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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(regmap, addr, 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(regmap, addr, 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(rt700->regmap, RT700_IRQ_FLAG_TABLE1, &val80);
67 if (ret < 0)
68 goto read_error;
69 ret = rt700_index_read(rt700->regmap, RT700_IRQ_FLAG_TABLE2, &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(rt700->regmap,
113 RT700_COMBO_JACK_AUTO_CTL2, &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(9000, 10000);
122 ret = rt700_index_read(rt700->regmap,
123 RT700_COMBO_JACK_AUTO_CTL2, &buf);
124 if (ret < 0)
125 goto io_error;
126
127 reg = RT700_VERB_GET_PIN_SENSE | RT700_HP_OUT;
128 ret = regmap_read(rt700->regmap, reg, &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(rt700->component->card))
167 return;
168
169 reg = RT700_VERB_GET_PIN_SENSE | RT700_HP_OUT;
170 ret = regmap_read(rt700->regmap, reg, &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(rt700->hs_jack, rt700->jack_type | btn_type,
198 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(rt700->hs_jack, rt700->jack_type,
205 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(system_power_efficient_wq,
210 &rt700->jack_btn_check_work, msecs_to_jiffies(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(rt700->regmap, reg, &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(rt700->regmap, RT700_COMBO_JACK_AUTO_CTL2, ®);
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(rt700->hs_jack, rt700->jack_type | btn_type,
252 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(rt700->hs_jack, rt700->jack_type,
259 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(system_power_efficient_wq,
264 &rt700->jack_btn_check_work, msecs_to_jiffies(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 =
276 snd_soc_component_get_dapm(rt700->component);
277
278 /* power on */
279 if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)
280 regmap_write(rt700->regmap,
281 RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D0);
282
283 if (rt700->hs_jack) {
284 /* Enable Jack Detection */
285 regmap_write(rt700->regmap,
286 RT700_SET_MIC2_UNSOLICITED_ENABLE, 0x82);
287 regmap_write(rt700->regmap,
288 RT700_SET_HP_UNSOLICITED_ENABLE, 0x81);
289 regmap_write(rt700->regmap,
290 RT700_SET_INLINE_UNSOLICITED_ENABLE, 0x83);
291 rt700_index_write(rt700->regmap, 0x10, 0x2420);
292 rt700_index_write(rt700->regmap, 0x19, 0x2e11);
293
294 dev_dbg(&rt700->slave->dev, "in %s enable\n", __func__);
295
296 mod_delayed_work(system_power_efficient_wq,
297 &rt700->jack_detect_work, msecs_to_jiffies(250));
298 } else {
299 regmap_write(rt700->regmap,
300 RT700_SET_MIC2_UNSOLICITED_ENABLE, 0x00);
301 regmap_write(rt700->regmap,
302 RT700_SET_HP_UNSOLICITED_ENABLE, 0x00);
303 regmap_write(rt700->regmap,
304 RT700_SET_INLINE_UNSOLICITED_ENABLE, 0x00);
305
306 dev_dbg(&rt700->slave->dev, "in %s disable\n", __func__);
307 }
308
309 /* power off */
310 if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)
311 regmap_write(rt700->regmap,
312 RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D3);
313}
314
315static int rt700_set_jack_detect(struct snd_soc_component *component,
316 struct snd_soc_jack *hs_jack, void *data)
317{
318 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
319 int ret;
320
321 rt700->hs_jack = hs_jack;
322
323 /* we can only resume if the device was initialized at least once */
324 if (!rt700->first_hw_init)
325 return 0;
326
327 ret = pm_runtime_resume_and_get(component->dev);
328 if (ret < 0) {
329 if (ret != -EACCES) {
330 dev_err(component->dev, "%s: failed to resume %d\n", __func__, ret);
331 return ret;
332 }
333
334 /* pm_runtime not enabled yet */
335 dev_dbg(component->dev, "%s: skipping jack init for now\n", __func__);
336 return 0;
337 }
338
339 rt700_jack_init(rt700);
340
341 pm_runtime_mark_last_busy(component->dev);
342 pm_runtime_put_autosuspend(component->dev);
343
344 return 0;
345}
346
347static void rt700_get_gain(struct rt700_priv *rt700, unsigned int addr_h,
348 unsigned int addr_l, unsigned int val_h,
349 unsigned int *r_val, unsigned int *l_val)
350{
351 /* R Channel */
352 *r_val = (val_h << 8);
353 regmap_read(rt700->regmap, addr_l, r_val);
354
355 /* L Channel */
356 val_h |= 0x20;
357 *l_val = (val_h << 8);
358 regmap_read(rt700->regmap, addr_h, l_val);
359}
360
361/* For Verb-Set Amplifier Gain (Verb ID = 3h) */
362static int rt700_set_amp_gain_put(struct snd_kcontrol *kcontrol,
363 struct snd_ctl_elem_value *ucontrol)
364{
365 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
366 struct snd_soc_dapm_context *dapm =
367 snd_soc_component_get_dapm(component);
368 struct soc_mixer_control *mc =
369 (struct soc_mixer_control *)kcontrol->private_value;
370 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
371 unsigned int addr_h, addr_l, val_h, val_ll, val_lr;
372 unsigned int read_ll, read_rl;
373 int i;
374
375 /* Can't use update bit function, so read the original value first */
376 addr_h = mc->reg;
377 addr_l = mc->rreg;
378 if (mc->shift == RT700_DIR_OUT_SFT) /* output */
379 val_h = 0x80;
380 else /* input */
381 val_h = 0x0;
382
383 rt700_get_gain(rt700, addr_h, addr_l, val_h, &read_rl, &read_ll);
384
385 /* L Channel */
386 if (mc->invert) {
387 /* for mute */
388 val_ll = (mc->max - ucontrol->value.integer.value[0]) << 7;
389 /* keep gain */
390 read_ll = read_ll & 0x7f;
391 val_ll |= read_ll;
392 } else {
393 /* for gain */
394 val_ll = ((ucontrol->value.integer.value[0]) & 0x7f);
395 if (val_ll > mc->max)
396 val_ll = mc->max;
397 /* keep mute status */
398 read_ll = read_ll & 0x80;
399 val_ll |= read_ll;
400 }
401
402 if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)
403 regmap_write(rt700->regmap,
404 RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D0);
405
406 /* R Channel */
407 if (mc->invert) {
408 /* for mute */
409 val_lr = (mc->max - ucontrol->value.integer.value[1]) << 7;
410 /* keep gain */
411 read_rl = read_rl & 0x7f;
412 val_lr |= read_rl;
413 } else {
414 /* for gain */
415 val_lr = ((ucontrol->value.integer.value[1]) & 0x7f);
416 if (val_lr > mc->max)
417 val_lr = mc->max;
418 /* keep mute status */
419 read_rl = read_rl & 0x80;
420 val_lr |= read_rl;
421 }
422
423 for (i = 0; i < 3; i++) { /* retry 3 times at most */
424 if (val_ll == val_lr) {
425 /* Set both L/R channels at the same time */
426 val_h = (1 << mc->shift) | (3 << 4);
427 regmap_write(rt700->regmap,
428 addr_h, (val_h << 8 | val_ll));
429 regmap_write(rt700->regmap,
430 addr_l, (val_h << 8 | val_ll));
431 } else {
432 /* Lch*/
433 val_h = (1 << mc->shift) | (1 << 5);
434 regmap_write(rt700->regmap,
435 addr_h, (val_h << 8 | val_ll));
436
437 /* Rch */
438 val_h = (1 << mc->shift) | (1 << 4);
439 regmap_write(rt700->regmap,
440 addr_l, (val_h << 8 | val_lr));
441 }
442 /* check result */
443 if (mc->shift == RT700_DIR_OUT_SFT) /* output */
444 val_h = 0x80;
445 else /* input */
446 val_h = 0x0;
447
448 rt700_get_gain(rt700, addr_h, addr_l, val_h,
449 &read_rl, &read_ll);
450 if (read_rl == val_lr && read_ll == val_ll)
451 break;
452 }
453
454 if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)
455 regmap_write(rt700->regmap,
456 RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D3);
457 return 0;
458}
459
460static int rt700_set_amp_gain_get(struct snd_kcontrol *kcontrol,
461 struct snd_ctl_elem_value *ucontrol)
462{
463 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
464 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
465 struct soc_mixer_control *mc =
466 (struct soc_mixer_control *)kcontrol->private_value;
467 unsigned int addr_h, addr_l, val_h;
468 unsigned int read_ll, read_rl;
469
470 addr_h = mc->reg;
471 addr_l = mc->rreg;
472 if (mc->shift == RT700_DIR_OUT_SFT) /* output */
473 val_h = 0x80;
474 else /* input */
475 val_h = 0x0;
476
477 rt700_get_gain(rt700, addr_h, addr_l, val_h, &read_rl, &read_ll);
478
479 if (mc->invert) {
480 /* for mute status */
481 read_ll = !((read_ll & 0x80) >> RT700_MUTE_SFT);
482 read_rl = !((read_rl & 0x80) >> RT700_MUTE_SFT);
483 } else {
484 /* for gain */
485 read_ll = read_ll & 0x7f;
486 read_rl = read_rl & 0x7f;
487 }
488 ucontrol->value.integer.value[0] = read_ll;
