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8#include <linux/module.h>
9#include <linux/platform_device.h>
10#include <linux/slab.h>
11#include <linux/gpio.h>
12#include <linux/of_gpio.h>
13#include <linux/delay.h>
14#include <linux/spi/spi.h>
15#include <linux/i2c.h>
16#include <linux/input.h>
17#include <sound/core.h>
18#include <sound/jack.h>
19#include <sound/pcm.h>
20#include <sound/pcm_params.h>
21#include <sound/soc.h>
22#include "rockchip_i2s.h"
23#include "../codecs/da7219.h"
24#include "../codecs/da7219-aad.h"
25#include "../codecs/rt5514.h"
26
27#define DRV_NAME "rk3399-gru-sound"
28
29#define SOUND_FS 256
30
31static unsigned int dmic_wakeup_delay;
32
33static struct snd_soc_jack rockchip_sound_jack;
34
35static const struct snd_soc_dapm_widget rockchip_dapm_widgets[] = {
36 SND_SOC_DAPM_HP("Headphones", NULL),
37 SND_SOC_DAPM_SPK("Speakers", NULL),
38 SND_SOC_DAPM_MIC("Headset Mic", NULL),
39 SND_SOC_DAPM_MIC("Int Mic", NULL),
40 SND_SOC_DAPM_LINE("HDMI", NULL),
41};
42
43static const struct snd_kcontrol_new rockchip_controls[] = {
44 SOC_DAPM_PIN_SWITCH("Headphones"),
45 SOC_DAPM_PIN_SWITCH("Speakers"),
46 SOC_DAPM_PIN_SWITCH("Headset Mic"),
47 SOC_DAPM_PIN_SWITCH("Int Mic"),
48 SOC_DAPM_PIN_SWITCH("HDMI"),
49};
50
51static int rockchip_sound_max98357a_hw_params(struct snd_pcm_substream *substream,
52 struct snd_pcm_hw_params *params)
53{
54 struct snd_soc_pcm_runtime *rtd = substream->private_data;
55 unsigned int mclk;
56 int ret;
57
58 mclk = params_rate(params) * SOUND_FS;
59
60 ret = snd_soc_dai_set_sysclk(rtd->cpu_dai, 0, mclk, 0);
61 if (ret) {
62 dev_err(rtd->card->dev, "%s() error setting sysclk to %u: %d\n",
63 __func__, mclk, ret);
64 return ret;
65 }
66
67 return 0;
68}
69
70static int rockchip_sound_rt5514_hw_params(struct snd_pcm_substream *substream,
71 struct snd_pcm_hw_params *params)
72{
73 struct snd_soc_pcm_runtime *rtd = substream->private_data;
74 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
75 struct snd_soc_dai *codec_dai = rtd->codec_dai;
76 unsigned int mclk;
77 int ret;
78
79 mclk = params_rate(params) * SOUND_FS;
80
81 ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
82 SND_SOC_CLOCK_OUT);
83 if (ret < 0) {
84 dev_err(rtd->card->dev, "Can't set cpu clock out %d\n", ret);
85 return ret;
86 }
87
88 ret = snd_soc_dai_set_sysclk(codec_dai, RT5514_SCLK_S_MCLK,
89 mclk, SND_SOC_CLOCK_IN);
90 if (ret) {
91 dev_err(rtd->card->dev, "%s() error setting sysclk to %u: %d\n",
92 __func__, params_rate(params) * 512, ret);
93 return ret;
94 }
95
96
97 msleep(dmic_wakeup_delay);
98
99 return 0;
100}
101
102static int rockchip_sound_da7219_hw_params(struct snd_pcm_substream *substream,
103 struct snd_pcm_hw_params *params)
104{
105 struct snd_soc_pcm_runtime *rtd = substream->private_data;
106 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
107 struct snd_soc_dai *codec_dai = rtd->codec_dai;
108 int mclk, ret;
109
110
111 switch (params_rate(params)) {
112 case 8000:
113 case 16000:
114 case 24000:
115 case 32000:
116 case 48000:
117 case 64000:
118 case 96000:
119 mclk = 12288000;
120 break;
121 case 11025:
122 case 22050:
