1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Rockchip machine ASoC driver for boards using MAX98357A/RT5514/DA7219
4 *
5 * Copyright (c) 2016, ROCKCHIP CORPORATION. All rights reserved.
6 */
7
8 #include <linux/module.h>
9 #include <linux/platform_device.h>
10 #include <linux/slab.h>
11 #include <linux/delay.h>
12 #include <linux/spi/spi.h>
13 #include <linux/i2c.h>
14 #include <linux/input.h>
15 #include <sound/core.h>
16 #include <sound/jack.h>
17 #include <sound/pcm.h>
18 #include <sound/pcm_params.h>
19 #include <sound/soc.h>
20 #include "rockchip_i2s.h"
21 #include "../codecs/da7219.h"
22 #include "../codecs/rt5514.h"
23
24 #define DRV_NAME "rk3399-gru-sound"
25
26 #define SOUND_FS 256
27
28 static unsigned int dmic_wakeup_delay;
29
30 static struct snd_soc_jack rockchip_sound_jack;
31
32 /* Headset jack detection DAPM pins */
33 static struct snd_soc_jack_pin rockchip_sound_jack_pins[] = {
34 {
35 .pin = "Headphones",
36 .mask = SND_JACK_HEADPHONE,
37 },
38 {
39 .pin = "Headset Mic",
40 .mask = SND_JACK_MICROPHONE,
41 },
42 {
43 .pin = "Line Out",
44 .mask = SND_JACK_LINEOUT,
45 },
46 };
47
48 static const struct snd_soc_dapm_widget rockchip_dapm_widgets[] = {
49 SND_SOC_DAPM_HP("Headphones", NULL),
50 SND_SOC_DAPM_SPK("Speakers", NULL),
51 SND_SOC_DAPM_MIC("Headset Mic", NULL),
52 SND_SOC_DAPM_LINE("Line Out", NULL),
53 SND_SOC_DAPM_MIC("Int Mic", NULL),
54 SND_SOC_DAPM_LINE("HDMI", NULL),
55 };
56
57 static const struct snd_kcontrol_new rockchip_controls[] = {
58 SOC_DAPM_PIN_SWITCH("Headphones"),
59 SOC_DAPM_PIN_SWITCH("Speakers"),
60 SOC_DAPM_PIN_SWITCH("Headset Mic"),
61 SOC_DAPM_PIN_SWITCH("Line Out"),
62 SOC_DAPM_PIN_SWITCH("Int Mic"),
63 SOC_DAPM_PIN_SWITCH("HDMI"),
64 };
65
66 static int rockchip_sound_max98357a_hw_params(struct snd_pcm_substream *substream,
67 struct snd_pcm_hw_params *params)
68 {
69 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
70 unsigned int mclk;
71 int ret;
72
73 mclk = params_rate(params) * SOUND_FS;
74
75 ret = snd_soc_dai_set_sysclk(snd_soc_rtd_to_cpu(rtd, 0), 0, mclk, 0);
76 if (ret) {
77 dev_err(rtd->card->dev, "%s() error setting sysclk to %u: %d\n",
78 __func__, mclk, ret);
79 return ret;
80 }
81
82 return 0;
83 }
84
85 static int rockchip_sound_rt5514_hw_params(struct snd_pcm_substream *substream,
86 struct snd_pcm_hw_params *params)
87 {
88 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
89 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
90 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
91 unsigned int mclk;
92 int ret;
93
94 mclk = params_rate(params) * SOUND_FS;
95
96 ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
97 SND_SOC_CLOCK_OUT);
98 if (ret < 0) {
99 dev_err(rtd->card->dev, "Can't set cpu clock out %d\n", ret);
100 return ret;
101 }
102
103 ret = snd_soc_dai_set_sysclk(codec_dai, RT5514_SCLK_S_MCLK,
104 mclk, SND_SOC_CLOCK_IN);
105 if (ret) {
106 dev_err(rtd->card->dev, "%s() error setting sysclk to %u: %d\n",
107 __func__, params_rate(params) * 512, ret);
108 return ret;
109 }
110
111 /* Wait for DMIC stable */
112 msleep(dmic_wakeup_delay);
113
114 return 0;
115 }
116
117 static int rockchip_sound_da7219_hw_params(struct snd_pcm_substream *substream,
118 struct snd_pcm_hw_params *params)
119 {
120 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
121 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
122 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
123 int mclk, ret;
124
125 /* in bypass mode, the mclk has to be one of the frequencies below */
126 switch (params_rate(params)) {