489 ucontrol->value.integer.value[1] = read_rl;
490
491 return 0;
492}
493
494static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6525, 75, 0);
495static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -1725, 75, 0);
496static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
497
498static const struct snd_kcontrol_new rt700_snd_controls[] = {
499 SOC_DOUBLE_R_EXT_TLV("DAC Front Playback Volume",
500 RT700_SET_GAIN_DAC1_H, RT700_SET_GAIN_DAC1_L,
501 RT700_DIR_OUT_SFT, 0x57, 0,
502 rt700_set_amp_gain_get, rt700_set_amp_gain_put, out_vol_tlv),
503 SOC_DOUBLE_R_EXT("ADC 08 Capture Switch",
504 RT700_SET_GAIN_ADC2_H, RT700_SET_GAIN_ADC2_L,
505 RT700_DIR_IN_SFT, 1, 1,
506 rt700_set_amp_gain_get, rt700_set_amp_gain_put),
507 SOC_DOUBLE_R_EXT("ADC 09 Capture Switch",
508 RT700_SET_GAIN_ADC1_H, RT700_SET_GAIN_ADC1_L,
509 RT700_DIR_IN_SFT, 1, 1,
510 rt700_set_amp_gain_get, rt700_set_amp_gain_put),
511 SOC_DOUBLE_R_EXT_TLV("ADC 08 Capture Volume",
512 RT700_SET_GAIN_ADC2_H, RT700_SET_GAIN_ADC2_L,
513 RT700_DIR_IN_SFT, 0x3f, 0,
514 rt700_set_amp_gain_get, rt700_set_amp_gain_put, in_vol_tlv),
515 SOC_DOUBLE_R_EXT_TLV("ADC 09 Capture Volume",
516 RT700_SET_GAIN_ADC1_H, RT700_SET_GAIN_ADC1_L,
517 RT700_DIR_IN_SFT, 0x3f, 0,
518 rt700_set_amp_gain_get, rt700_set_amp_gain_put, in_vol_tlv),
519 SOC_DOUBLE_R_EXT_TLV("AMIC Volume",
520 RT700_SET_GAIN_AMIC_H, RT700_SET_GAIN_AMIC_L,
521 RT700_DIR_IN_SFT, 3, 0,
522 rt700_set_amp_gain_get, rt700_set_amp_gain_put, mic_vol_tlv),
523};
524
525static int rt700_mux_get(struct snd_kcontrol *kcontrol,
526 struct snd_ctl_elem_value *ucontrol)
527{
528 struct snd_soc_component *component =
529 snd_soc_dapm_kcontrol_component(kcontrol);
530 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
531 unsigned int reg, val = 0, nid;
532 int ret;
533
534 if (strstr(ucontrol->id.name, "HPO Mux"))
535 nid = RT700_HP_OUT;
536 else if (strstr(ucontrol->id.name, "ADC 22 Mux"))
537 nid = RT700_MIXER_IN1;
538 else if (strstr(ucontrol->id.name, "ADC 23 Mux"))
539 nid = RT700_MIXER_IN2;
540 else
541 return -EINVAL;
542
543 /* vid = 0xf01 */
544 reg = RT700_VERB_SET_CONNECT_SEL | nid;
545 ret = regmap_read(rt700->regmap, reg, &val);
546 if (ret < 0)
547 return ret;
548
549 ucontrol->value.enumerated.item[0] = val;
550
551 return 0;
552}
553
554static int rt700_mux_put(struct snd_kcontrol *kcontrol,
555 struct snd_ctl_elem_value *ucontrol)
556{
557 struct snd_soc_component *component =
558 snd_soc_dapm_kcontrol_component(kcontrol);
559 struct snd_soc_dapm_context *dapm =
560 snd_soc_dapm_kcontrol_dapm(kcontrol);
561 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
562 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
563 unsigned int *item = ucontrol->value.enumerated.item;
564 unsigned int val, val2 = 0, change, reg, nid;
565 int ret;
566
567 if (item[0] >= e->items)
568 return -EINVAL;
569
570 if (strstr(ucontrol->id.name, "HPO Mux"))
571 nid = RT700_HP_OUT;
572 else if (strstr(ucontrol->id.name, "ADC 22 Mux"))
573 nid = RT700_MIXER_IN1;
574 else if (strstr(ucontrol->id.name, "ADC 23 Mux"))
575 nid = RT700_MIXER_IN2;
576 else
577 return -EINVAL;
578
579 /* Verb ID = 0x701h */
580 val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l;
581
582 reg = RT700_VERB_SET_CONNECT_SEL | nid;
583 ret = regmap_read(rt700->regmap, reg, &val2);
584 if (ret < 0)
585 return ret;
586
587 if (val == val2)
588 change = 0;
589 else
590 change = 1;
591
592 if (change) {
593 reg = RT700_VERB_SET_CONNECT_SEL | nid;
594 regmap_write(rt700->regmap, reg, val);
595 }
596
597 snd_soc_dapm_mux_update_power(dapm, kcontrol,
598 item[0], e, NULL);
599
600 return change;
601}
602
603static const char * const adc_mux_text[] = {
604 "MIC2",
605 "LINE1",
606 "LINE2",
607 "DMIC",
608};
609
610static SOC_ENUM_SINGLE_DECL(
611 rt700_adc22_enum, SND_SOC_NOPM, 0, adc_mux_text);
612
613static SOC_ENUM_SINGLE_DECL(
614 rt700_adc23_enum, SND_SOC_NOPM, 0, adc_mux_text);
615
616static const struct snd_kcontrol_new rt700_adc22_mux =
617 SOC_DAPM_ENUM_EXT("ADC 22 Mux", rt700_adc22_enum,
618 rt700_mux_get, rt700_mux_put);
619
620static const struct snd_kcontrol_new rt700_adc23_mux =
621 SOC_DAPM_ENUM_EXT("ADC 23 Mux", rt700_adc23_enum,
622 rt700_mux_get, rt700_mux_put);
623
624static const char * const out_mux_text[] = {
625 "Front",
626 "Surround",
627};
628
629static SOC_ENUM_SINGLE_DECL(
630 rt700_hp_enum, SND_SOC_NOPM, 0, out_mux_text);
631
632static const struct snd_kcontrol_new rt700_hp_mux =
633 SOC_DAPM_ENUM_EXT("HP Mux", rt700_hp_enum,
634 rt700_mux_get, rt700_mux_put);
635
636static int rt700_dac_front_event(struct snd_soc_dapm_widget *w,
637 struct snd_kcontrol *kcontrol, int event)
638{
639 struct snd_soc_component *component =
640 snd_soc_dapm_to_component(w->dapm);
641 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
642
643 switch (event) {
644 case SND_SOC_DAPM_POST_PMU:
645 regmap_write(rt700->regmap,
646 RT700_SET_STREAMID_DAC1, 0x10);
647 break;
648 case SND_SOC_DAPM_PRE_PMD:
649 regmap_write(rt700->regmap,
650 RT700_SET_STREAMID_DAC1, 0x00);
651 break;
652 }
653 return 0;
654}
655
656static int rt700_dac_surround_event(struct snd_soc_dapm_widget *w,
657 struct snd_kcontrol *kcontrol, int event)
658{
659 struct snd_soc_component *component =
660 snd_soc_dapm_to_component(w->dapm);
661 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
662
663 switch (event) {
664 case SND_SOC_DAPM_POST_PMU:
665 regmap_write(rt700->regmap,
666 RT700_SET_STREAMID_DAC2, 0x10);
667 break;
668 case SND_SOC_DAPM_PRE_PMD:
669 regmap_write(rt700->regmap,
670 RT700_SET_STREAMID_DAC2, 0x00);
671 break;
672 }
673 return 0;
674}
675
676static int rt700_adc_09_event(struct snd_soc_dapm_widget *w,
677 struct snd_kcontrol *kcontrol, int event)
678{
679 struct snd_soc_component *component =
680 snd_soc_dapm_to_component(w->dapm);
681 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
682
683 switch (event) {
684 case SND_SOC_DAPM_POST_PMU:
685 regmap_write(rt700->regmap,
686 RT700_SET_STREAMID_ADC1, 0x10);
687 break;
688 case SND_SOC_DAPM_PRE_PMD:
689 regmap_write(rt700->regmap,
690 RT700_SET_STREAMID_ADC1, 0x00);
691 break;
692 }
693 return 0;
694}
695
696static int rt700_adc_08_event(struct snd_soc_dapm_widget *w,
697 struct snd_kcontrol *kcontrol, int event)
698{
699 struct snd_soc_component *component =
700 snd_soc_dapm_to_component(w->dapm);
701 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
702
703 switch (event) {
704 case SND_SOC_DAPM_POST_PMU:
705 regmap_write(rt700->regmap,
706 RT700_SET_STREAMID_ADC2, 0x10);
707 break;
708 case SND_SOC_DAPM_PRE_PMD:
709 regmap_write(rt700->regmap,
710 RT700_SET_STREAMID_ADC2, 0x00);
711 break;
712 }
713 return 0;
714}
715
716static int rt700_hpo_mux_event(struct snd_soc_dapm_widget *w,
717 struct snd_kcontrol *kcontrol, int event)
718{
719 struct snd_soc_component *component =
720 snd_soc_dapm_to_component(w->dapm);
721 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
722 unsigned int val_h = (1 << RT700_DIR_OUT_SFT) | (0x3 << 4);
723 unsigned int val_l;
724
725 switch (event) {
726 case SND_SOC_DAPM_POST_PMU:
727 val_l = 0x00;
728 regmap_write(rt700->regmap,
729 RT700_SET_GAIN_HP_H, (val_h << 8 | val_l));
730 break;
731 case SND_SOC_DAPM_PRE_PMD:
732 val_l = (1 << RT700_MUTE_SFT);
733 regmap_write(rt700->regmap,
734 RT700_SET_GAIN_HP_H, (val_h << 8 | val_l));
735 usleep_range(50000, 55000);
736 break;
737 }
738 return 0;
739}
740
741static int rt700_spk_pga_event(struct snd_soc_dapm_widget *w,
742 struct snd_kcontrol *kcontrol, int event)
743{
744 struct snd_soc_component *component =
745 snd_soc_dapm_to_component(w->dapm);
746 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
747 unsigned int val_h = (1 << RT700_DIR_OUT_SFT) | (0x3 << 4);
748 unsigned int val_l;
749
750 switch (event) {
751 case SND_SOC_DAPM_POST_PMU:
752 val_l = 0x00;
753 regmap_write(rt700->regmap,
754 RT700_SET_GAIN_SPK_H, (val_h << 8 | val_l));
755 break;
756 case SND_SOC_DAPM_PRE_PMD:
757 val_l = (1 << RT700_MUTE_SFT);
758 regmap_write(rt700->regmap,
759 RT700_SET_GAIN_SPK_H, (val_h << 8 | val_l));
760 break;
761 }
762 return 0;
763}
764
765static const struct snd_soc_dapm_widget rt700_dapm_widgets[] = {
766 SND_SOC_DAPM_OUTPUT("HP"),
