button_detect(rt700);
236 }
237 } else {
238 rt700->jack_type = 0;
239 }
240
241 /* cbj comparator */
242 ret = rt700_index_read(regmap: rt700->regmap, RT700_COMBO_JACK_AUTO_CTL2, value: &reg);
243 if (ret < 0)
244 goto io_error;
245
246 if ((reg & 0xf0) == 0xf0)
247 btn_type = 0;
248
249 dev_dbg(&rt700->slave->dev,
250 "%s, btn_type=0x%x\n", __func__, btn_type);
251 snd_soc_jack_report(jack: rt700->hs_jack, status: rt700->jack_type | btn_type,
252 mask: SND_JACK_HEADSET |
253 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
254 SND_JACK_BTN_2 | SND_JACK_BTN_3);
255
256 if (btn_type) {
257 /* button released */
258 snd_soc_jack_report(jack: rt700->hs_jack, status: rt700->jack_type,
259 mask: SND_JACK_HEADSET |
260 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
261 SND_JACK_BTN_2 | SND_JACK_BTN_3);
262
263 mod_delayed_work(wq: system_power_efficient_wq,
264 dwork: &rt700->jack_btn_check_work, delay: msecs_to_jiffies(m: 200));
265 }
266
267 return;
268
269io_error:
270 pr_err_ratelimited("IO error in %s, ret %d\n", __func__, ret);
271}
272
273static void rt700_jack_init(struct rt700_priv *rt700)
274{
275 struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component: rt700->component);
276
277 /* power on */
278 if (snd_soc_dapm_get_bias_level(dapm) <= SND_SOC_BIAS_STANDBY)
279 regmap_write(map: rt700->regmap,
280 RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D0);
281
282 if (rt700->hs_jack) {
283 /* Enable Jack Detection */
284 regmap_write(map: rt700->regmap,
285 RT700_SET_MIC2_UNSOLICITED_ENABLE, val: 0x82);
286 regmap_write(map: rt700->regmap,
287 RT700_SET_HP_UNSOLICITED_ENABLE, val: 0x81);
288 regmap_write(map: rt700->regmap,
289 RT700_SET_INLINE_UNSOLICITED_ENABLE, val: 0x83);
290 rt700_index_write(regmap: rt700->regmap, reg: 0x10, value: 0x2420);
291 rt700_index_write(regmap: rt700->regmap, reg: 0x19, value: 0x2e11);
292
293 dev_dbg(&rt700->slave->dev, "in %s enable\n", __func__);
294
295 mod_delayed_work(wq: system_power_efficient_wq,
296 dwork: &rt700->jack_detect_work, delay: msecs_to_jiffies(m: 250));
297 } else {
298 regmap_write(map: rt700->regmap,
299 RT700_SET_MIC2_UNSOLICITED_ENABLE, val: 0x00);
300 regmap_write(map: rt700->regmap,
301 RT700_SET_HP_UNSOLICITED_ENABLE, val: 0x00);
302 regmap_write(map: rt700->regmap,
303 RT700_SET_INLINE_UNSOLICITED_ENABLE, val: 0x00);
304
305 dev_dbg(&rt700->slave->dev, "in %s disable\n", __func__);
306 }
307
308 /* power off */
309 if (snd_soc_dapm_get_bias_level(dapm) <= SND_SOC_BIAS_STANDBY)
310 regmap_write(map: rt700->regmap,
311 RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D3);
312}
313
314static int rt700_set_jack_detect(struct snd_soc_component *component,
315 struct snd_soc_jack *hs_jack, void *data)
316{
317 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(c: component);
318 int ret;
319
320 rt700->hs_jack = hs_jack;
321
322 /* we can only resume if the device was initialized at least once */
323 if (!rt700->first_hw_init)
324 return 0;
325
326 ret = pm_runtime_resume_and_get(dev: component->dev);
327 if (ret < 0) {
328 if (ret != -EACCES) {
329 dev_err(component->dev, "%s: failed to resume %d\n", __func__, ret);
330 return ret;
331 }
332
333 /* pm_runtime not enabled yet */
334 dev_dbg(component->dev, "%s: skipping jack init for now\n", __func__);
335 return 0;
336 }
337
338 rt700_jack_init(rt700);
339
340 pm_runtime_put_autosuspend(dev: component->dev);
341
342 return 0;
343}
344
345static void rt700_get_gain(struct rt700_priv *rt700, unsigned int addr_h,
346 unsigned int addr_l, unsigned int val_h,
347 unsigned int *r_val, unsigned int *l_val)
348{
349 /* R Channel */
350 *r_val = (val_h << 8);
351 regmap_read(map: rt700->regmap, reg: addr_l, val: r_val);
352
353 /* L Channel */
354 val_h |= 0x20;
355 *l_val = (val_h << 8);
356 regmap_read(map: rt700->regmap, reg: addr_h, val: l_val);
357}
358
359/* For Verb-Set Amplifier Gain (Verb ID = 3h) */