127 case 8000:
128 case 16000:
129 case 24000:
130 case 32000:
131 case 48000:
132 case 64000:
133 case 96000:
134 mclk = 12288000;
135 break;
136 case 11025:
137 case 22050:
138 case 44100:
139 case 88200:
140 mclk = 11289600;
141 break;
142 default:
143 return -EINVAL;
144 }
145
146 ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
147 SND_SOC_CLOCK_OUT);
148 if (ret < 0) {
149 dev_err(codec_dai->dev, "Can't set cpu clock out %d\n", ret);
150 return ret;
151 }
152
153 ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
154 SND_SOC_CLOCK_IN);
155 if (ret < 0) {
156 dev_err(codec_dai->dev, "Can't set codec clock in %d\n", ret);
157 return ret;
158 }
159
160 ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_MCLK, 0, 0);
161 if (ret < 0) {
162 dev_err(codec_dai->dev, "Can't set pll sysclk mclk %d\n", ret);
163 return ret;
164 }
165
166 return 0;
167 }
168
169 static struct snd_soc_jack cdn_dp_card_jack;
170
171 static int rockchip_sound_cdndp_init(struct snd_soc_pcm_runtime *rtd)
172 {
173 struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component;
174 struct snd_soc_card *card = rtd->card;
175 int ret;
176
177 /* Enable jack detection. */
178 ret = snd_soc_card_jack_new(card, "DP Jack", SND_JACK_LINEOUT,
179 &cdn_dp_card_jack);
180 if (ret) {
181 dev_err(card->dev, "Can't create DP Jack %d\n", ret);
182 return ret;
183 }
184
185 return snd_soc_component_set_jack(component, &cdn_dp_card_jack, NULL);
186 }
187
188 static int rockchip_sound_da7219_init(struct snd_soc_pcm_runtime *rtd)
189 {
190 struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component;
191 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
192 int ret;
193
194 /* We need default MCLK and PLL settings for the accessory detection */
195 ret = snd_soc_dai_set_sysclk(codec_dai, 0, 12288000,
196 SND_SOC_CLOCK_IN);
197 if (ret < 0) {
198 dev_err(codec_dai->dev, "Init can't set codec clock in %d\n", ret);
199 return ret;
200 }
201
202 ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_MCLK, 0, 0);
203 if (ret < 0) {
204 dev_err(codec_dai->dev, "Init can't set pll sysclk mclk %d\n", ret);
205 return ret;
206 }
207
208 /* Enable Headset and 4 Buttons Jack detection */
209 ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack",
210 SND_JACK_HEADSET | SND_JACK_LINEOUT |
211 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
212 SND_JACK_BTN_2 | SND_JACK_BTN_3,
213 &rockchip_sound_jack,
214 rockchip_sound_jack_pins,
215 ARRAY_SIZE(rockchip_sound_jack_pins));
216
217 if (ret) {
218 dev_err(rtd->card->dev, "New Headset Jack failed! (%d)\n", ret);
219 return ret;
220 }
221
222 snd_jack_set_key(
223 rockchip_sound_jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
224 snd_jack_set_key(
225 rockchip_sound_jack.jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
226 snd_jack_set_key(
227 rockchip_sound_jack.jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
228 snd_jack_set_key(
229 rockchip_sound_jack.jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);
230
231 snd_soc_component_set_jack(component, &rockchip_sound_jack, NULL);
232
233 return 0;
234 }
235
236 static int rockchip_sound_dmic_hw_params(struct snd_pcm_substream *substream,
237 struct snd_pcm_hw_params *params)
238 {
239 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
240 unsigned int mclk;
241 int ret;
242
243 mclk = params_rate(params) * SOUND_FS;
244
245 ret = snd_soc_dai_set_sysclk(snd_soc_rtd_to_cpu(rtd, 0), 0, mclk, 0);
246 if (ret) {
247 dev_err(rtd->card->dev, "%s() error setting sysclk to %u: %d\n",
248 __func__, mclk, ret);