767 SND_SOC_DAPM_OUTPUT("SPK"),
768 SND_SOC_DAPM_INPUT("DMIC1"),
769 SND_SOC_DAPM_INPUT("DMIC2"),
770 SND_SOC_DAPM_INPUT("MIC2"),
771 SND_SOC_DAPM_INPUT("LINE1"),
772 SND_SOC_DAPM_INPUT("LINE2"),
773 SND_SOC_DAPM_DAC_E("DAC Front", NULL, SND_SOC_NOPM, 0, 0,
774 rt700_dac_front_event,
775 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
776 SND_SOC_DAPM_DAC_E("DAC Surround", NULL, SND_SOC_NOPM, 0, 0,
777 rt700_dac_surround_event,
778 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
779 SND_SOC_DAPM_MUX_E("HPO Mux", SND_SOC_NOPM, 0, 0, &rt700_hp_mux,
780 rt700_hpo_mux_event,
781 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
782 SND_SOC_DAPM_PGA_E("SPK PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
783 rt700_spk_pga_event,
784 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
785 SND_SOC_DAPM_ADC_E("ADC 09", NULL, SND_SOC_NOPM, 0, 0,
786 rt700_adc_09_event,
787 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
788 SND_SOC_DAPM_ADC_E("ADC 08", NULL, SND_SOC_NOPM, 0, 0,
789 rt700_adc_08_event,
790 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
791 SND_SOC_DAPM_MUX("ADC 22 Mux", SND_SOC_NOPM, 0, 0,
792 &rt700_adc22_mux),
793 SND_SOC_DAPM_MUX("ADC 23 Mux", SND_SOC_NOPM, 0, 0,
794 &rt700_adc23_mux),
795 SND_SOC_DAPM_AIF_IN("DP1RX", "DP1 Playback", 0, SND_SOC_NOPM, 0, 0),
796 SND_SOC_DAPM_AIF_IN("DP3RX", "DP3 Playback", 0, SND_SOC_NOPM, 0, 0),
797 SND_SOC_DAPM_AIF_OUT("DP2TX", "DP2 Capture", 0, SND_SOC_NOPM, 0, 0),
798 SND_SOC_DAPM_AIF_OUT("DP4TX", "DP4 Capture", 0, SND_SOC_NOPM, 0, 0),
799};
800
801static const struct snd_soc_dapm_route rt700_audio_map[] = {
802 {"DAC Front", NULL, "DP1RX"},
803 {"DAC Surround", NULL, "DP3RX"},
804 {"DP2TX", NULL, "ADC 09"},
805 {"DP4TX", NULL, "ADC 08"},
806 {"ADC 09", NULL, "ADC 22 Mux"},
807 {"ADC 08", NULL, "ADC 23 Mux"},
808 {"ADC 22 Mux", "DMIC", "DMIC1"},
809 {"ADC 22 Mux", "LINE1", "LINE1"},
810 {"ADC 22 Mux", "LINE2", "LINE2"},
811 {"ADC 22 Mux", "MIC2", "MIC2"},
812 {"ADC 23 Mux", "DMIC", "DMIC2"},
813 {"ADC 23 Mux", "LINE1", "LINE1"},
814 {"ADC 23 Mux", "LINE2", "LINE2"},
815 {"ADC 23 Mux", "MIC2", "MIC2"},
816 {"HPO Mux", "Front", "DAC Front"},
817 {"HPO Mux", "Surround", "DAC Surround"},
818 {"HP", NULL, "HPO Mux"},
819 {"SPK PGA", NULL, "DAC Front"},
820 {"SPK", NULL, "SPK PGA"},
821};
822
823static int rt700_probe(struct snd_soc_component *component)
824{
825 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
826 int ret;
827
828 rt700->component = component;
829
830 if (!rt700->first_hw_init)
831 return 0;
832
833 ret = pm_runtime_resume(component->dev);
834 if (ret < 0 && ret != -EACCES)
835 return ret;
836
837 return 0;
838}
839
840static int rt700_set_bias_level(struct snd_soc_component *component,
841 enum snd_soc_bias_level level)
842{
843 struct snd_soc_dapm_context *dapm =
844 snd_soc_component_get_dapm(component);
845 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
846
847 switch (level) {
848 case SND_SOC_BIAS_PREPARE:
849 if (dapm->bias_level == SND_SOC_BIAS_STANDBY) {
850 regmap_write(rt700->regmap,
851 RT700_SET_AUDIO_POWER_STATE,
852 AC_PWRST_D0);
853 }
854 break;
855
856 case SND_SOC_BIAS_STANDBY:
857 regmap_write(rt700->regmap,
858 RT700_SET_AUDIO_POWER_STATE,
859 AC_PWRST_D3);
860 break;
861
862 default:
863 break;
864 }
865 dapm->bias_level = level;
866 return 0;
867}
868
869static const struct snd_soc_component_driver soc_codec_dev_rt700 = {
870 .probe = rt700_probe,
871 .set_bias_level = rt700_set_bias_level,
872 .controls = rt700_snd_controls,
873 .num_controls = ARRAY_SIZE(rt700_snd_controls),
874 .dapm_widgets = rt700_dapm_widgets,
875 .num_dapm_widgets = ARRAY_SIZE(rt700_dapm_widgets),
876 .dapm_routes = rt700_audio_map,
877 .num_dapm_routes = ARRAY_SIZE(rt700_audio_map),
878 .set_jack = rt700_set_jack_detect,
879 .endianness = 1,
880};
881
882static int rt700_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream,
883 int direction)
884{
885 snd_soc_dai_dma_data_set(dai, direction, sdw_stream);
886
887 return 0;
888}
889
890static void rt700_shutdown(struct snd_pcm_substream *substream,
891 struct snd_soc_dai *dai)
892{
893 snd_soc_dai_set_dma_data(dai, substream, NULL);
894}
895
896static int rt700_pcm_hw_params(struct snd_pcm_substream *substream,
897 struct snd_pcm_hw_params *params,
898 struct snd_soc_dai *dai)
899{
900 struct snd_soc_component *component = dai->component;
901 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
902 struct sdw_stream_config stream_config = {0};
903 struct sdw_port_config port_config = {0};
904 struct sdw_stream_runtime *sdw_stream;
905 int retval;
906 unsigned int val = 0;
907
908 dev_dbg(dai->dev, "%s %s", __func__, dai->name);
909 sdw_stream = snd_soc_dai_get_dma_data(dai, substream);
910
911 if (!sdw_stream)
912 return -EINVAL;
913
914 if (!rt700->slave)
915 return -EINVAL;
916
917 /* SoundWire specific configuration */
918 snd_sdw_params_to_config(substream, params, &stream_config, &port_config);
919
920 /* This code assumes port 1 for playback and port 2 for capture */
921 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
922 port_config.num = 1;
923 else
924 port_config.num = 2;
925
926 switch (dai->id) {
927 case RT700_AIF1:
928 break;
929 case RT700_AIF2:
930 port_config.num += 2;
931 break;
932 default:
933 dev_err(component->dev, "%s: Invalid DAI id %d\n", __func__, dai->id);
934 return -EINVAL;
935 }
936
937 retval = sdw_stream_add_slave(rt700->slave, &stream_config,
938 &port_config, 1, sdw_stream);
939 if (retval) {
940 dev_err(dai->dev, "%s: Unable to configure port\n", __func__);
941 return retval;
942 }
943
944 if (params_channels(params) <= 16) {
945 /* bit 3:0 Number of Channel */
946 val |= (params_channels(params) - 1);
947 } else {
948 dev_err(component->dev, "%s: Unsupported channels %d\n",
949 __func__, params_channels(params));
950 return -EINVAL;
951 }
952
953 switch (params_width(params)) {
954 /* bit 6:4 Bits per Sample */
955 case 8:
956 break;
957 case 16:
958 val |= (0x1 << 4);
959 break;
960 case 20:
961 val |= (0x2 << 4);
962 break;
963 case 24:
964 val |= (0x3 << 4);
965 break;
966 case 32:
967 val |= (0x4 << 4);
968 break;
969 default:
970 return -EINVAL;
971 }
972
973 /* 48Khz */
974 regmap_write(rt700->regmap, RT700_DAC_FORMAT_H, val);
975 regmap_write(rt700->regmap, RT700_ADC_FORMAT_H, val);
976
977 return retval;
978}
979
980static int rt700_pcm_hw_free(struct snd_pcm_substream *substream,
981 struct snd_soc_dai *dai)
982{
983 struct snd_soc_component *component = dai->component;
984 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
985 struct sdw_stream_runtime *sdw_stream =
986 snd_soc_dai_get_dma_data(dai, substream);
987
988 if (!rt700->slave)
989 return -EINVAL;
990
991 sdw_stream_remove_slave(rt700->slave, sdw_stream);
992 return 0;
993}
994
995#define RT700_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
996#define RT700_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
997 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
998
999static const struct snd_soc_dai_ops rt700_ops = {
1000 .hw_params = rt700_pcm_hw_params,
1001 .hw_free = rt700_pcm_hw_free,
1002 .set_stream = rt700_set_sdw_stream,
1003 .shutdown = rt700_shutdown,
1004};
1005
1006static struct snd_soc_dai_driver rt700_dai[] = {
1007 {
1008 .name = "rt700-aif1",
1009 .id = RT700_AIF1,
1010 .playback = {
1011 .stream_name = "DP1 Playback",
1012 .channels_min = 1,
1013 .channels_max = 2,
1014 .rates = RT700_STEREO_RATES,
1015 .formats = RT700_FORMATS,
1016 },
1017 .capture = {
1018 .stream_name = "DP2 Capture",
1019 .channels_min = 1,
1020 .channels_max = 2,
1021 .rates = RT700_STEREO_RATES,
1022 .formats = RT700_FORMATS,
1023 },
1024 .ops = &rt700_ops,
1025 },
1026 {
1027 .name = "rt700-aif2",
1028 .id = RT700_AIF2,
1029 .playback = {
1030 .stream_name = "DP3 Playback",
1031 .channels_min = 1,
1032 .channels_max = 2,
1033 .rates = RT700_STEREO_RATES,
1034 .formats = RT700_FORMATS,
1035 },
1036 .capture = {
1037 .stream_name = "DP4 Capture",
1038 .channels_min = 1,
1039 .channels_max = 2,
1040 .rates = RT700_STEREO_RATES,
1041 .formats = RT700_FORMATS,
1042 },
1043 .ops = &rt700_ops,
1044 },
1045};
1046
1047/* Bus clock frequency */
1048#define RT700_CLK_FREQ_9600000HZ 9600000