360static int rt700_set_amp_gain_put(struct snd_kcontrol *kcontrol,
361 struct snd_ctl_elem_value *ucontrol)
362{
363 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
364 struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component);
365 struct soc_mixer_control *mc =
366 (struct soc_mixer_control *)kcontrol->private_value;
367 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(c: component);
368 unsigned int addr_h, addr_l, val_h, val_ll, val_lr;
369 unsigned int read_ll, read_rl;
370 int i;
371
372 /* Can't use update bit function, so read the original value first */
373 addr_h = mc->reg;
374 addr_l = mc->rreg;
375 if (mc->shift == RT700_DIR_OUT_SFT) /* output */
376 val_h = 0x80;
377 else /* input */
378 val_h = 0x0;
379
380 rt700_get_gain(rt700, addr_h, addr_l, val_h, r_val: &read_rl, l_val: &read_ll);
381
382 /* L Channel */
383 if (mc->invert) {
384 /* for mute */
385 val_ll = (mc->max - ucontrol->value.integer.value[0]) << 7;
386 /* keep gain */
387 read_ll = read_ll & 0x7f;
388 val_ll |= read_ll;
389 } else {
390 /* for gain */
391 val_ll = ((ucontrol->value.integer.value[0]) & 0x7f);
392 if (val_ll > mc->max)
393 val_ll = mc->max;
394 /* keep mute status */
395 read_ll = read_ll & 0x80;
396 val_ll |= read_ll;
397 }
398
399 if (snd_soc_dapm_get_bias_level(dapm) <= SND_SOC_BIAS_STANDBY)
400 regmap_write(map: rt700->regmap,
401 RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D0);
402
403 /* R Channel */
404 if (mc->invert) {
405 /* for mute */
406 val_lr = (mc->max - ucontrol->value.integer.value[1]) << 7;
407 /* keep gain */
408 read_rl = read_rl & 0x7f;
409 val_lr |= read_rl;
410 } else {
411 /* for gain */
412 val_lr = ((ucontrol->value.integer.value[1]) & 0x7f);
413 if (val_lr > mc->max)
414 val_lr = mc->max;
415 /* keep mute status */
416 read_rl = read_rl & 0x80;
417 val_lr |= read_rl;
418 }
419
420 for (i = 0; i < 3; i++) { /* retry 3 times at most */
421 if (val_ll == val_lr) {
422 /* Set both L/R channels at the same time */
423 val_h = (1 << mc->shift) | (3 << 4);
424 regmap_write(map: rt700->regmap,
425 reg: addr_h, val: (val_h << 8 | val_ll));
426 regmap_write(map: rt700->regmap,
427 reg: addr_l, val: (val_h << 8 | val_ll));
428 } else {
429 /* Lch*/
430 val_h = (1 << mc->shift) | (1 << 5);
431 regmap_write(map: rt700->regmap,
432 reg: addr_h, val: (val_h << 8 | val_ll));
433
434 /* Rch */
435 val_h = (1 << mc->shift) | (1 << 4);
436 regmap_write(map: rt700->regmap,
437 reg: addr_l, val: (val_h << 8 | val_lr));
438 }
439 /* check result */
440 if (mc->shift == RT700_DIR_OUT_SFT) /* output */
441 val_h = 0x80;
442 else /* input */
443 val_h = 0x0;
444
445 rt700_get_gain(rt700, addr_h, addr_l, val_h,
446 r_val: &read_rl, l_val: &read_ll);
447 if (read_rl == val_lr && read_ll == val_ll)
448 break;
449 }
450
451 if (snd_soc_dapm_get_bias_level(dapm) <= SND_SOC_BIAS_STANDBY)
452 regmap_write(map: rt700->regmap,
453 RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D3);
454 return 0;
455}
456
457static int rt700_set_amp_gain_get(struct snd_kcontrol *kcontrol,
458 struct snd_ctl_elem_value *ucontrol)
459{
460 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
461 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(c: component);
462 struct soc_mixer_control *mc =
463 (struct soc_mixer_control *)kcontrol->private_value;
464 unsigned int addr_h, addr_l, val_h;
465 unsigned int read_ll, read_rl;
466
467 addr_h = mc->reg;
468 addr_l = mc->rreg;
469 if (mc->shift == RT700_DIR_OUT_SFT) /* output */
470 val_h = 0x80;
471 else /* input */
472 val_h = 0x0;
473
474 rt700_get_gain(rt700, addr_h, addr_l, val_h, r_val: &read_rl, l_val: &read_ll);
475
476 if (mc->invert) {
477 /* for mute status */
478 read_ll = !((read_ll & 0x80) >> RT700_MUTE_SFT);
479 read_rl = !((read_rl & 0x80) >> RT700_MUTE_SFT);
480 } else {
481 /* for gain */
482 read_ll = read_ll & 0x7f;
483 read_rl = read_rl & 0x7f;
484 }
485 ucontrol->value.integer.value[0] = read_ll;