249 return ret;
250 }
251
252 /* Wait for DMIC stable */
253 msleep(dmic_wakeup_delay);
254
255 return 0;
256 }
257
258 static int rockchip_sound_startup(struct snd_pcm_substream *substream)
259 {
260 struct snd_pcm_runtime *runtime = substream->runtime;
261
262 runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
263 return snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_RATE,
264 8000, 96000);
265 }
266
267 static const struct snd_soc_ops rockchip_sound_max98357a_ops = {
268 .startup = rockchip_sound_startup,
269 .hw_params = rockchip_sound_max98357a_hw_params,
270 };
271
272 static const struct snd_soc_ops rockchip_sound_rt5514_ops = {
273 .startup = rockchip_sound_startup,
274 .hw_params = rockchip_sound_rt5514_hw_params,
275 };
276
277 static const struct snd_soc_ops rockchip_sound_da7219_ops = {
278 .startup = rockchip_sound_startup,
279 .hw_params = rockchip_sound_da7219_hw_params,
280 };
281
282 static const struct snd_soc_ops rockchip_sound_dmic_ops = {
283 .startup = rockchip_sound_startup,
284 .hw_params = rockchip_sound_dmic_hw_params,
285 };
286
287 static struct snd_soc_card rockchip_sound_card = {
288 .name = "rk3399-gru-sound",
289 .owner = THIS_MODULE,
290 .dapm_widgets = rockchip_dapm_widgets,
291 .num_dapm_widgets = ARRAY_SIZE(rockchip_dapm_widgets),
292 .controls = rockchip_controls,
293 .num_controls = ARRAY_SIZE(rockchip_controls),
294 };
295
296 enum {
297 DAILINK_CDNDP,
298 DAILINK_DA7219,
299 DAILINK_DMIC,
300 DAILINK_MAX98357A,
301 DAILINK_RT5514,
302 DAILINK_RT5514_DSP,
303 };
304
305 SND_SOC_DAILINK_DEFS(cdndp,
306 DAILINK_COMP_ARRAY(COMP_EMPTY()),
307 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "spdif-hifi")),
308 DAILINK_COMP_ARRAY(COMP_EMPTY()));
309
310 SND_SOC_DAILINK_DEFS(da7219,
311 DAILINK_COMP_ARRAY(COMP_EMPTY()),
312 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "da7219-hifi")),
313 DAILINK_COMP_ARRAY(COMP_EMPTY()));
314
315 SND_SOC_DAILINK_DEFS(dmic,
316 DAILINK_COMP_ARRAY(COMP_EMPTY()),
317 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "dmic-hifi")),
318 DAILINK_COMP_ARRAY(COMP_EMPTY()));
319
320 SND_SOC_DAILINK_DEFS(max98357a,
321 DAILINK_COMP_ARRAY(COMP_EMPTY()),
322 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "HiFi")),
323 DAILINK_COMP_ARRAY(COMP_EMPTY()));
324
325 SND_SOC_DAILINK_DEFS(rt5514,
326 DAILINK_COMP_ARRAY(COMP_EMPTY()),
327 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5514-aif1")),
328 DAILINK_COMP_ARRAY(COMP_EMPTY()));
329
330 SND_SOC_DAILINK_DEFS(rt5514_dsp,
331 DAILINK_COMP_ARRAY(COMP_EMPTY()),
332 DAILINK_COMP_ARRAY(COMP_DUMMY()),
333 DAILINK_COMP_ARRAY(COMP_EMPTY()));
334
335 static const struct snd_soc_dai_link rockchip_dais[] = {
336 [DAILINK_CDNDP] = {
337 .name = "DP",
338 .stream_name = "DP PCM",
339 .init = rockchip_sound_cdndp_init,
340 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
341 SND_SOC_DAIFMT_CBS_CFS,
342 SND_SOC_DAILINK_REG(cdndp),
343 },
344 [DAILINK_DA7219] = {
345 .name = "DA7219",
346 .stream_name = "DA7219 PCM",
347 .init = rockchip_sound_da7219_init,
348 .ops = &rockchip_sound_da7219_ops,
349 /* set da7219 as slave */
350 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
351 SND_SOC_DAIFMT_CBS_CFS,
352 SND_SOC_DAILINK_REG(da7219),
353 },
354 [DAILINK_DMIC] = {
355 .name = "DMIC",
356 .stream_name = "DMIC PCM",
357 .ops = &rockchip_sound_dmic_ops,
358 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
359 SND_SOC_DAIFMT_CBS_CFS,
360 SND_SOC_DAILINK_REG(dmic),
361 },
362 [DAILINK_MAX98357A] = {
363 .name = "MAX98357A",
364 .stream_name = "MAX98357A PCM",