1049#define RT700_CLK_FREQ_12000000HZ 12000000
1050#define RT700_CLK_FREQ_6000000HZ 6000000
1051#define RT700_CLK_FREQ_4800000HZ 4800000
1052#define RT700_CLK_FREQ_2400000HZ 2400000
1053#define RT700_CLK_FREQ_12288000HZ 12288000
1054
1055int rt700_clock_config(struct device *dev)
1056{
1057 struct rt700_priv *rt700 = dev_get_drvdata(dev);
1058 unsigned int clk_freq, value;
1059
1060 clk_freq = (rt700->params.curr_dr_freq >> 1);
1061
1062 switch (clk_freq) {
1063 case RT700_CLK_FREQ_12000000HZ:
1064 value = 0x0;
1065 break;
1066 case RT700_CLK_FREQ_6000000HZ:
1067 value = 0x1;
1068 break;
1069 case RT700_CLK_FREQ_9600000HZ:
1070 value = 0x2;
1071 break;
1072 case RT700_CLK_FREQ_4800000HZ:
1073 value = 0x3;
1074 break;
1075 case RT700_CLK_FREQ_2400000HZ:
1076 value = 0x4;
1077 break;
1078 case RT700_CLK_FREQ_12288000HZ:
1079 value = 0x5;
1080 break;
1081 default:
1082 return -EINVAL;
1083 }
1084
1085 regmap_write(rt700->regmap, 0xe0, value);
1086 regmap_write(rt700->regmap, 0xf0, value);
1087
1088 dev_dbg(dev, "%s complete, clk_freq=%d\n", __func__, clk_freq);
1089
1090 return 0;
1091}
1092
1093int rt700_init(struct device *dev, struct regmap *sdw_regmap,
1094 struct regmap *regmap, struct sdw_slave *slave)
1095
1096{
1097 struct rt700_priv *rt700;
1098 int ret;
1099
1100 rt700 = devm_kzalloc(dev, sizeof(*rt700), GFP_KERNEL);
1101 if (!rt700)
1102 return -ENOMEM;
1103
1104 dev_set_drvdata(dev, rt700);
1105 rt700->slave = slave;
1106 rt700->sdw_regmap = sdw_regmap;
1107 rt700->regmap = regmap;
1108
1109 regcache_cache_only(rt700->regmap, true);
1110
1111 mutex_init(&rt700->disable_irq_lock);
1112
1113 INIT_DELAYED_WORK(&rt700->jack_detect_work,
1114 rt700_jack_detect_handler);
1115 INIT_DELAYED_WORK(&rt700->jack_btn_check_work,
1116 rt700_btn_check_handler);
1117
1118 /*
1119 * Mark hw_init to false
1120 * HW init will be performed when device reports present
1121 */
1122 rt700->hw_init = false;
1123 rt700->first_hw_init = false;
1124
1125 ret = devm_snd_soc_register_component(dev,
1126 &soc_codec_dev_rt700,
1127 rt700_dai,
1128 ARRAY_SIZE(rt700_dai));
1129 if (ret < 0)
1130 return ret;
1131
1132 /* set autosuspend parameters */
1133 pm_runtime_set_autosuspend_delay(dev, 3000);
1134 pm_runtime_use_autosuspend(dev);
1135
1136 /* make sure the device does not suspend immediately */
1137 pm_runtime_mark_last_busy(dev);
1138
1139 pm_runtime_enable(dev);
1140
1141 /* important note: the device is NOT tagged as 'active' and will remain
1142 * 'suspended' until the hardware is enumerated/initialized. This is required
1143 * to make sure the ASoC framework use of pm_runtime_get_sync() does not silently
1144 * fail with -EACCESS because of race conditions between card creation and enumeration
1145 */
1146 dev_dbg(&slave->dev, "%s\n", __func__);
1147
1148 return 0;
1149}
1150
1151int rt700_io_init(struct device *dev, struct sdw_slave *slave)
1152{
1153 struct rt700_priv *rt700 = dev_get_drvdata(dev);
1154
1155 rt700->disable_irq = false;
1156
1157 if (rt700->hw_init)
1158 return 0;
1159
1160 regcache_cache_only(rt700->regmap, false);
1161 if (rt700->first_hw_init)
1162 regcache_cache_bypass(rt700->regmap, true);
1163
1164 /*
1165 * PM runtime is only enabled when a Slave reports as Attached
1166 */
1167 if (!rt700->first_hw_init)
1168 /* PM runtime status is marked as 'active' only when a Slave reports as Attached */
1169 pm_runtime_set_active(&slave->dev);
1170
1171 pm_runtime_get_noresume(&slave->dev);
1172
1173 /* reset */
1174 regmap_write(rt700->regmap, 0xff01, 0x0000);
1175 regmap_write(rt700->regmap, 0x7520, 0x001a);
1176 regmap_write(rt700->regmap, 0x7420, 0xc003);
1177
1178 /* power on */
1179 regmap_write(rt700->regmap, RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D0);
1180 /* Set Pin Widget */
1181 regmap_write(rt700->regmap, RT700_SET_PIN_HP, 0x40);
1182 regmap_write(rt700->regmap, RT700_SET_PIN_SPK, 0x40);
1183 regmap_write(rt700->regmap, RT700_SET_EAPD_SPK, RT700_EAPD_HIGH);
1184 regmap_write(rt700->regmap, RT700_SET_PIN_DMIC1, 0x20);
1185 regmap_write(rt700->regmap, RT700_SET_PIN_DMIC2, 0x20);
1186 regmap_write(rt700->regmap, RT700_SET_PIN_MIC2, 0x20);
1187
1188 /* Set Configuration Default */
1189 regmap_write(rt700->regmap, 0x4f12, 0x91);
1190 regmap_write(rt700->regmap, 0x4e12, 0xd6);
1191 regmap_write(rt700->regmap, 0x4d12, 0x11);
1192 regmap_write(rt700->regmap, 0x4c12, 0x20);
1193 regmap_write(rt700->regmap, 0x4f13, 0x91);
1194 regmap_write(rt700->regmap, 0x4e13, 0xd6);
1195 regmap_write(rt700->regmap, 0x4d13, 0x11);
1196 regmap_write(rt700->regmap, 0x4c13, 0x21);
1197
1198 regmap_write(rt700->regmap, 0x4f19, 0x02);
1199 regmap_write(rt700->regmap, 0x4e19, 0xa1);
1200 regmap_write(rt700->regmap, 0x4d19, 0x90);
1201 regmap_write(rt700->regmap, 0x4c19, 0x80);
1202
1203 /* Enable Line2 */
1204 regmap_write(rt700->regmap, 0x371b, 0x40);
1205 regmap_write(rt700->regmap, 0x731b, 0xb0);
1206 regmap_write(rt700->regmap, 0x839b, 0x00);
1207
1208 /* Set index */
1209 rt700_index_write(rt700->regmap, 0x4a, 0x201b);
1210 rt700_index_write(rt700->regmap, 0x45, 0x5089);
1211 rt700_index_write(rt700->regmap, 0x6b, 0x5064);
1212 rt700_index_write(rt700->regmap, 0x48, 0xd249);
1213
1214 /* Finish Initial Settings, set power to D3 */
1215 regmap_write(rt700->regmap, RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D3);
1216
1217 /*
1218 * if set_jack callback occurred early than io_init,
1219 * we set up the jack detection function now
1220 */
1221 if (rt700->hs_jack)
1222 rt700_jack_init(rt700);
1223
1224 if (rt700->first_hw_init) {
1225 regcache_cache_bypass(rt700->regmap, false);
1226 regcache_mark_dirty(rt700->regmap);
1227 } else
1228 rt700->first_hw_init = true;
1229
1230 /* Mark Slave initialization complete */
1231 rt700->hw_init = true;
1232
1233 pm_runtime_mark_last_busy(&slave->dev);
1234 pm_runtime_put_autosuspend(&slave->dev);
1235
1236 dev_dbg(&slave->dev, "%s hw_init complete\n", __func__);
1237
1238 return 0;
1239}
1240
1241MODULE_DESCRIPTION("ASoC RT700 driver SDW");
1242MODULE_AUTHOR("Shuming Fan <shumingf@realtek.com>");
1243MODULE_LICENSE("GPL v2");
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/soc.h>
23#include <sound/soc-dapm.h>
24#include <sound/initval.h>
25#include <sound/tlv.h>
26#include <sound/hda_verbs.h>
27#include <sound/jack.h>
28
29#include "rt700.h"
30
31static int rt700_index_write(struct regmap *regmap,
32 unsigned int reg, unsigned int value)
33{
34 int ret;
35 unsigned int addr = (RT700_PRIV_INDEX_W_H << 8) | reg;
36
37 ret = regmap_write(regmap, addr, value);
38 if (ret < 0)
39 pr_err("Failed to set private value: %06x <= %04x ret=%d\n",
40 addr, value, ret);
41
42 return ret;
43}
44
45static int rt700_index_read(struct regmap *regmap,
46 unsigned int reg, unsigned int *value)
47{
48 int ret;
49 unsigned int addr = (RT700_PRIV_INDEX_W_H << 8) | reg;
50
51 *value = 0;
52 ret = regmap_read(regmap, addr, value);
53 if (ret < 0)
54 pr_err("Failed to get private value: %06x => %04x ret=%d\n",
55 addr, *value, ret);
56
57 return ret;
58}
59
60static unsigned int rt700_button_detect(struct rt700_priv *rt700)
61{
62 unsigned int btn_type = 0, val80, val81;
63 int ret;
64
65 ret = rt700_index_read(rt700->regmap, RT700_IRQ_FLAG_TABLE1, &val80);
66 if (ret < 0)
67 goto read_error;
68 ret = rt700_index_read(rt700->regmap, RT700_IRQ_FLAG_TABLE2, &val81);
69 if (ret < 0)
70 goto read_error;
71
72 val80 &= 0x0381;
73 val81 &= 0xff00;
74
75 switch (val80) {
76 case 0x0200:
77 case 0x0100:
78 case 0x0080:
79 btn_type |= SND_JACK_BTN_0;
80 break;
81 case 0x0001:
82 btn_type |= SND_JACK_BTN_3;
83 break;
84 }
85 switch (val81) {
86 case 0x8000:
87 case 0x4000:
88 case 0x2000:
89 btn_type |= SND_JACK_BTN_1;
90 break;
91 case 0x1000:
92 case 0x0800:
93 case 0x0400:
94 btn_type |= SND_JACK_BTN_2;
95 break;
96 case 0x0200:
97 case 0x0100:
98 btn_type |= SND_JACK_BTN_3;
99 break;
100 }
101read_error:
102 return btn_type;
103}
104
105static int rt700_headset_detect(struct rt700_priv *rt700)
106{
107 unsigned int buf, loop = 0;
108 int ret;
109 unsigned int jack_status = 0, reg;
110
111 ret = rt700_index_read(rt700->regmap,
112 RT700_COMBO_JACK_AUTO_CTL2, &buf);
113 if (ret < 0)
114 goto io_error;
115
116 while (loop < 500 &&
117 (buf & RT700_COMBOJACK_AUTO_DET_STATUS) == 0) {