123 case 44100:
124 case 88200:
125 mclk = 11289600;
126 break;
127 default:
128 return -EINVAL;
129 }
130
131 ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
132 SND_SOC_CLOCK_OUT);
133 if (ret < 0) {
134 dev_err(codec_dai->dev, "Can't set cpu clock out %d\n", ret);
135 return ret;
136 }
137
138 ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
139 SND_SOC_CLOCK_IN);
140 if (ret < 0) {
141 dev_err(codec_dai->dev, "Can't set codec clock in %d\n", ret);
142 return ret;
143 }
144
145 ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_MCLK, 0, 0);
146 if (ret < 0) {
147 dev_err(codec_dai->dev, "Can't set pll sysclk mclk %d\n", ret);
148 return ret;
149 }
150
151 return 0;
152}
153
154static int rockchip_sound_da7219_init(struct snd_soc_pcm_runtime *rtd)
155{
156 struct snd_soc_component *component = rtd->codec_dais[0]->component;
157 struct snd_soc_dai *codec_dai = rtd->codec_dai;
158 int ret;
159
160
161 ret = snd_soc_dai_set_sysclk(codec_dai, 0, 12288000,
162 SND_SOC_CLOCK_IN);
163 if (ret < 0) {
164 dev_err(codec_dai->dev, "Init can't set codec clock in %d\n", ret);
165 return ret;
166 }
167
168 ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_MCLK, 0, 0);
169 if (ret < 0) {
170 dev_err(codec_dai->dev, "Init can't set pll sysclk mclk %d\n", ret);
171 return ret;
172 }
173
174
175 ret = snd_soc_card_jack_new(rtd->card, "Headset Jack",
176 SND_JACK_HEADSET | SND_JACK_LINEOUT |
177 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
178 SND_JACK_BTN_2 | SND_JACK_BTN_3,
179 &rockchip_sound_jack, NULL, 0);
180
181 if (ret) {
182 dev_err(rtd->card->dev, "New Headset Jack failed! (%d)\n", ret);
183 return ret;
184 }
185
186 snd_jack_set_key(
187 rockchip_sound_jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
188 snd_jack_set_key(
189 rockchip_sound_jack.jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
190 snd_jack_set_key(
191 rockchip_sound_jack.jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
192 snd_jack_set_key(
193 rockchip_sound_jack.jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);
194
195 da7219_aad_jack_det(component, &rockchip_sound_jack);
196
197 return 0;
198}
199
200static int rockchip_sound_dmic_hw_params(struct snd_pcm_substream *substream,
201 struct snd_pcm_hw_params *params)
202{
203 struct snd_soc_pcm_runtime *rtd = substream->private_data;
204 unsigned int mclk;
205 int ret;
206
207 mclk = params_rate(params) * SOUND_FS;
208
209 ret = snd_soc_dai_set_sysclk(rtd->cpu_dai, 0, mclk, 0);
210 if (ret) {
211 dev_err(rtd->card->dev, "%s() error setting sysclk to %u: %d\n",
212 __func__, mclk, ret);
213 return ret;
214 }
215
216
217 msleep(dmic_wakeup_delay);
218
219 return 0;
220}
221
222static const struct snd_soc_ops rockchip_sound_max98357a_ops = {
223 .hw_params = rockchip_sound_max98357a_hw_params,
224};
225
226static const struct snd_soc_ops rockchip_sound_rt5514_ops = {
227 .hw_params = rockchip_sound_rt5514_hw_params,
228};
229
230static const struct snd_soc_ops rockchip_sound_da7219_ops = {
231 .hw_params = rockchip_sound_da7219_hw_params,
232};
233
234static const struct snd_soc_ops rockchip_sound_dmic_ops = {