365 .ops = &rockchip_sound_max98357a_ops,
366 /* set max98357a as slave */
367 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
368 SND_SOC_DAIFMT_CBS_CFS,
369 SND_SOC_DAILINK_REG(max98357a),
370 },
371 [DAILINK_RT5514] = {
372 .name = "RT5514",
373 .stream_name = "RT5514 PCM",
374 .ops = &rockchip_sound_rt5514_ops,
375 /* set rt5514 as slave */
376 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
377 SND_SOC_DAIFMT_CBS_CFS,
378 SND_SOC_DAILINK_REG(rt5514),
379 },
380 /* RT5514 DSP for voice wakeup via spi bus */
381 [DAILINK_RT5514_DSP] = {
382 .name = "RT5514 DSP",
383 .stream_name = "Wake on Voice",
384 SND_SOC_DAILINK_REG(rt5514_dsp),
385 },
386 };
387
388 static const struct snd_soc_dapm_route rockchip_sound_cdndp_routes[] = {
389 /* Output */
390 {"HDMI", NULL, "TX"},
391 };
392
393 static const struct snd_soc_dapm_route rockchip_sound_da7219_routes[] = {
394 /* Output */
395 {"Headphones", NULL, "HPL"},
396 {"Headphones", NULL, "HPR"},
397
398 /* Input */
399 {"MIC", NULL, "Headset Mic"},
400 };
401
402 static const struct snd_soc_dapm_route rockchip_sound_dmic_routes[] = {
403 /* Input */
404 {"DMic", NULL, "Int Mic"},
405 };
406
407 static const struct snd_soc_dapm_route rockchip_sound_max98357a_routes[] = {
408 /* Output */
409 {"Speakers", NULL, "Speaker"},
410 };
411
412 static const struct snd_soc_dapm_route rockchip_sound_rt5514_routes[] = {
413 /* Input */
414 {"DMIC1L", NULL, "Int Mic"},
415 {"DMIC1R", NULL, "Int Mic"},
416 };
417
418 struct rockchip_sound_route {
419 const struct snd_soc_dapm_route *routes;
420 int num_routes;
421 };
422
423 static const struct rockchip_sound_route rockchip_routes[] = {
424 [DAILINK_CDNDP] = {
425 .routes = rockchip_sound_cdndp_routes,
426 .num_routes = ARRAY_SIZE(rockchip_sound_cdndp_routes),
427 },
428 [DAILINK_DA7219] = {
429 .routes = rockchip_sound_da7219_routes,
430 .num_routes = ARRAY_SIZE(rockchip_sound_da7219_routes),
431 },
432 [DAILINK_DMIC] = {
433 .routes = rockchip_sound_dmic_routes,
434 .num_routes = ARRAY_SIZE(rockchip_sound_dmic_routes),
435 },
436 [DAILINK_MAX98357A] = {
437 .routes = rockchip_sound_max98357a_routes,
438 .num_routes = ARRAY_SIZE(rockchip_sound_max98357a_routes),
439 },
440 [DAILINK_RT5514] = {
441 .routes = rockchip_sound_rt5514_routes,
442 .num_routes = ARRAY_SIZE(rockchip_sound_rt5514_routes),
443 },
444 [DAILINK_RT5514_DSP] = {},
445 };
446
447 struct dailink_match_data {
448 const char *compatible;
449 const struct bus_type *bus_type;
450 };
451
452 static const struct dailink_match_data dailink_match[] = {
453 [DAILINK_CDNDP] = {
454 .compatible = "rockchip,rk3399-cdn-dp",
455 },
456 [DAILINK_DA7219] = {
457 .compatible = "dlg,da7219",
458 },
459 [DAILINK_DMIC] = {
460 .compatible = "dmic-codec",
461 },
462 [DAILINK_MAX98357A] = {
463 .compatible = "maxim,max98357a",
464 },
465 [DAILINK_RT5514] = {
466 .compatible = "realtek,rt5514",
467 .bus_type = &i2c_bus_type,
468 },
469 [DAILINK_RT5514_DSP] = {
470 .compatible = "realtek,rt5514",
471 .bus_type = &spi_bus_type,
472 },
473 };
474
475 static int rockchip_sound_codec_node_match(struct device_node *np_codec)
476 {
477 struct device *dev;
478 int i;
479
480 for (i = 0; i < ARRAY_SIZE(dailink_match); i++) {
481 if (!of_device_is_compatible(np_codec,
482 dailink_match[i].compatible))
483 continue;
484
485 if (dailink_match[i].bus_type) {
486 dev = bus_find_device_by_of_node(dailink_match[i].bus_type,
487 np_codec);
488 if (!dev)
489 continue;
490 put_device(dev);
491 }
492
493 return i;
494 }
495 return -1;
496 }
497