118 loop++;
119
120 usleep_range(9000, 10000);
121 ret = rt700_index_read(rt700->regmap,
122 RT700_COMBO_JACK_AUTO_CTL2, &buf);
123 if (ret < 0)
124 goto io_error;
125
126 reg = RT700_VERB_GET_PIN_SENSE | RT700_HP_OUT;
127 ret = regmap_read(rt700->regmap, reg, &jack_status);
128 if ((jack_status & (1 << 31)) == 0)
129 goto remove_error;
130 }
131
132 if (loop >= 500)
133 goto to_error;
134
135 if (buf & RT700_COMBOJACK_AUTO_DET_TRS)
136 rt700->jack_type = SND_JACK_HEADPHONE;
137 else if ((buf & RT700_COMBOJACK_AUTO_DET_CTIA) ||
138 (buf & RT700_COMBOJACK_AUTO_DET_OMTP))
139 rt700->jack_type = SND_JACK_HEADSET;
140
141 return 0;
142
143to_error:
144 ret = -ETIMEDOUT;
145 pr_err_ratelimited("Time-out error in %s\n", __func__);
146 return ret;
147io_error:
148 pr_err_ratelimited("IO error in %s, ret %d\n", __func__, ret);
149 return ret;
150remove_error:
151 pr_err_ratelimited("Jack removal in %s\n", __func__);
152 return -ENODEV;
153}
154
155static void rt700_jack_detect_handler(struct work_struct *work)
156{
157 struct rt700_priv *rt700 =
158 container_of(work, struct rt700_priv, jack_detect_work.work);
159 int btn_type = 0, ret;
160 unsigned int jack_status = 0, reg;
161
162 if (!rt700->hs_jack)
163 return;
164
165 if (!rt700->component->card->instantiated)
166 return;
167
168 reg = RT700_VERB_GET_PIN_SENSE | RT700_HP_OUT;
169 ret = regmap_read(rt700->regmap, reg, &jack_status);
170 if (ret < 0)
171 goto io_error;
172
173 /* pin attached */
174 if (jack_status & (1 << 31)) {
175 /* jack in */
176 if (rt700->jack_type == 0) {
177 ret = rt700_headset_detect(rt700);
178 if (ret < 0)
179 return;
180 if (rt700->jack_type == SND_JACK_HEADSET)
181 btn_type = rt700_button_detect(rt700);
182 } else if (rt700->jack_type == SND_JACK_HEADSET) {
183 /* jack is already in, report button event */
184 btn_type = rt700_button_detect(rt700);
185 }
186 } else {
187 /* jack out */
188 rt700->jack_type = 0;
189 }
190
191 dev_dbg(&rt700->slave->dev,
192 "in %s, jack_type=0x%x\n", __func__, rt700->jack_type);
193 dev_dbg(&rt700->slave->dev,
194 "in %s, btn_type=0x%x\n", __func__, btn_type);
195
196 snd_soc_jack_report(rt700->hs_jack, rt700->jack_type | btn_type,
197 SND_JACK_HEADSET |
198 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
199 SND_JACK_BTN_2 | SND_JACK_BTN_3);
200
201 if (btn_type) {
202 /* button released */
203 snd_soc_jack_report(rt700->hs_jack, rt700->jack_type,
204 SND_JACK_HEADSET |
205 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
206 SND_JACK_BTN_2 | SND_JACK_BTN_3);
207
208 mod_delayed_work(system_power_efficient_wq,
209 &rt700->jack_btn_check_work, msecs_to_jiffies(200));
210 }
211
212 return;
213
214io_error:
215 pr_err_ratelimited("IO error in %s, ret %d\n", __func__, ret);
216}
217
218static void rt700_btn_check_handler(struct work_struct *work)
219{
220 struct rt700_priv *rt700 = container_of(work, struct rt700_priv,
221 jack_btn_check_work.work);
222 int btn_type = 0, ret;
223 unsigned int jack_status = 0, reg;
224
225 reg = RT700_VERB_GET_PIN_SENSE | RT700_HP_OUT;
226 ret = regmap_read(rt700->regmap, reg, &jack_status);
227 if (ret < 0)
228 goto io_error;
229
230 /* pin attached */
231 if (jack_status & (1 << 31)) {
232 if (rt700->jack_type == SND_JACK_HEADSET) {
233 /* jack is already in, report button event */
234 btn_type = rt700_button_detect(rt700);
235 }
236 } else {
237 rt700->jack_type = 0;
238 }
239
240 /* cbj comparator */
241 ret = rt700_index_read(rt700->regmap, RT700_COMBO_JACK_AUTO_CTL2, ®);
242 if (ret < 0)
243 goto io_error;
244
245 if ((reg & 0xf0) == 0xf0)
246 btn_type = 0;
247
248 dev_dbg(&rt700->slave->dev,
249 "%s, btn_type=0x%x\n", __func__, btn_type);
250 snd_soc_jack_report(rt700->hs_jack, rt700->jack_type | btn_type,
251 SND_JACK_HEADSET |
252 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
253 SND_JACK_BTN_2 | SND_JACK_BTN_3);
254
255 if (btn_type) {
256 /* button released */
257 snd_soc_jack_report(rt700->hs_jack, rt700->jack_type,
258 SND_JACK_HEADSET |
259 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
260 SND_JACK_BTN_2 | SND_JACK_BTN_3);
261
262 mod_delayed_work(system_power_efficient_wq,
263 &rt700->jack_btn_check_work, msecs_to_jiffies(200));
264 }
265
266 return;
267
268io_error:
269 pr_err_ratelimited("IO error in %s, ret %d\n", __func__, ret);
270}
271
272static void rt700_jack_init(struct rt700_priv *rt700)
273{
274 struct snd_soc_dapm_context *dapm =
275 snd_soc_component_get_dapm(rt700->component);
276
277 /* power on */
278 if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)
279 regmap_write(rt700->regmap,
280 RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D0);
281
282 if (rt700->hs_jack) {
283 /* Enable Jack Detection */
284 regmap_write(rt700->regmap,
285 RT700_SET_MIC2_UNSOLICITED_ENABLE, 0x82);
286 regmap_write(rt700->regmap,
287 RT700_SET_HP_UNSOLICITED_ENABLE, 0x81);
288 regmap_write(rt700->regmap,
289 RT700_SET_INLINE_UNSOLICITED_ENABLE, 0x83);
290 rt700_index_write(rt700->regmap, 0x10, 0x2420);
291 rt700_index_write(rt700->regmap, 0x19, 0x2e11);
292
293 dev_dbg(&rt700->slave->dev, "in %s enable\n", __func__);
294
295 mod_delayed_work(system_power_efficient_wq,
296 &rt700->jack_detect_work, msecs_to_jiffies(250));
297 } else {
298 regmap_write(rt700->regmap,
299 RT700_SET_MIC2_UNSOLICITED_ENABLE, 0x00);
300 regmap_write(rt700->regmap,
301 RT700_SET_HP_UNSOLICITED_ENABLE, 0x00);
302 regmap_write(rt700->regmap,
303 RT700_SET_INLINE_UNSOLICITED_ENABLE, 0x00);
304
305 dev_dbg(&rt700->slave->dev, "in %s disable\n", __func__);
306 }
307
308 /* power off */
309 if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)
310 regmap_write(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(component);
318
319 rt700->hs_jack = hs_jack;
320
321 if (!rt700->hw_init) {
322 dev_dbg(&rt700->slave->dev,
323 "%s hw_init not ready yet\n", __func__);
324 return 0;
325 }
326
327 rt700_jack_init(rt700);
328
329 return 0;
330}
331
332static void rt700_get_gain(struct rt700_priv *rt700, unsigned int addr_h,
333 unsigned int addr_l, unsigned int val_h,
334 unsigned int *r_val, unsigned int *l_val)
335{
336 /* R Channel */
337 *r_val = (val_h << 8);
338 regmap_read(rt700->regmap, addr_l, r_val);
339
340 /* L Channel */
341 val_h |= 0x20;
342 *l_val = (val_h << 8);
343 regmap_read(rt700->regmap, addr_h, l_val);
344}
345
346/* For Verb-Set Amplifier Gain (Verb ID = 3h) */
347static int rt700_set_amp_gain_put(struct snd_kcontrol *kcontrol,
348 struct snd_ctl_elem_value *ucontrol)
349{
350 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
351 struct snd_soc_dapm_context *dapm =
352 snd_soc_component_get_dapm(component);
353 struct soc_mixer_control *mc =
354 (struct soc_mixer_control *)kcontrol->private_value;
355 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
356 unsigned int addr_h, addr_l, val_h, val_ll, val_lr;
357 unsigned int read_ll, read_rl;
358 int i;
359
360 /* Can't use update bit function, so read the original value first */
361 addr_h = mc->reg;
362 addr_l = mc->rreg;
363 if (mc->shift == RT700_DIR_OUT_SFT) /* output */
364 val_h = 0x80;
365 else /* input */
366 val_h = 0x0;
367
368 rt700_get_gain(rt700, addr_h, addr_l, val_h, &read_rl, &read_ll);
369
370 /* L Channel */
371 if (mc->invert) {
372 /* for mute */
373 val_ll = (mc->max - ucontrol->value.integer.value[0]) << 7;
374 /* keep gain */
375 read_ll = read_ll & 0x7f;
376 val_ll |= read_ll;
377 } else {
378 /* for gain */
379 val_ll = ((ucontrol->value.integer.value[0]) & 0x7f);
380 if (val_ll > mc->max)
381 val_ll = mc->max;
382 /* keep mute status */
383 read_ll = read_ll & 0x80;
384 val_ll |= read_ll;
385 }
386
387 if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)
388 regmap_write(rt700->regmap,
389 RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D0);
390
391 /* R Channel */
392 if (mc->invert) {
393 /* for mute */
394 val_lr = (mc->max - ucontrol->value.integer.value[1]) << 7;
395 /* keep gain */
396 read_rl = read_rl & 0x7f;
397 val_lr |= read_rl;
398 } else {
399 /* for gain */
400 val_lr = ((ucontrol->value.integer.value[1]) & 0x7f);
401 if (val_lr > mc->max)
402 val_lr = mc->max;
403 /* keep mute status */
404 read_rl = read_rl & 0x80;
405 val_lr |= read_rl;
406 }
407