235 .hw_params = rockchip_sound_dmic_hw_params,
236};
237
238static struct snd_soc_card rockchip_sound_card = {
239 .name = "rk3399-gru-sound",
240 .owner = THIS_MODULE,
241 .dapm_widgets = rockchip_dapm_widgets,
242 .num_dapm_widgets = ARRAY_SIZE(rockchip_dapm_widgets),
243 .controls = rockchip_controls,
244 .num_controls = ARRAY_SIZE(rockchip_controls),
245};
246
247enum {
248 DAILINK_CDNDP,
249 DAILINK_DA7219,
250 DAILINK_DMIC,
251 DAILINK_MAX98357A,
252 DAILINK_RT5514,
253 DAILINK_RT5514_DSP,
254};
255
256SND_SOC_DAILINK_DEFS(cdndp,
257 DAILINK_COMP_ARRAY(COMP_EMPTY()),
258 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "spdif-hifi")),
259 DAILINK_COMP_ARRAY(COMP_EMPTY()));
260
261SND_SOC_DAILINK_DEFS(da7219,
262 DAILINK_COMP_ARRAY(COMP_EMPTY()),
263 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "da7219-hifi")),
264 DAILINK_COMP_ARRAY(COMP_EMPTY()));
265
266SND_SOC_DAILINK_DEFS(dmic,
267 DAILINK_COMP_ARRAY(COMP_EMPTY()),
268 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "dmic-hifi")),
269 DAILINK_COMP_ARRAY(COMP_EMPTY()));
270
271SND_SOC_DAILINK_DEFS(max98357a,
272 DAILINK_COMP_ARRAY(COMP_EMPTY()),
273 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "HiFi")),
274 DAILINK_COMP_ARRAY(COMP_EMPTY()));
275
276SND_SOC_DAILINK_DEFS(rt5514,
277 DAILINK_COMP_ARRAY(COMP_EMPTY()),
278 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5514-aif1")),
279 DAILINK_COMP_ARRAY(COMP_EMPTY()));
280
281SND_SOC_DAILINK_DEFS(rt5514_dsp,
282 DAILINK_COMP_ARRAY(COMP_EMPTY()),
283 DAILINK_COMP_ARRAY(COMP_DUMMY()),
284 DAILINK_COMP_ARRAY(COMP_EMPTY()));
285
286static const struct snd_soc_dai_link rockchip_dais[] = {
287 [DAILINK_CDNDP] = {
288 .name = "DP",
289 .stream_name = "DP PCM",
290 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
291 SND_SOC_DAIFMT_CBS_CFS,
292 SND_SOC_DAILINK_REG(cdndp),
293 },
294 [DAILINK_DA7219] = {
295 .name = "DA7219",
296 .stream_name = "DA7219 PCM",
297 .init = rockchip_sound_da7219_init,
298 .ops = &rockchip_sound_da7219_ops,
299
300 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
301 SND_SOC_DAIFMT_CBS_CFS,
302 SND_SOC_DAILINK_REG(da7219),
303 },
304 [DAILINK_DMIC] = {
305 .name = "DMIC",
306 .stream_name = "DMIC PCM",
307 .ops = &rockchip_sound_dmic_ops,
308 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
309 SND_SOC_DAIFMT_CBS_CFS,
310 SND_SOC_DAILINK_REG(dmic),
311 },
312 [DAILINK_MAX98357A] = {
313 .name = "MAX98357A",
314 .stream_name = "MAX98357A PCM",
315 .ops = &rockchip_sound_max98357a_ops,
316
317 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
318 SND_SOC_DAIFMT_CBS_CFS,
319 SND_SOC_DAILINK_REG(max98357a),
320 },
321 [DAILINK_RT5514] = {
322 .name = "RT5514",
323 .stream_name = "RT5514 PCM",
324 .ops = &rockchip_sound_rt5514_ops,
325
326 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
327 SND_SOC_DAIFMT_CBS_CFS,
328 SND_SOC_DAILINK_REG(rt5514),
329 },
330
331 [DAILINK_RT5514_DSP] = {
332 .name = "RT5514 DSP",
333 .stream_name = "Wake on Voice",
334 SND_SOC_DAILINK_REG(rt5514_dsp),
335 },
336};
337
338static const struct snd_soc_dapm_route rockchip_sound_cdndp_routes[] = {
339
340 {"HDMI", NULL, "TX"},