486 ucontrol->value.integer.value[1] = read_rl;
487
488 return 0;
489}
490
491static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6525, 75, 0);
492static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -1725, 75, 0);
493static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
494
495static const struct snd_kcontrol_new rt700_snd_controls[] = {
496 SOC_DOUBLE_R_EXT_TLV("DAC Front Playback Volume",
497 RT700_SET_GAIN_DAC1_H, RT700_SET_GAIN_DAC1_L,
498 RT700_DIR_OUT_SFT, 0x57, 0,
499 rt700_set_amp_gain_get, rt700_set_amp_gain_put, out_vol_tlv),
500 SOC_DOUBLE_R_EXT("ADC 08 Capture Switch",
501 RT700_SET_GAIN_ADC2_H, RT700_SET_GAIN_ADC2_L,
502 RT700_DIR_IN_SFT, 1, 1,
503 rt700_set_amp_gain_get, rt700_set_amp_gain_put),
504 SOC_DOUBLE_R_EXT("ADC 09 Capture Switch",
505 RT700_SET_GAIN_ADC1_H, RT700_SET_GAIN_ADC1_L,
506 RT700_DIR_IN_SFT, 1, 1,
507 rt700_set_amp_gain_get, rt700_set_amp_gain_put),
508 SOC_DOUBLE_R_EXT_TLV("ADC 08 Capture Volume",
509 RT700_SET_GAIN_ADC2_H, RT700_SET_GAIN_ADC2_L,
510 RT700_DIR_IN_SFT, 0x3f, 0,
511 rt700_set_amp_gain_get, rt700_set_amp_gain_put, in_vol_tlv),
512 SOC_DOUBLE_R_EXT_TLV("ADC 09 Capture Volume",
513 RT700_SET_GAIN_ADC1_H, RT700_SET_GAIN_ADC1_L,
514 RT700_DIR_IN_SFT, 0x3f, 0,
515 rt700_set_amp_gain_get, rt700_set_amp_gain_put, in_vol_tlv),
516 SOC_DOUBLE_R_EXT_TLV("AMIC Volume",
517 RT700_SET_GAIN_AMIC_H, RT700_SET_GAIN_AMIC_L,
518 RT700_DIR_IN_SFT, 3, 0,
519 rt700_set_amp_gain_get, rt700_set_amp_gain_put, mic_vol_tlv),
520};
521
522static int rt700_mux_get(struct snd_kcontrol *kcontrol,
523 struct snd_ctl_elem_value *ucontrol)
524{
525 struct snd_soc_component *component = snd_soc_dapm_kcontrol_to_component(kcontrol);
526 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(c: component);
527 unsigned int reg, val = 0, nid;
528 int ret;
529
530 if (strstr(ucontrol->id.name, "HPO Mux"))
531 nid = RT700_HP_OUT;
532 else if (strstr(ucontrol->id.name, "ADC 22 Mux"))
533 nid = RT700_MIXER_IN1;
534 else if (strstr(ucontrol->id.name, "ADC 23 Mux"))
535 nid = RT700_MIXER_IN2;
536 else
537 return -EINVAL;
538
539 /* vid = 0xf01 */
540 reg = RT700_VERB_SET_CONNECT_SEL | nid;
541 ret = regmap_read(map: rt700->regmap, reg, val: &val);
542 if (ret < 0)
543 return ret;
544
545 ucontrol->value.enumerated.item[0] = val;
546
547 return 0;
548}
549
550static int rt700_mux_put(struct snd_kcontrol *kcontrol,
551 struct snd_ctl_elem_value *ucontrol)
552{
553 struct snd_soc_component *component = snd_soc_dapm_kcontrol_to_component(kcontrol);
554 struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_to_dapm(kcontrol);
555 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(c: component);
556 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
557 unsigned int *item = ucontrol->value.enumerated.item;
558 unsigned int val, val2 = 0, change, reg, nid;
559 int ret;
560
561 if (item[0] >= e->items)
562 return -EINVAL;
563
564 if (strstr(ucontrol->id.name, "HPO Mux"))
565 nid = RT700_HP_OUT;
566 else if (strstr(ucontrol->id.name, "ADC 22 Mux"))
567 nid = RT700_MIXER_IN1;
568 else if (strstr(ucontrol->id.name, "ADC 23 Mux"))
569 nid = RT700_MIXER_IN2;
570 else
571 return -EINVAL;
572
573 /* Verb ID = 0x701h */
574 val = snd_soc_enum_item_to_val(e, item: item[0]) << e->shift_l;
575
576 reg = RT700_VERB_SET_CONNECT_SEL | nid;
577 ret = regmap_read(map: rt700->regmap, reg, val: &val2);
578 if (ret < 0)
579 return ret;
580
581 if (val == val2)
582 change = 0;
583 else
584 change = 1;
585
586 if (change) {
587 reg = RT700_VERB_SET_CONNECT_SEL | nid;
588 regmap_write(map: rt700->regmap, reg, val);
589 }
590
591 snd_soc_dapm_mux_update_power(dapm, kcontrol,
592 mux: item[0], e, NULL);
593
594 return change;
595}
596
597static const char * const adc_mux_text[] = {
598 "MIC2",
599 "LINE1",
600 "LINE2",
601 "DMIC",
602};
603
604static SOC_ENUM_SINGLE_DECL(
605 rt700_adc22_enum, SND_SOC_NOPM, 0, adc_mux_text);
606
607static SOC_ENUM_SINGLE_DECL(