408 for (i = 0; i < 3; i++) { /* retry 3 times at most */
409 if (val_ll == val_lr) {
410 /* Set both L/R channels at the same time */
411 val_h = (1 << mc->shift) | (3 << 4);
412 regmap_write(rt700->regmap,
413 addr_h, (val_h << 8 | val_ll));
414 regmap_write(rt700->regmap,
415 addr_l, (val_h << 8 | val_ll));
416 } else {
417 /* Lch*/
418 val_h = (1 << mc->shift) | (1 << 5);
419 regmap_write(rt700->regmap,
420 addr_h, (val_h << 8 | val_ll));
421
422 /* Rch */
423 val_h = (1 << mc->shift) | (1 << 4);
424 regmap_write(rt700->regmap,
425 addr_l, (val_h << 8 | val_lr));
426 }
427 /* check result */
428 if (mc->shift == RT700_DIR_OUT_SFT) /* output */
429 val_h = 0x80;
430 else /* input */
431 val_h = 0x0;
432
433 rt700_get_gain(rt700, addr_h, addr_l, val_h,
434 &read_rl, &read_ll);
435 if (read_rl == val_lr && read_ll == val_ll)
436 break;
437 }
438
439 if (dapm->bias_level <= SND_SOC_BIAS_STANDBY)
440 regmap_write(rt700->regmap,
441 RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D3);
442 return 0;
443}
444
445static int rt700_set_amp_gain_get(struct snd_kcontrol *kcontrol,
446 struct snd_ctl_elem_value *ucontrol)
447{
448 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
449 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
450 struct soc_mixer_control *mc =
451 (struct soc_mixer_control *)kcontrol->private_value;
452 unsigned int addr_h, addr_l, val_h;
453 unsigned int read_ll, read_rl;
454
455 addr_h = mc->reg;
456 addr_l = mc->rreg;
457 if (mc->shift == RT700_DIR_OUT_SFT) /* output */
458 val_h = 0x80;
459 else /* input */
460 val_h = 0x0;
461
462 rt700_get_gain(rt700, addr_h, addr_l, val_h, &read_rl, &read_ll);
463
464 if (mc->invert) {
465 /* for mute status */
466 read_ll = !((read_ll & 0x80) >> RT700_MUTE_SFT);
467 read_rl = !((read_rl & 0x80) >> RT700_MUTE_SFT);
468 } else {
469 /* for gain */
470 read_ll = read_ll & 0x7f;
471 read_rl = read_rl & 0x7f;
472 }
473 ucontrol->value.integer.value[0] = read_ll;
474 ucontrol->value.integer.value[1] = read_rl;
475
476 return 0;
477}
478
479static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6525, 75, 0);
480static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -1725, 75, 0);
481static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
482
483static const struct snd_kcontrol_new rt700_snd_controls[] = {
484 SOC_DOUBLE_R_EXT_TLV("DAC Front Playback Volume",
485 RT700_SET_GAIN_DAC1_H, RT700_SET_GAIN_DAC1_L,
486 RT700_DIR_OUT_SFT, 0x57, 0,
487 rt700_set_amp_gain_get, rt700_set_amp_gain_put, out_vol_tlv),
488 SOC_DOUBLE_R_EXT("ADC 08 Capture Switch",
489 RT700_SET_GAIN_ADC2_H, RT700_SET_GAIN_ADC2_L,
490 RT700_DIR_IN_SFT, 1, 1,
491 rt700_set_amp_gain_get, rt700_set_amp_gain_put),
492 SOC_DOUBLE_R_EXT("ADC 09 Capture Switch",
493 RT700_SET_GAIN_ADC1_H, RT700_SET_GAIN_ADC1_L,
494 RT700_DIR_IN_SFT, 1, 1,
495 rt700_set_amp_gain_get, rt700_set_amp_gain_put),
496 SOC_DOUBLE_R_EXT_TLV("ADC 08 Capture Volume",
497 RT700_SET_GAIN_ADC2_H, RT700_SET_GAIN_ADC2_L,
498 RT700_DIR_IN_SFT, 0x3f, 0,
499 rt700_set_amp_gain_get, rt700_set_amp_gain_put, in_vol_tlv),
500 SOC_DOUBLE_R_EXT_TLV("ADC 09 Capture Volume",
501 RT700_SET_GAIN_ADC1_H, RT700_SET_GAIN_ADC1_L,
502 RT700_DIR_IN_SFT, 0x3f, 0,
503 rt700_set_amp_gain_get, rt700_set_amp_gain_put, in_vol_tlv),
504 SOC_DOUBLE_R_EXT_TLV("AMIC Volume",
505 RT700_SET_GAIN_AMIC_H, RT700_SET_GAIN_AMIC_L,
506 RT700_DIR_IN_SFT, 3, 0,
507 rt700_set_amp_gain_get, rt700_set_amp_gain_put, mic_vol_tlv),
508};
509
510static int rt700_mux_get(struct snd_kcontrol *kcontrol,
511 struct snd_ctl_elem_value *ucontrol)
512{
513 struct snd_soc_component *component =
514 snd_soc_dapm_kcontrol_component(kcontrol);
515 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
516 unsigned int reg, val = 0, nid;
517 int ret;
518
519 if (strstr(ucontrol->id.name, "HPO Mux"))
520 nid = RT700_HP_OUT;
521 else if (strstr(ucontrol->id.name, "ADC 22 Mux"))
522 nid = RT700_MIXER_IN1;
523 else if (strstr(ucontrol->id.name, "ADC 23 Mux"))
524 nid = RT700_MIXER_IN2;
525 else
526 return -EINVAL;
527
528 /* vid = 0xf01 */
529 reg = RT700_VERB_SET_CONNECT_SEL | nid;
530 ret = regmap_read(rt700->regmap, reg, &val);
531 if (ret < 0)
532 return ret;
533
534 ucontrol->value.enumerated.item[0] = val;
535
536 return 0;
537}
538
539static int rt700_mux_put(struct snd_kcontrol *kcontrol,
540 struct snd_ctl_elem_value *ucontrol)
541{
542 struct snd_soc_component *component =
543 snd_soc_dapm_kcontrol_component(kcontrol);
544 struct snd_soc_dapm_context *dapm =
545 snd_soc_dapm_kcontrol_dapm(kcontrol);
546 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
547 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
548 unsigned int *item = ucontrol->value.enumerated.item;
549 unsigned int val, val2 = 0, change, reg, nid;
550 int ret;
551
552 if (item[0] >= e->items)
553 return -EINVAL;
554
555 if (strstr(ucontrol->id.name, "HPO Mux"))
556 nid = RT700_HP_OUT;
557 else if (strstr(ucontrol->id.name, "ADC 22 Mux"))
558 nid = RT700_MIXER_IN1;
559 else if (strstr(ucontrol->id.name, "ADC 23 Mux"))
560 nid = RT700_MIXER_IN2;
561 else
562 return -EINVAL;
563
564 /* Verb ID = 0x701h */
565 val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l;
566
567 reg = RT700_VERB_SET_CONNECT_SEL | nid;
568 ret = regmap_read(rt700->regmap, reg, &val2);
569 if (ret < 0)
570 return ret;
571
572 if (val == val2)
573 change = 0;
574 else
575 change = 1;
576
577 if (change) {
578 reg = RT700_VERB_SET_CONNECT_SEL | nid;
579 regmap_write(rt700->regmap, reg, val);
580 }
581
582 snd_soc_dapm_mux_update_power(dapm, kcontrol,
583 item[0], e, NULL);
584
585 return change;
586}
587
588static const char * const adc_mux_text[] = {
589 "MIC2",
590 "LINE1",
591 "LINE2",
592 "DMIC",
593};
594
595static SOC_ENUM_SINGLE_DECL(
596 rt700_adc22_enum, SND_SOC_NOPM, 0, adc_mux_text);
597
598static SOC_ENUM_SINGLE_DECL(
599 rt700_adc23_enum, SND_SOC_NOPM, 0, adc_mux_text);
600
601static const struct snd_kcontrol_new rt700_adc22_mux =
602 SOC_DAPM_ENUM_EXT("ADC 22 Mux", rt700_adc22_enum,
603 rt700_mux_get, rt700_mux_put);
604
605static const struct snd_kcontrol_new rt700_adc23_mux =
606 SOC_DAPM_ENUM_EXT("ADC 23 Mux", rt700_adc23_enum,
607 rt700_mux_get, rt700_mux_put);
608
609static const char * const out_mux_text[] = {
610 "Front",
611 "Surround",
612};
613
614static SOC_ENUM_SINGLE_DECL(
615 rt700_hp_enum, SND_SOC_NOPM, 0, out_mux_text);
616
617static const struct snd_kcontrol_new rt700_hp_mux =
618 SOC_DAPM_ENUM_EXT("HP Mux", rt700_hp_enum,
619 rt700_mux_get, rt700_mux_put);
620
621static int rt700_dac_front_event(struct snd_soc_dapm_widget *w,
622 struct snd_kcontrol *kcontrol, int event)
623{
624 struct snd_soc_component *component =
625 snd_soc_dapm_to_component(w->dapm);
626 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
627
628 switch (event) {
629 case SND_SOC_DAPM_POST_PMU:
630 regmap_write(rt700->regmap,
631 RT700_SET_STREAMID_DAC1, 0x10);
632 break;
633 case SND_SOC_DAPM_PRE_PMD:
634 regmap_write(rt700->regmap,
635 RT700_SET_STREAMID_DAC1, 0x00);
636 break;
637 }
638 return 0;
639}
640
641static int rt700_dac_surround_event(struct snd_soc_dapm_widget *w,
642 struct snd_kcontrol *kcontrol, int event)
643{
644 struct snd_soc_component *component =
645 snd_soc_dapm_to_component(w->dapm);
646 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
647
648 switch (event) {
649 case SND_SOC_DAPM_POST_PMU:
650 regmap_write(rt700->regmap,
651 RT700_SET_STREAMID_DAC2, 0x10);
652 break;
653 case SND_SOC_DAPM_PRE_PMD:
654 regmap_write(rt700->regmap,
655 RT700_SET_STREAMID_DAC2, 0x00);
656 break;
657 }
658 return 0;
659}
660
661static int rt700_adc_09_event(struct snd_soc_dapm_widget *w,
662 struct snd_kcontrol *kcontrol, int event)
663{
664 struct snd_soc_component *component =
665 snd_soc_dapm_to_component(w->dapm);
666 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
667
668 switch (event) {
669 case SND_SOC_DAPM_POST_PMU:
670 regmap_write(rt700->regmap,
671 RT700_SET_STREAMID_ADC1, 0x10);
672 break;
673 case SND_SOC_DAPM_PRE_PMD:
674 regmap_write(rt700->regmap,
675 RT700_SET_STREAMID_ADC1, 0x00);
676 break;
677 }
678 return 0;
679}
680
681static int rt700_adc_08_event(struct snd_soc_dapm_widget *w,
682 struct snd_kcontrol *kcontrol, int event)
683{