341};
342
343static const struct snd_soc_dapm_route rockchip_sound_da7219_routes[] = {
344
345 {"Headphones", NULL, "HPL"},
346 {"Headphones", NULL, "HPR"},
347
348
349 {"MIC", NULL, "Headset Mic"},
350};
351
352static const struct snd_soc_dapm_route rockchip_sound_dmic_routes[] = {
353
354 {"DMic", NULL, "Int Mic"},
355};
356
357static const struct snd_soc_dapm_route rockchip_sound_max98357a_routes[] = {
358
359 {"Speakers", NULL, "Speaker"},
360};
361
362static const struct snd_soc_dapm_route rockchip_sound_rt5514_routes[] = {
363
364 {"DMIC1L", NULL, "Int Mic"},
365 {"DMIC1R", NULL, "Int Mic"},
366};
367
368struct rockchip_sound_route {
369 const struct snd_soc_dapm_route *routes;
370 int num_routes;
371};
372
373static const struct rockchip_sound_route rockchip_routes[] = {
374 [DAILINK_CDNDP] = {
375 .routes = rockchip_sound_cdndp_routes,
376 .num_routes = ARRAY_SIZE(rockchip_sound_cdndp_routes),
377 },
378 [DAILINK_DA7219] = {
379 .routes = rockchip_sound_da7219_routes,
380 .num_routes = ARRAY_SIZE(rockchip_sound_da7219_routes),
381 },
382 [DAILINK_DMIC] = {
383 .routes = rockchip_sound_dmic_routes,
384 .num_routes = ARRAY_SIZE(rockchip_sound_dmic_routes),
385 },
386 [DAILINK_MAX98357A] = {
387 .routes = rockchip_sound_max98357a_routes,
388 .num_routes = ARRAY_SIZE(rockchip_sound_max98357a_routes),
389 },
390 [DAILINK_RT5514] = {
391 .routes = rockchip_sound_rt5514_routes,
392 .num_routes = ARRAY_SIZE(rockchip_sound_rt5514_routes),
393 },
394 [DAILINK_RT5514_DSP] = {},
395};
396
397struct dailink_match_data {
398 const char *compatible;
399 struct bus_type *bus_type;
400};
401
402static const struct dailink_match_data dailink_match[] = {
403 [DAILINK_CDNDP] = {
404 .compatible = "rockchip,rk3399-cdn-dp",
405 },
406 [DAILINK_DA7219] = {
407 .compatible = "dlg,da7219",
408 },
409 [DAILINK_DMIC] = {
410 .compatible = "dmic-codec",
411 },
412 [DAILINK_MAX98357A] = {
413 .compatible = "maxim,max98357a",
414 },
415 [DAILINK_RT5514] = {
416 .compatible = "realtek,rt5514",
417 .bus_type = &i2c_bus_type,
418 },
419 [DAILINK_RT5514_DSP] = {
420 .compatible = "realtek,rt5514",
421 .bus_type = &spi_bus_type,
422 },
423};
424
425static int of_dev_node_match(struct device *dev, const void *data)
426{
427 return dev->of_node == data;
428}
429
430static int rockchip_sound_codec_node_match(struct device_node *np_codec)
431{
432 struct device *dev;
433 int i;
434
435 for (i = 0; i < ARRAY_SIZE(dailink_match); i++) {
436 if (!of_device_is_compatible(np_codec,
437 dailink_match[i].compatible))
438 continue;
439
440 if (dailink_match[i].bus_type) {
441 dev = bus_find_device(dailink_match[i].bus_type, NULL,
442 np_codec, of_dev_node_match);
443 if (!dev)
444 continue;
445 put_device(dev);
446 }
447
448 return i;
449 }
450 return -1;
451}
452
453static int rockchip_sound_of_parse_dais(struct device *dev,
454 struct snd_soc_card *card)
455{
456 struct device_node *np_cpu, *np_cpu0, *np_cpu1;
457 struct device_node *np_codec;
458 struct snd_soc_dai_link *dai;
459 struct snd_soc_dapm_route *routes;
460 int i, index;
461 int num_routes;
462
463 card->dai_link = devm_kzalloc(dev, sizeof(rockchip_dais),