608 rt700_adc23_enum, SND_SOC_NOPM, 0, adc_mux_text);
609
610static const struct snd_kcontrol_new rt700_adc22_mux =
611 SOC_DAPM_ENUM_EXT("ADC 22 Mux", rt700_adc22_enum,
612 rt700_mux_get, rt700_mux_put);
613
614static const struct snd_kcontrol_new rt700_adc23_mux =
615 SOC_DAPM_ENUM_EXT("ADC 23 Mux", rt700_adc23_enum,
616 rt700_mux_get, rt700_mux_put);
617
618static const char * const out_mux_text[] = {
619 "Front",
620 "Surround",
621};
622
623static SOC_ENUM_SINGLE_DECL(
624 rt700_hp_enum, SND_SOC_NOPM, 0, out_mux_text);
625
626static const struct snd_kcontrol_new rt700_hp_mux =
627 SOC_DAPM_ENUM_EXT("HP Mux", rt700_hp_enum,
628 rt700_mux_get, rt700_mux_put);
629
630static int rt700_dac_front_event(struct snd_soc_dapm_widget *w,
631 struct snd_kcontrol *kcontrol, int event)
632{
633 struct snd_soc_component *component =
634 snd_soc_dapm_to_component(dapm: w->dapm);
635 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(c: component);
636
637 switch (event) {
638 case SND_SOC_DAPM_POST_PMU:
639 regmap_write(map: rt700->regmap,
640 RT700_SET_STREAMID_DAC1, val: 0x10);
641 break;
642 case SND_SOC_DAPM_PRE_PMD:
643 regmap_write(map: rt700->regmap,
644 RT700_SET_STREAMID_DAC1, val: 0x00);
645 break;
646 }
647 return 0;
648}
649
650static int rt700_dac_surround_event(struct snd_soc_dapm_widget *w,
651 struct snd_kcontrol *kcontrol, int event)
652{
653 struct snd_soc_component *component =
654 snd_soc_dapm_to_component(dapm: w->dapm);
655 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(c: component);
656
657 switch (event) {
658 case SND_SOC_DAPM_POST_PMU:
659 regmap_write(map: rt700->regmap,
660 RT700_SET_STREAMID_DAC2, val: 0x10);
661 break;
662 case SND_SOC_DAPM_PRE_PMD:
663 regmap_write(map: rt700->regmap,
664 RT700_SET_STREAMID_DAC2, val: 0x00);
665 break;
666 }
667 return 0;
668}
669
670static int rt700_adc_09_event(struct snd_soc_dapm_widget *w,
671 struct snd_kcontrol *kcontrol, int event)
672{
673 struct snd_soc_component *component =
674 snd_soc_dapm_to_component(dapm: w->dapm);
675 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(c: component);
676
677 switch (event) {
678 case SND_SOC_DAPM_POST_PMU:
679 regmap_write(map: rt700->regmap,
680 RT700_SET_STREAMID_ADC1, val: 0x10);
681 break;
682 case SND_SOC_DAPM_PRE_PMD:
683 regmap_write(map: rt700->regmap,
684 RT700_SET_STREAMID_ADC1, val: 0x00);
685 break;
686 }
687 return 0;
688}
689
690static int rt700_adc_08_event(struct snd_soc_dapm_widget *w,
691 struct snd_kcontrol *kcontrol, int event)
692{
693 struct snd_soc_component *component =
694 snd_soc_dapm_to_component(dapm: w->dapm);
695 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(c: component);
696
697 switch (event) {
698 case SND_SOC_DAPM_POST_PMU:
699 regmap_write(map: rt700->regmap,
700 RT700_SET_STREAMID_ADC2, val: 0x10);
701 break;
702 case SND_SOC_DAPM_PRE_PMD:
703 regmap_write(map: rt700->regmap,
704 RT700_SET_STREAMID_ADC2, val: 0x00);
705 break;
706 }
707 return 0;
708}
709
710static int rt700_hpo_mux_event(struct snd_soc_dapm_widget *w,
711 struct snd_kcontrol *kcontrol, int event)
712{
713 struct snd_soc_component *component =
714 snd_soc_dapm_to_component(dapm: w->dapm);
715 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(c: component);
716 unsigned int val_h = (1 << RT700_DIR_OUT_SFT) | (0x3 << 4);
717 unsigned int val_l;
718
719 switch (event) {
720 case SND_SOC_DAPM_POST_PMU:
721 val_l = 0x00;
722 regmap_write(map: rt700->regmap,
723 RT700_SET_GAIN_HP_H, val: (val_h << 8 | val_l));
724 break;
725 case SND_SOC_DAPM_PRE_PMD:
726 val_l = (1 << RT700_MUTE_SFT);
727 regmap_write(map: rt700->regmap,
728 RT700_SET_GAIN_HP_H, val: (val_h << 8 | val_l));
729 usleep_range(min: 50000, max: 55000);
730 break;
731 }
732 return 0;
733}
734
735static int rt700_spk_pga_event(struct snd_soc_dapm_widget *w,
736 struct snd_kcontrol *kcontrol, int event)
737{
738 struct snd_soc_component *component =