684 struct snd_soc_component *component =
685 snd_soc_dapm_to_component(w->dapm);
686 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
687
688 switch (event) {
689 case SND_SOC_DAPM_POST_PMU:
690 regmap_write(rt700->regmap,
691 RT700_SET_STREAMID_ADC2, 0x10);
692 break;
693 case SND_SOC_DAPM_PRE_PMD:
694 regmap_write(rt700->regmap,
695 RT700_SET_STREAMID_ADC2, 0x00);
696 break;
697 }
698 return 0;
699}
700
701static int rt700_hpo_mux_event(struct snd_soc_dapm_widget *w,
702 struct snd_kcontrol *kcontrol, int event)
703{
704 struct snd_soc_component *component =
705 snd_soc_dapm_to_component(w->dapm);
706 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
707 unsigned int val_h = (1 << RT700_DIR_OUT_SFT) | (0x3 << 4);
708 unsigned int val_l;
709
710 switch (event) {
711 case SND_SOC_DAPM_POST_PMU:
712 val_l = 0x00;
713 regmap_write(rt700->regmap,
714 RT700_SET_GAIN_HP_H, (val_h << 8 | val_l));
715 break;
716 case SND_SOC_DAPM_PRE_PMD:
717 val_l = (1 << RT700_MUTE_SFT);
718 regmap_write(rt700->regmap,
719 RT700_SET_GAIN_HP_H, (val_h << 8 | val_l));
720 usleep_range(50000, 55000);
721 break;
722 }
723 return 0;
724}
725
726static int rt700_spk_pga_event(struct snd_soc_dapm_widget *w,
727 struct snd_kcontrol *kcontrol, int event)
728{
729 struct snd_soc_component *component =
730 snd_soc_dapm_to_component(w->dapm);
731 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
732 unsigned int val_h = (1 << RT700_DIR_OUT_SFT) | (0x3 << 4);
733 unsigned int val_l;
734
735 switch (event) {
736 case SND_SOC_DAPM_POST_PMU:
737 val_l = 0x00;
738 regmap_write(rt700->regmap,
739 RT700_SET_GAIN_SPK_H, (val_h << 8 | val_l));
740 break;
741 case SND_SOC_DAPM_PRE_PMD:
742 val_l = (1 << RT700_MUTE_SFT);
743 regmap_write(rt700->regmap,
744 RT700_SET_GAIN_SPK_H, (val_h << 8 | val_l));
745 break;
746 }
747 return 0;
748}
749
750static const struct snd_soc_dapm_widget rt700_dapm_widgets[] = {
751 SND_SOC_DAPM_OUTPUT("HP"),
752 SND_SOC_DAPM_OUTPUT("SPK"),
753 SND_SOC_DAPM_INPUT("DMIC1"),
754 SND_SOC_DAPM_INPUT("DMIC2"),
755 SND_SOC_DAPM_INPUT("MIC2"),
756 SND_SOC_DAPM_INPUT("LINE1"),
757 SND_SOC_DAPM_INPUT("LINE2"),
758 SND_SOC_DAPM_DAC_E("DAC Front", NULL, SND_SOC_NOPM, 0, 0,
759 rt700_dac_front_event,
760 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
761 SND_SOC_DAPM_DAC_E("DAC Surround", NULL, SND_SOC_NOPM, 0, 0,
762 rt700_dac_surround_event,
763 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
764 SND_SOC_DAPM_MUX_E("HPO Mux", SND_SOC_NOPM, 0, 0, &rt700_hp_mux,
765 rt700_hpo_mux_event,
766 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
767 SND_SOC_DAPM_PGA_E("SPK PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
768 rt700_spk_pga_event,
769 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
770 SND_SOC_DAPM_ADC_E("ADC 09", NULL, SND_SOC_NOPM, 0, 0,
771 rt700_adc_09_event,
772 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
773 SND_SOC_DAPM_ADC_E("ADC 08", NULL, SND_SOC_NOPM, 0, 0,
774 rt700_adc_08_event,
775 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
776 SND_SOC_DAPM_MUX("ADC 22 Mux", SND_SOC_NOPM, 0, 0,
777 &rt700_adc22_mux),
778 SND_SOC_DAPM_MUX("ADC 23 Mux", SND_SOC_NOPM, 0, 0,
779 &rt700_adc23_mux),
780 SND_SOC_DAPM_AIF_IN("DP1RX", "DP1 Playback", 0, SND_SOC_NOPM, 0, 0),
781 SND_SOC_DAPM_AIF_IN("DP3RX", "DP3 Playback", 0, SND_SOC_NOPM, 0, 0),
782 SND_SOC_DAPM_AIF_OUT("DP2TX", "DP2 Capture", 0, SND_SOC_NOPM, 0, 0),
783 SND_SOC_DAPM_AIF_OUT("DP4TX", "DP4 Capture", 0, SND_SOC_NOPM, 0, 0),
784};
785
786static const struct snd_soc_dapm_route rt700_audio_map[] = {
787 {"DAC Front", NULL, "DP1RX"},
788 {"DAC Surround", NULL, "DP3RX"},
789 {"DP2TX", NULL, "ADC 09"},
790 {"DP4TX", NULL, "ADC 08"},
791 {"ADC 09", NULL, "ADC 22 Mux"},
792 {"ADC 08", NULL, "ADC 23 Mux"},
793 {"ADC 22 Mux", "DMIC", "DMIC1"},
794 {"ADC 22 Mux", "LINE1", "LINE1"},
795 {"ADC 22 Mux", "LINE2", "LINE2"},
796 {"ADC 22 Mux", "MIC2", "MIC2"},
797 {"ADC 23 Mux", "DMIC", "DMIC2"},
798 {"ADC 23 Mux", "LINE1", "LINE1"},
799 {"ADC 23 Mux", "LINE2", "LINE2"},
800 {"ADC 23 Mux", "MIC2", "MIC2"},
801 {"HPO Mux", "Front", "DAC Front"},
802 {"HPO Mux", "Surround", "DAC Surround"},
803 {"HP", NULL, "HPO Mux"},
804 {"SPK PGA", NULL, "DAC Front"},
805 {"SPK", NULL, "SPK PGA"},
806};
807
808static int rt700_probe(struct snd_soc_component *component)
809{
810 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
811
812 rt700->component = component;
813
814 return 0;
815}
816
817static int rt700_set_bias_level(struct snd_soc_component *component,
818 enum snd_soc_bias_level level)
819{
820 struct snd_soc_dapm_context *dapm =
821 snd_soc_component_get_dapm(component);
822 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
823
824 switch (level) {
825 case SND_SOC_BIAS_PREPARE:
826 if (dapm->bias_level == SND_SOC_BIAS_STANDBY) {
827 regmap_write(rt700->regmap,
828 RT700_SET_AUDIO_POWER_STATE,
829 AC_PWRST_D0);
830 }
831 break;
832
833 case SND_SOC_BIAS_STANDBY:
834 regmap_write(rt700->regmap,
835 RT700_SET_AUDIO_POWER_STATE,
836 AC_PWRST_D3);
837 break;
838
839 default:
840 break;
841 }
842 dapm->bias_level = level;
843 return 0;
844}
845
846static const struct snd_soc_component_driver soc_codec_dev_rt700 = {
847 .probe = rt700_probe,
848 .set_bias_level = rt700_set_bias_level,
849 .controls = rt700_snd_controls,
850 .num_controls = ARRAY_SIZE(rt700_snd_controls),
851 .dapm_widgets = rt700_dapm_widgets,
852 .num_dapm_widgets = ARRAY_SIZE(rt700_dapm_widgets),
853 .dapm_routes = rt700_audio_map,
854 .num_dapm_routes = ARRAY_SIZE(rt700_audio_map),
855 .set_jack = rt700_set_jack_detect,
856};
857
858static int rt700_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream,
859 int direction)
860{
861 struct sdw_stream_data *stream;
862
863 if (!sdw_stream)
864 return 0;
865
866 stream = kzalloc(sizeof(*stream), GFP_KERNEL);
867 if (!stream)
868 return -ENOMEM;
869
870 stream->sdw_stream = sdw_stream;
871
872 /* Use tx_mask or rx_mask to configure stream tag and set dma_data */
873 if (direction == SNDRV_PCM_STREAM_PLAYBACK)
874 dai->playback_dma_data = stream;
875 else
876 dai->capture_dma_data = stream;
877
878 return 0;
879}
880
881static void rt700_shutdown(struct snd_pcm_substream *substream,
882 struct snd_soc_dai *dai)
883{
884 struct sdw_stream_data *stream;
885
886 stream = snd_soc_dai_get_dma_data(dai, substream);
887 snd_soc_dai_set_dma_data(dai, substream, NULL);
888 kfree(stream);
889}
890
891static int rt700_pcm_hw_params(struct snd_pcm_substream *substream,
892 struct snd_pcm_hw_params *params,
893 struct snd_soc_dai *dai)
894{
895 struct snd_soc_component *component = dai->component;
896 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
897 struct sdw_stream_config stream_config;
898 struct sdw_port_config port_config;
899 enum sdw_data_direction direction;
900 struct sdw_stream_data *stream;
901 int retval, port, num_channels;
902 unsigned int val = 0;
903
904 dev_dbg(dai->dev, "%s %s", __func__, dai->name);
905 stream = snd_soc_dai_get_dma_data(dai, substream);
906
907 if (!stream)
908 return -EINVAL;
909
910 if (!rt700->slave)
911 return -EINVAL;
912
913 /* SoundWire specific configuration */
914 /* This code assumes port 1 for playback and port 2 for capture */
915 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
916 direction = SDW_DATA_DIR_RX;
917 port = 1;
918 } else {
919 direction = SDW_DATA_DIR_TX;
920 port = 2;
921 }
922
923 switch (dai->id) {
924 case RT700_AIF1:
925 break;
926 case RT700_AIF2:
927 port += 2;
928 break;
929 default:
930 dev_err(component->dev, "Invalid DAI id %d\n", dai->id);
931 return -EINVAL;
932 }
933
934 stream_config.frame_rate = params_rate(params);
935 stream_config.ch_count = params_channels(params);
936 stream_config.bps = snd_pcm_format_width(params_format(params));
937 stream_config.direction = direction;
938
939 num_channels = params_channels(params);
940 port_config.ch_mask = (1 << (num_channels)) - 1;
941 port_config.num = port;
942
943 retval = sdw_stream_add_slave(rt700->slave, &stream_config,
944 &port_config, 1, stream->sdw_stream);
945 if (retval) {
946 dev_err(dai->dev, "Unable to configure port\n");
947 return retval;
948 }
949
950 if (params_channels(params) <= 16) {
951 /* bit 3:0 Number of Channel */
952 val |= (params_channels(params) - 1);