464 GFP_KERNEL);
465 if (!card->dai_link)
466 return -ENOMEM;
467
468 num_routes = 0;
469 for (i = 0; i < ARRAY_SIZE(rockchip_routes); i++)
470 num_routes += rockchip_routes[i].num_routes;
471 routes = devm_kcalloc(dev, num_routes, sizeof(*routes),
472 GFP_KERNEL);
473 if (!routes)
474 return -ENOMEM;
475 card->dapm_routes = routes;
476
477 np_cpu0 = of_parse_phandle(dev->of_node, "rockchip,cpu", 0);
478 np_cpu1 = of_parse_phandle(dev->of_node, "rockchip,cpu", 1);
479
480 card->num_dapm_routes = 0;
481 card->num_links = 0;
482 for (i = 0; i < ARRAY_SIZE(rockchip_dais); i++) {
483 np_codec = of_parse_phandle(dev->of_node,
484 "rockchip,codec", i);
485 if (!np_codec)
486 break;
487
488 if (!of_device_is_available(np_codec))
489 continue;
490
491 index = rockchip_sound_codec_node_match(np_codec);
492 if (index < 0)
493 continue;
494
495 switch (index) {
496 case DAILINK_CDNDP:
497 np_cpu = np_cpu1;
498 break;
499 case DAILINK_RT5514_DSP:
500 np_cpu = np_codec;
501 break;
502 default:
503 np_cpu = np_cpu0;
504 break;
505 }
506
507 if (!np_cpu) {
508 dev_err(dev, "Missing 'rockchip,cpu' for %s\n",
509 rockchip_dais[index].name);
510 return -EINVAL;
511 }
512
513 dai = &card->dai_link[card->num_links++];
514 *dai = rockchip_dais[index];
515
516 if (!dai->codecs->name)
517 dai->codecs->of_node = np_codec;
518 dai->platforms->of_node = np_cpu;
519 dai->cpus->of_node = np_cpu;
520
521 if (card->num_dapm_routes + rockchip_routes[index].num_routes >
522 num_routes) {
523 dev_err(dev, "Too many routes\n");
524 return -EINVAL;
525 }
526
527 memcpy(routes + card->num_dapm_routes,
528 rockchip_routes[index].routes,
529 rockchip_routes[index].num_routes * sizeof(*routes));
530 card->num_dapm_routes += rockchip_routes[index].num_routes;
531 }
532
533 return 0;
534}
535
536static int rockchip_sound_probe(struct platform_device *pdev)
537{
538 struct snd_soc_card *card = &rockchip_sound_card;
539 int ret;
540
541 ret = rockchip_sound_of_parse_dais(&pdev->dev, card);
542 if (ret < 0) {
543 dev_err(&pdev->dev, "Failed to parse dais: %d\n", ret);
544 return ret;
545 }
546
547
548 ret = device_property_read_u32(&pdev->dev, "dmic-wakeup-delay-ms",
549 &dmic_wakeup_delay);
550 if (ret) {
551 dmic_wakeup_delay = 0;
552 dev_dbg(&pdev->dev,
553 "no optional property 'dmic-wakeup-delay-ms' found, default: no delay\n");
554 }
555
556 card->dev = &pdev->dev;
557 return devm_snd_soc_register_card(&pdev->dev, card);
558}
559
560static const struct of_device_id rockchip_sound_of_match[] = {
561 { .compatible = "rockchip,rk3399-gru-sound", },
562 {},
563};
564
565static struct platform_driver rockchip_sound_driver = {
566 .probe = rockchip_sound_probe,
567 .driver = {
568 .name = DRV_NAME,
569 .of_match_table = rockchip_sound_of_match,
570#ifdef CONFIG_PM
571 .pm = &snd_soc_pm_ops,
572#endif
573 },
574};
575
576module_platform_driver(rockchip_sound_driver);
577
578MODULE_AUTHOR("Xing Zheng <zhengxing@rock-chips.com>");
579MODULE_DESCRIPTION("Rockchip ASoC Machine Driver");
580MODULE_LICENSE("GPL v2");
581MODULE_ALIAS("platform:" DRV_NAME);
582MODULE_DEVICE_TABLE(of, rockchip_sound_of_match);
583