739 snd_soc_dapm_to_component(dapm: w->dapm);
740 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(c: component);
741 unsigned int val_h = (1 << RT700_DIR_OUT_SFT) | (0x3 << 4);
742 unsigned int val_l;
743
744 switch (event) {
745 case SND_SOC_DAPM_POST_PMU:
746 val_l = 0x00;
747 regmap_write(map: rt700->regmap,
748 RT700_SET_GAIN_SPK_H, val: (val_h << 8 | val_l));
749 break;
750 case SND_SOC_DAPM_PRE_PMD:
751 val_l = (1 << RT700_MUTE_SFT);
752 regmap_write(map: rt700->regmap,
753 RT700_SET_GAIN_SPK_H, val: (val_h << 8 | val_l));
754 break;
755 }
756 return 0;
757}
758
759static const struct snd_soc_dapm_widget rt700_dapm_widgets[] = {
760 SND_SOC_DAPM_OUTPUT("HP"),
761 SND_SOC_DAPM_OUTPUT("SPK"),
762 SND_SOC_DAPM_INPUT("DMIC1"),
763 SND_SOC_DAPM_INPUT("DMIC2"),
764 SND_SOC_DAPM_INPUT("MIC2"),
765 SND_SOC_DAPM_INPUT("LINE1"),
766 SND_SOC_DAPM_INPUT("LINE2"),
767 SND_SOC_DAPM_DAC_E("DAC Front", NULL, SND_SOC_NOPM, 0, 0,
768 rt700_dac_front_event,
769 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
770 SND_SOC_DAPM_DAC_E("DAC Surround", NULL, SND_SOC_NOPM, 0, 0,
771 rt700_dac_surround_event,
772 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
773 SND_SOC_DAPM_MUX_E("HPO Mux", SND_SOC_NOPM, 0, 0, &rt700_hp_mux,
774 rt700_hpo_mux_event,
775 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
776 SND_SOC_DAPM_PGA_E("SPK PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
777 rt700_spk_pga_event,
778 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
779 SND_SOC_DAPM_ADC_E("ADC 09", NULL, SND_SOC_NOPM, 0, 0,
780 rt700_adc_09_event,
781 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
782 SND_SOC_DAPM_ADC_E("ADC 08", NULL, SND_SOC_NOPM, 0, 0,
783 rt700_adc_08_event,
784 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
785 SND_SOC_DAPM_MUX("ADC 22 Mux", SND_SOC_NOPM, 0, 0,
786 &rt700_adc22_mux),
787 SND_SOC_DAPM_MUX("ADC 23 Mux", SND_SOC_NOPM, 0, 0,
788 &rt700_adc23_mux),
789 SND_SOC_DAPM_AIF_IN("DP1RX", "DP1 Playback", 0, SND_SOC_NOPM, 0, 0),
790 SND_SOC_DAPM_AIF_IN("DP3RX", "DP3 Playback", 0, SND_SOC_NOPM, 0, 0),
791 SND_SOC_DAPM_AIF_OUT("DP2TX", "DP2 Capture", 0, SND_SOC_NOPM, 0, 0),
792 SND_SOC_DAPM_AIF_OUT("DP4TX", "DP4 Capture", 0, SND_SOC_NOPM, 0, 0),
793};
794
795static const struct snd_soc_dapm_route rt700_audio_map[] = {
796 {"DAC Front", NULL, "DP1RX"},
797 {"DAC Surround", NULL, "DP3RX"},
798 {"DP2TX", NULL, "ADC 09"},
799 {"DP4TX", NULL, "ADC 08"},
800 {"ADC 09", NULL, "ADC 22 Mux"},
801 {"ADC 08", NULL, "ADC 23 Mux"},
802 {"ADC 22 Mux", "DMIC", "DMIC1"},
803 {"ADC 22 Mux", "LINE1", "LINE1"},
804 {"ADC 22 Mux", "LINE2", "LINE2"},
805 {"ADC 22 Mux", "MIC2", "MIC2"},
806 {"ADC 23 Mux", "DMIC", "DMIC2"},
807 {"ADC 23 Mux", "LINE1", "LINE1"},
808 {"ADC 23 Mux", "LINE2", "LINE2"},
809 {"ADC 23 Mux", "MIC2", "MIC2"},
810 {"HPO Mux", "Front", "DAC Front"},
811 {"HPO Mux", "Surround", "DAC Surround"},
812 {"HP", NULL, "HPO Mux"},
813 {"SPK PGA", NULL, "DAC Front"},
814 {"SPK", NULL, "SPK PGA"},
815};
816
817static int rt700_probe(struct snd_soc_component *component)
818{
819 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(c: component);
820 int ret;
821
822 rt700->component = component;
823
824 if (!rt700->first_hw_init)
825 return 0;
826
827 ret = pm_runtime_resume(dev: component->dev);
828 if (ret < 0 && ret != -EACCES)
829 return ret;
830
831 return 0;
832}
833
834static int rt700_set_bias_level(struct snd_soc_component *component,
835 enum snd_soc_bias_level level)
836{
837 struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component);
838 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(c: component);
839
840 switch (level) {
841 case SND_SOC_BIAS_PREPARE:
842 if (snd_soc_dapm_get_bias_level(dapm) == SND_SOC_BIAS_STANDBY) {
843 regmap_write(map: rt700->regmap,
844 RT700_SET_AUDIO_POWER_STATE,
845 AC_PWRST_D0);
846 }
847 break;
848
849 case SND_SOC_BIAS_STANDBY:
850 regmap_write(map: rt700->regmap,
851 RT700_SET_AUDIO_POWER_STATE,