498 static int rockchip_sound_of_parse_dais(struct device *dev,
499 struct snd_soc_card *card)
500 {
501 struct device_node *np_cpu, *np_cpu0, *np_cpu1;
502 struct device_node *np_codec;
503 struct snd_soc_dai_link *dai;
504 struct snd_soc_dapm_route *routes;
505 int i, index;
506 int num_routes;
507
508 card->dai_link = devm_kzalloc(dev, sizeof(rockchip_dais),
509 GFP_KERNEL);
510 if (!card->dai_link)
511 return -ENOMEM;
512
513 num_routes = 0;
514 for (i = 0; i < ARRAY_SIZE(rockchip_routes); i++)
515 num_routes += rockchip_routes[i].num_routes;
516 routes = devm_kcalloc(dev, num_routes, sizeof(*routes),
517 GFP_KERNEL);
518 if (!routes)
519 return -ENOMEM;
520 card->dapm_routes = routes;
521
522 np_cpu0 = of_parse_phandle(dev->of_node, "rockchip,cpu", 0);
523 np_cpu1 = of_parse_phandle(dev->of_node, "rockchip,cpu", 1);
524
525 card->num_dapm_routes = 0;
526 card->num_links = 0;
527 for (i = 0; i < ARRAY_SIZE(rockchip_dais); i++) {
528 np_codec = of_parse_phandle(dev->of_node,
529 "rockchip,codec", i);
530 if (!np_codec)
531 break;
532
533 if (!of_device_is_available(np_codec))
534 continue;
535
536 index = rockchip_sound_codec_node_match(np_codec);
537 if (index < 0)
538 continue;
539
540 switch (index) {
541 case DAILINK_CDNDP:
542 np_cpu = np_cpu1;
543 break;
544 case DAILINK_RT5514_DSP:
545 np_cpu = np_codec;
546 break;
547 default:
548 np_cpu = np_cpu0;
549 break;
550 }
551
552 if (!np_cpu) {
553 dev_err(dev, "Missing 'rockchip,cpu' for %s\n",
554 rockchip_dais[index].name);
555 return -EINVAL;
556 }
557
558 dai = &card->dai_link[card->num_links++];
559 *dai = rockchip_dais[index];
560
561 if (!dai->codecs->name)
562 dai->codecs->of_node = np_codec;
563 dai->platforms->of_node = np_cpu;
564 dai->cpus->of_node = np_cpu;
565
566 if (card->num_dapm_routes + rockchip_routes[index].num_routes >
567 num_routes) {
568 dev_err(dev, "Too many routes\n");
569 return -EINVAL;
570 }
571
572 memcpy(routes + card->num_dapm_routes,
573 rockchip_routes[index].routes,
574 rockchip_routes[index].num_routes * sizeof(*routes));
575 card->num_dapm_routes += rockchip_routes[index].num_routes;
576 }
577
578 return 0;
579 }
580
581 static int rockchip_sound_probe(struct platform_device *pdev)
582 {
583 struct snd_soc_card *card = &rockchip_sound_card;
584 int ret;
585
586 ret = rockchip_sound_of_parse_dais(&pdev->dev, card);
587 if (ret < 0) {
588 dev_err(&pdev->dev, "Failed to parse dais: %d\n", ret);
589 return ret;
590 }
591
592 /* Set DMIC wakeup delay */
593 ret = device_property_read_u32(&pdev->dev, "dmic-wakeup-delay-ms",
594 &dmic_wakeup_delay);
595 if (ret) {
596 dmic_wakeup_delay = 0;
597 dev_dbg(&pdev->dev,
598 "no optional property 'dmic-wakeup-delay-ms' found, default: no delay\n");
599 }
600
601 card->dev = &pdev->dev;
602 return devm_snd_soc_register_card(&pdev->dev, card);
603 }
604
605 static const struct of_device_id rockchip_sound_of_match[] = {
606 { .compatible = "rockchip,rk3399-gru-sound", },
607 {},
608 };
609
610 static struct platform_driver rockchip_sound_driver = {
611 .probe = rockchip_sound_probe,
612 .driver = {
613 .name = DRV_NAME,
614 .of_match_table = rockchip_sound_of_match,
615 #ifdef CONFIG_PM
616 .pm = &snd_soc_pm_ops,
617 #endif
618 },
619 };
620
621 module_platform_driver(rockchip_sound_driver);
622
623 MODULE_AUTHOR("Xing Zheng <zhengxing@rock-chips.com>");
624 MODULE_DESCRIPTION("Rockchip ASoC Machine Driver");
625 MODULE_LICENSE("GPL v2");
626 MODULE_ALIAS("platform:" DRV_NAME);
627 MODULE_DEVICE_TABLE(of, rockchip_sound_of_match);
628
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