953 } else {
954 dev_err(component->dev, "Unsupported channels %d\n",
955 params_channels(params));
956 return -EINVAL;
957 }
958
959 switch (params_width(params)) {
960 /* bit 6:4 Bits per Sample */
961 case 8:
962 break;
963 case 16:
964 val |= (0x1 << 4);
965 break;
966 case 20:
967 val |= (0x2 << 4);
968 break;
969 case 24:
970 val |= (0x3 << 4);
971 break;
972 case 32:
973 val |= (0x4 << 4);
974 break;
975 default:
976 return -EINVAL;
977 }
978
979 /* 48Khz */
980 regmap_write(rt700->regmap, RT700_DAC_FORMAT_H, val);
981 regmap_write(rt700->regmap, RT700_ADC_FORMAT_H, val);
982
983 return retval;
984}
985
986static int rt700_pcm_hw_free(struct snd_pcm_substream *substream,
987 struct snd_soc_dai *dai)
988{
989 struct snd_soc_component *component = dai->component;
990 struct rt700_priv *rt700 = snd_soc_component_get_drvdata(component);
991 struct sdw_stream_data *stream =
992 snd_soc_dai_get_dma_data(dai, substream);
993
994 if (!rt700->slave)
995 return -EINVAL;
996
997 sdw_stream_remove_slave(rt700->slave, stream->sdw_stream);
998 return 0;
999}
1000
1001#define RT700_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
1002#define RT700_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1003 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
1004
1005static const struct snd_soc_dai_ops rt700_ops = {
1006 .hw_params = rt700_pcm_hw_params,
1007 .hw_free = rt700_pcm_hw_free,
1008 .set_sdw_stream = rt700_set_sdw_stream,
1009 .shutdown = rt700_shutdown,
1010};
1011
1012static struct snd_soc_dai_driver rt700_dai[] = {
1013 {
1014 .name = "rt700-aif1",
1015 .id = RT700_AIF1,
1016 .playback = {
1017 .stream_name = "DP1 Playback",
1018 .channels_min = 1,
1019 .channels_max = 2,
1020 .rates = RT700_STEREO_RATES,
1021 .formats = RT700_FORMATS,
1022 },
1023 .capture = {
1024 .stream_name = "DP2 Capture",
1025 .channels_min = 1,
1026 .channels_max = 2,
1027 .rates = RT700_STEREO_RATES,
1028 .formats = RT700_FORMATS,
1029 },
1030 .ops = &rt700_ops,
1031 },
1032 {
1033 .name = "rt700-aif2",
1034 .id = RT700_AIF2,
1035 .playback = {
1036 .stream_name = "DP3 Playback",
1037 .channels_min = 1,
1038 .channels_max = 2,
1039 .rates = RT700_STEREO_RATES,
1040 .formats = RT700_FORMATS,
1041 },
1042 .capture = {
1043 .stream_name = "DP4 Capture",
1044 .channels_min = 1,
1045 .channels_max = 2,
1046 .rates = RT700_STEREO_RATES,
1047 .formats = RT700_FORMATS,
1048 },
1049 .ops = &rt700_ops,
1050 },
1051};
1052
1053/* Bus clock frequency */
1054#define RT700_CLK_FREQ_9600000HZ 9600000
1055#define RT700_CLK_FREQ_12000000HZ 12000000
1056#define RT700_CLK_FREQ_6000000HZ 6000000
1057#define RT700_CLK_FREQ_4800000HZ 4800000
1058#define RT700_CLK_FREQ_2400000HZ 2400000
1059#define RT700_CLK_FREQ_12288000HZ 12288000
1060
1061int rt700_clock_config(struct device *dev)
1062{
1063 struct rt700_priv *rt700 = dev_get_drvdata(dev);
1064 unsigned int clk_freq, value;
1065
1066 clk_freq = (rt700->params.curr_dr_freq >> 1);
1067
1068 switch (clk_freq) {
1069 case RT700_CLK_FREQ_12000000HZ:
1070 value = 0x0;
1071 break;
1072 case RT700_CLK_FREQ_6000000HZ:
1073 value = 0x1;
1074 break;
1075 case RT700_CLK_FREQ_9600000HZ:
1076 value = 0x2;
1077 break;
1078 case RT700_CLK_FREQ_4800000HZ:
1079 value = 0x3;
1080 break;
1081 case RT700_CLK_FREQ_2400000HZ:
1082 value = 0x4;
1083 break;
1084 case RT700_CLK_FREQ_12288000HZ:
1085 value = 0x5;
1086 break;
1087 default:
1088 return -EINVAL;
1089 }
1090
1091 regmap_write(rt700->regmap, 0xe0, value);
1092 regmap_write(rt700->regmap, 0xf0, value);
1093
1094 dev_dbg(dev, "%s complete, clk_freq=%d\n", __func__, clk_freq);
1095
1096 return 0;
1097}
1098
1099int rt700_init(struct device *dev, struct regmap *sdw_regmap,
1100 struct regmap *regmap, struct sdw_slave *slave)
1101
1102{
1103 struct rt700_priv *rt700;
1104 int ret;
1105
1106 rt700 = devm_kzalloc(dev, sizeof(*rt700), GFP_KERNEL);
1107 if (!rt700)
1108 return -ENOMEM;
1109
1110 dev_set_drvdata(dev, rt700);
1111 rt700->slave = slave;
1112 rt700->sdw_regmap = sdw_regmap;
1113 rt700->regmap = regmap;
1114
1115 mutex_init(&rt700->disable_irq_lock);
1116
1117 /*
1118 * Mark hw_init to false
1119 * HW init will be performed when device reports present
1120 */
1121 rt700->hw_init = false;
1122 rt700->first_hw_init = false;
1123
1124 ret = devm_snd_soc_register_component(dev,
1125 &soc_codec_dev_rt700,
1126 rt700_dai,
1127 ARRAY_SIZE(rt700_dai));
1128
1129 dev_dbg(&slave->dev, "%s\n", __func__);
1130
1131 return ret;
1132}
1133
1134int rt700_io_init(struct device *dev, struct sdw_slave *slave)
1135{
1136 struct rt700_priv *rt700 = dev_get_drvdata(dev);
1137
1138 rt700->disable_irq = false;
1139
1140 if (rt700->hw_init)
1141 return 0;
1142
1143 if (rt700->first_hw_init) {
1144 regcache_cache_only(rt700->regmap, false);
1145 regcache_cache_bypass(rt700->regmap, true);
1146 }
1147
1148 /*
1149 * PM runtime is only enabled when a Slave reports as Attached
1150 */
1151 if (!rt700->first_hw_init) {
1152 /* set autosuspend parameters */
1153 pm_runtime_set_autosuspend_delay(&slave->dev, 3000);
1154 pm_runtime_use_autosuspend(&slave->dev);
1155
1156 /* update count of parent 'active' children */
1157 pm_runtime_set_active(&slave->dev);
1158
1159 /* make sure the device does not suspend immediately */
1160 pm_runtime_mark_last_busy(&slave->dev);
1161
1162 pm_runtime_enable(&slave->dev);
1163 }
1164
1165 pm_runtime_get_noresume(&slave->dev);
1166
1167 /* reset */
1168 regmap_write(rt700->regmap, 0xff01, 0x0000);
1169 regmap_write(rt700->regmap, 0x7520, 0x001a);
1170 regmap_write(rt700->regmap, 0x7420, 0xc003);
1171
1172 /* power on */
1173 regmap_write(rt700->regmap, RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D0);
1174 /* Set Pin Widget */
1175 regmap_write(rt700->regmap, RT700_SET_PIN_HP, 0x40);
1176 regmap_write(rt700->regmap, RT700_SET_PIN_SPK, 0x40);
1177 regmap_write(rt700->regmap, RT700_SET_EAPD_SPK, RT700_EAPD_HIGH);
1178 regmap_write(rt700->regmap, RT700_SET_PIN_DMIC1, 0x20);
1179 regmap_write(rt700->regmap, RT700_SET_PIN_DMIC2, 0x20);
1180 regmap_write(rt700->regmap, RT700_SET_PIN_MIC2, 0x20);
1181
1182 /* Set Configuration Default */
1183 regmap_write(rt700->regmap, 0x4f12, 0x91);
1184 regmap_write(rt700->regmap, 0x4e12, 0xd6);
1185 regmap_write(rt700->regmap, 0x4d12, 0x11);
1186 regmap_write(rt700->regmap, 0x4c12, 0x20);
1187 regmap_write(rt700->regmap, 0x4f13, 0x91);
1188 regmap_write(rt700->regmap, 0x4e13, 0xd6);
1189 regmap_write(rt700->regmap, 0x4d13, 0x11);
1190 regmap_write(rt700->regmap, 0x4c13, 0x21);
1191
1192 regmap_write(rt700->regmap, 0x4f19, 0x02);
1193 regmap_write(rt700->regmap, 0x4e19, 0xa1);
1194 regmap_write(rt700->regmap, 0x4d19, 0x90);
1195 regmap_write(rt700->regmap, 0x4c19, 0x80);
1196
1197 /* Enable Line2 */
1198 regmap_write(rt700->regmap, 0x371b, 0x40);
1199 regmap_write(rt700->regmap, 0x731b, 0xb0);
1200 regmap_write(rt700->regmap, 0x839b, 0x00);
1201
1202 /* Set index */
1203 rt700_index_write(rt700->regmap, 0x4a, 0x201b);
1204 rt700_index_write(rt700->regmap, 0x45, 0x5089);
1205 rt700_index_write(rt700->regmap, 0x6b, 0x5064);
1206 rt700_index_write(rt700->regmap, 0x48, 0xd249);
1207
1208 /* Finish Initial Settings, set power to D3 */
1209 regmap_write(rt700->regmap, RT700_SET_AUDIO_POWER_STATE, AC_PWRST_D3);
1210
1211 if (!rt700->first_hw_init) {
1212 INIT_DELAYED_WORK(&rt700->jack_detect_work,
1213 rt700_jack_detect_handler);
1214 INIT_DELAYED_WORK(&rt700->jack_btn_check_work,
1215 rt700_btn_check_handler);
1216 }
1217
1218 /*
1219 * if set_jack callback occurred early than io_init,
1220 * we set up the jack detection function now
1221 */
1222 if (rt700->hs_jack)
1223 rt700_jack_init(rt700);
1224
1225 if (rt700->first_hw_init) {
1226 regcache_cache_bypass(rt700->regmap, false);
1227 regcache_mark_dirty(rt700->regmap);
1228 } else
1229 rt700->first_hw_init = true;
1230
1231 /* Mark Slave initialization complete */
1232 rt700->hw_init = true;
1233
1234 pm_runtime_mark_last_busy(&slave->dev);
1235 pm_runtime_put_autosuspend(&slave->dev);
1236
1237 dev_dbg(&slave->dev, "%s hw_init complete\n", __func__);
1238
1239 return 0;
1240}
1241
1242MODULE_DESCRIPTION("ASoC RT700 driver SDW");
1243MODULE_AUTHOR("Shuming Fan <shumingf@realtek.com>");
1244MODULE_LICENSE("GPL v2");