852 AC_PWRST_D3);
853 break;
854
855 default:
856 break;
857 }
858
859 return 0;
860}
861
862static const struct snd_soc_component_driver soc_codec_dev_rt700 = {
863 .probe = rt700_probe,
864 .set_bias_level = rt700_set_bias_level,
865 .controls = rt700_snd_controls,
866 .num_controls = ARRAY_SIZE(rt700_snd_controls),
867 .dapm_widgets = rt700_dapm_widgets,
868 .num_dapm_widgets = ARRAY_SIZE(rt700_dapm_widgets),
869 .dapm_routes = rt700_audio_map,
870 .num_dapm_routes = ARRAY_SIZE(rt700_audio_map),
871 .set_jack = rt700_set_jack_detect,
872 .endianness = 1,
873};
874
875static int rt700_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream,
876 int direction)
877{
878 snd_soc_dai_dma_data_set(dai, stream: direction, data: sdw_stream);
879
880 return 0;
881}
882
883static void rt700_shutdown(struct snd_pcm_substream *substream,
884 struct snd_soc_dai *dai)
885{
886 snd_soc_dai_set_dma_data(dai, substream, NULL);
887}
888
889static int rt700_pcm_hw_params(struct snd_pcm_substream *substream,
890 struct snd_pcm_hw_params *params,
891 struct snd_soc_dai *dai)
892{
893 struct snd_soc_component *component = dai->component;
894 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(c: component);
895 struct sdw_stream_config stream_config = {0};
896 struct sdw_port_config port_config = {0};
897 struct sdw_stream_runtime *sdw_stream;
898 int retval;
899 unsigned int val = 0;
900
901 dev_dbg(dai->dev, "%s %s", __func__, dai->name);
902 sdw_stream = snd_soc_dai_get_dma_data(dai, substream);
903
904 if (!sdw_stream)
905 return -EINVAL;
906
907 if (!rt700->slave)
908 return -EINVAL;
909
910 /* SoundWire specific configuration */
911 snd_sdw_params_to_config(substream, params, stream_config: &stream_config, port_config: &port_config);
912
913 /* This code assumes port 1 for playback and port 2 for capture */
914 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
915 port_config.num = 1;
916 else
917 port_config.num = 2;
918
919 switch (dai->id) {
920 case RT700_AIF1:
921 break;
922 case RT700_AIF2:
923 port_config.num += 2;
924 break;
925 default:
926 dev_err(component->dev, "%s: Invalid DAI id %d\n", __func__, dai->id);
927 return -EINVAL;
928 }
929
930 retval = sdw_stream_add_slave(slave: rt700->slave, stream_config: &stream_config,
931 port_config: &port_config, num_ports: 1, stream: sdw_stream);
932 if (retval) {
933 dev_err(dai->dev, "%s: Unable to configure port\n", __func__);
934 return retval;
935 }
936
937 if (params_channels(p: params) <= 16) {
938 /* bit 3:0 Number of Channel */
939 val |= (params_channels(p: params) - 1);
940 } else {
941 dev_err(component->dev, "%s: Unsupported channels %d\n",
942 __func__, params_channels(params));
943 return -EINVAL;
944 }
945
946 switch (params_width(p: params)) {
947 /* bit 6:4 Bits per Sample */
948 case 8:
949 break;
950 case 16:
951 val |= (0x1 << 4);
952 break;
953 case 20:
954 val |= (0x2 << 4);
955 break;
956 case 24:
957 val |= (0x3 << 4);
958 break;
959 case 32:
960 val |= (0x4 << 4);
961 break;
962 default:
963 return -EINVAL;
964 }
965
966 /* 48Khz */
967 regmap_write(map: rt700->regmap, RT700_DAC_FORMAT_H, val);
968 regmap_write(map: rt700->regmap, RT700_ADC_FORMAT_H, val);
969
970 return retval;
971}
972
973static int rt700_pcm_hw_free(struct snd_pcm_substream *substream,
974 struct snd_soc_dai *dai)
975{
976 struct snd_soc_component *component = dai->component;
977 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(c: component);
978 struct sdw_stream_runtime *sdw_stream =
979 snd_soc_dai_get_dma_data(dai, substream);
980
981 if (!rt700->slave)
982 return -EINVAL;
983
984 sdw_stream_remove_slave(slave: rt700->slave, stream: sdw_stream);
985 return 0;
986}
987
988#define RT700_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
989#define RT700_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
990 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
991
992static const struct snd_soc_dai_ops rt700_ops = {
993 .hw_params = rt700_pcm_hw_params,
994 .hw_free = rt700_pcm_hw_free,
995 .set_stream = rt700_set_sdw_stream,
996 .shutdown = rt700_shutdown,
997};
998
999static struct snd_soc_dai_driver rt700_dai[] = {
1000 {
1001 .name = "rt700-aif1",
1002 .id = RT700_AIF1,
1003 .playback = {
1004 .stream_name = "DP1 Playback",
1005 .channels_min = 1,
1006 .channels_max = 2,
1007 .rates = RT700_STEREO_RATES,
1008 .formats = RT700_FORMATS,
1009 },
1010 .capture = {
1011 .stream_name = "DP2 Capture",
1012 .channels_min = 1,
1013 .channels_max = 2,
1014 .rates = RT700_STEREO_RATES,
1015 .formats = RT700_FORMATS,
1016 },
1017 .ops = &rt700_ops,
1018 },
1019 {
1020 .name = "rt700-aif2",
1021 .id = RT700_AIF2,
1022 .playback = {
1023 .stream_name = "DP3 Playback",
1024 .channels_min = 1,
1025 .channels_max = 2,
1026 .rates = RT700_STEREO_RATES,
1027 .formats = RT700_FORMATS,
1028 },
1029 .capture = {
1030 .stream_name = "DP4 Capture",
1031 .channels_min = 1,
1032 .channels_max = 2,
1033 .rates = RT700_STEREO_RATES,
1034 .formats = RT700_FORMATS,
1035 },
1036 .ops = &rt700_ops,
1037 },
1038};
1039
1040/* Bus clock frequency */
1041#define RT700_CLK_FREQ_9600000HZ 9600000
1042#define RT700_CLK_FREQ_12000000HZ 12000000
1043#define RT700_CLK_FREQ_6000000HZ 6000000
1044#define RT700_CLK_FREQ_4800000HZ 4800000
1045#define RT700_CLK_FREQ_2400000HZ 2400000
1046#define RT700_CLK_FREQ_12288000HZ 12288000
1047
1048int rt700_clock_config(struct device *dev)
1049{
1050 struct rt700_priv *rt700 = dev_get_drvdata(dev);
1051 unsigned int clk_freq, value;
1052
1053 clk_freq = (rt700->params.curr_dr_freq >> 1);
1054
1055 switch (clk_freq) {
1056 case RT700_CLK_FREQ_12000000HZ:
1057 value = 0x0;
1058 break;
1059 case RT700_CLK_FREQ_6000000HZ:
1060 value = 0x1;
1061 break;
1062 case RT700_CLK_FREQ_9600000HZ:
1063 value = 0x2;
1064 break;
1065 case RT700_CLK_FREQ_4800000HZ:
1066 value = 0x3;
1067 break;
1068 case RT700_CLK_FREQ_2400000HZ:
1069 value = 0x4;
1070 break;
1071 case RT700_CLK_FREQ_12288000HZ:
1072 value = 0x5;
1073 break;
1074 default:
1075 return -EINVAL;
1076 }
1077
1078 regmap_write(map: rt700->regmap, reg: 0xe0, val: value);
1079 regmap_write(map: rt700->regmap, reg: 0xf0, val: value);
1080
1081 dev_dbg(dev, "%s complete, clk_freq=%d\n", __func__, clk_freq);
1082
1083 return 0;
1084}
1085
1086int rt700_init(struct device *dev, struct regmap *sdw_regmap,
1087 struct regmap *regmap, struct sdw_slave *slave)
1088
1089{
1090 struct rt700_priv *rt700;
1091 int ret;
1092
1093 rt700 = devm_kzalloc(dev, size: sizeof(*rt700), GFP_KERNEL);
1094 if (!rt700)
1095 return -ENOMEM;
1096
1097 dev_set_drvdata(dev, data: rt700);
1098 rt700->slave = slave;
1099 rt700->sdw_regmap = sdw_regmap;
1100 rt700->regmap = regmap;
1101
1102 regcache_cache_only(map: rt700->regmap, enable: true);
1103
1104 mutex_init(&rt700->disable_irq_lock);
1105
1106 INIT_DELAYED_WORK(&rt700->jack_detect_work,
1107 rt700_jack_detect_handler);
1108 INIT_DELAYED_WORK(&rt700->jack_btn_check_work,
1109 rt700_btn_check_handler);
1110
1111 /*
1112 * Mark hw_init to false
1113 * HW init will be performed when device reports present
1114 */
1115 rt700->hw_init = false;
1116 rt700->first_hw_init = false;
1117
1118 ret = devm_snd_soc_register_component(dev,
1119 component_driver: &soc_codec_dev_rt700,
1120 dai_drv: rt700_dai,
1121 ARRAY_SIZE(rt700_dai));
1122 if (ret < 0)
1123 return ret;
1124
1125 /* set autosuspend parameters */
1126 pm_runtime_set_autosuspend_delay(dev, delay: 3000);
1127 pm_runtime_use_autosuspend(dev);
1128
1129 /* make sure the device does not suspend immediately */
1130 pm_runtime_mark_last_busy(dev);
1131
1132 pm_runtime_enable(dev);
1133
1134 /* important note: the device is NOT tagged as 'active' and will remain
1135 * 'suspended' until the hardware is enumerated/initialized. This is required
1136 * to make sure the ASoC framework use of pm_runtime_get_sync() does not silently
1137 * fail with -EACCESS because of race conditions between card creation and enumeration
1138 */
1139 dev_dbg(&slave->dev, "%s\n", __func__);
1140
1141 return 0;
1142}
1143
1144int rt700_io_init(struct device *dev, struct sdw_slave *slave)
1145{
1146 struct rt700_priv *rt700 = dev_get_drvdata(dev);
1147
1148 rt700->disable_irq = false;
1149
1150 if (rt700->hw_init)
1151 return 0;
1152
1153 regcache_cache_only(map: rt700->regmap, enable: false);
1154 if (rt700->first_hw_init)
1155 regcache_cache_bypass(map: rt700->regmap, enable: true);
1156
1157 /*
1158 * PM runtime is only enabled when a Slave reports as Attached
1159 */
1160 if (!rt700->first_hw_init)
1161 /* PM runtime status is marked as 'active' only when a Slave reports as Attached */
1162 pm_runtime_set_active(dev: &slave->dev);
1163
1164 pm_runtime_get_noresume(dev: &slave->dev);
1165
1166 /* reset */
1167 regmap_write(map: rt700->regmap, reg: 0xff01, val: 0x0000);
1168 regmap_write(map: rt700->regmap, reg: 0x7520, val: 0x001a);
1169 regmap_write(map: rt700->regmap, reg: 0x7420, val: 0xc003);
1170
1171 /* power on */
1172 regmap_write(map: rt700->regmap, RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D0);
1173 /* Set Pin Widget */
1174 regmap_write(map: rt700->regmap, RT700_SET_PIN_HP, val: 0x40);
1175 regmap_write(map: rt700->regmap, RT700_SET_PIN_SPK, val: 0x40);
1176 regmap_write(map: rt700->regmap, RT700_SET_EAPD_SPK, RT700_EAPD_HIGH);
1177 regmap_write(map: rt700->regmap, RT700_SET_PIN_DMIC1, val: 0x20);
1178 regmap_write(map: rt700->regmap, RT700_SET_PIN_DMIC2, val: 0x20);
1179 regmap_write(map: rt700->regmap, RT700_SET_PIN_MIC2, val: 0x20);
1180
1181 /* Set Configuration Default */
1182 regmap_write(map: rt700->regmap, reg: 0x4f12, val: 0x91);
1183 regmap_write(map: rt700->regmap, reg: 0x4e12, val: 0xd6);
1184 regmap_write(map: rt700->regmap, reg: 0x4d12, val: 0x11);
1185 regmap_write(map: rt700->regmap, reg: 0x4c12, val: 0x20);
1186 regmap_write(map: rt700->regmap, reg: 0x4f13, val: 0x91);
1187 regmap_write(map: rt700->regmap, reg: 0x4e13, val: 0xd6);
1188 regmap_write(map: rt700->regmap, reg: 0x4d13, val: 0x11);
1189 regmap_write(map: rt700->regmap, reg: 0x4c13, val: 0x21);
1190
1191 regmap_write(map: rt700->regmap, reg: 0x4f19, val: 0x02);
1192 regmap_write(map: rt700->regmap, reg: 0x4e19, val: 0xa1);
1193 regmap_write(map: rt700->regmap, reg: 0x4d19, val: 0x90);
1194 regmap_write(map: rt700->regmap, reg: 0x4c19, val: 0x80);
1195
1196 /* Enable Line2 */
1197 regmap_write(map: rt700->regmap, reg: 0x371b, val: 0x40);
1198 regmap_write(map: rt700->regmap, reg: 0x731b, val: 0xb0);
1199 regmap_write(map: rt700->regmap, reg: 0x839b, val: 0x00);
1200
1201 /* Set index */
1202 rt700_index_write(regmap: rt700->regmap, reg: 0x4a, value: 0x201b);
1203 rt700_index_write(regmap: rt700->regmap, reg: 0x45, value: 0x5089);
1204 rt700_index_write(regmap: rt700->regmap, reg: 0x6b, value: 0x5064);
1205 rt700_index_write(regmap: rt700->regmap, reg: 0x48, value: 0xd249);
1206
1207 /* Finish Initial Settings, set power to D3 */
1208 regmap_write(map: rt700->regmap, RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D3);
1209
1210 /*
1211 * if set_jack callback occurred early than io_init,
1212 * we set up the jack detection function now
1213 */
1214 if (rt700->hs_jack)
1215 rt700_jack_init(rt700);
1216
1217 if (rt700->first_hw_init) {
1218 regcache_cache_bypass(map: rt700->regmap, enable: false);
1219 regcache_mark_dirty(map: rt700->regmap);
1220 } else
1221 rt700->first_hw_init = true;
1222
1223 /* Mark Slave initialization complete */
1224 rt700->hw_init = true;
1225
1226 pm_runtime_put_autosuspend(dev: &slave->dev);
1227
1228 dev_dbg(&slave->dev, "%s hw_init complete\n", __func__);
1229
1230 return 0;
1231}
1232
1233MODULE_DESCRIPTION("ASoC RT700 driver SDW");
1234MODULE_AUTHOR("Shuming Fan <shumingf@realtek.com>");
1235MODULE_LICENSE("GPL v2");
1236

source code of linux/sound/soc/codecs/rt700.c