1 // SPDX-License-Identifier: MIT
2 //
3 // Machine driver for AMD ACP Audio engine using DA7219, RT5682 & MAX98357 codec
4 //
5 //Copyright 2017-2021 Advanced Micro Devices, Inc.
6 
7 #include <sound/core.h>
8 #include <sound/soc.h>
9 #include <sound/pcm.h>
10 #include <sound/pcm_params.h>
11 #include <sound/soc-dapm.h>
12 #include <sound/jack.h>
13 #include <linux/clk.h>
14 #include <linux/gpio.h>
15 #include <linux/module.h>
16 #include <linux/regulator/machine.h>
17 #include <linux/regulator/driver.h>
18 #include <linux/i2c.h>
19 #include <linux/input.h>
20 #include <linux/acpi.h>
21 
22 #include "acp.h"
23 #include "../codecs/da7219.h"
24 #include "../codecs/da7219-aad.h"
25 #include "../codecs/rt5682.h"
26 
27 #define CZ_PLAT_CLK 48000000
28 #define DUAL_CHANNEL		2
29 #define RT5682_PLL_FREQ (48000 * 512)
30 
31 static struct snd_soc_jack cz_jack;
32 static struct clk *da7219_dai_wclk;
33 static struct clk *da7219_dai_bclk;
34 static struct clk *rt5682_dai_wclk;
35 static struct clk *rt5682_dai_bclk;
36 
37 void *acp_soc_is_rltk_max(struct device *dev);
38 
39 static int cz_da7219_init(struct snd_soc_pcm_runtime *rtd)
40 {
41 	int ret;
42 	struct snd_soc_card *card = rtd->card;
43 	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
44 	struct snd_soc_component *component = codec_dai->component;
45 
46 	dev_info(rtd->dev, "codec dai name = %s\n", codec_dai->name);
47 
48 	ret = snd_soc_dai_set_sysclk(codec_dai, DA7219_CLKSRC_MCLK,
49 				     CZ_PLAT_CLK, SND_SOC_CLOCK_IN);
50 	if (ret < 0) {
51 		dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret);
52 		return ret;
53 	}
54 
55 	ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_PLL,
56 				  CZ_PLAT_CLK, DA7219_PLL_FREQ_OUT_98304);
57 	if (ret < 0) {
58 		dev_err(rtd->dev, "can't set codec pll: %d\n", ret);
59 		return ret;
60 	}
61 
62 	da7219_dai_wclk = devm_clk_get(component->dev, "da7219-dai-wclk");
63 	if (IS_ERR(da7219_dai_wclk))
64 		return PTR_ERR(da7219_dai_wclk);
65 
66 	da7219_dai_bclk = devm_clk_get(component->dev, "da7219-dai-bclk");
67 	if (IS_ERR(da7219_dai_bclk))
68 		return PTR_ERR(da7219_dai_bclk);
69 
70 	ret = snd_soc_card_jack_new(card, "Headset Jack",
71 				SND_JACK_HEADSET | SND_JACK_LINEOUT |
72 				SND_JACK_BTN_0 | SND_JACK_BTN_1 |
73 				SND_JACK_BTN_2 | SND_JACK_BTN_3,
74 				&cz_jack);
75 	if (ret) {
76 		dev_err(card->dev, "HP jack creation failed %d\n", ret);
77 		return ret;
78 	}
79 
80 	snd_jack_set_key(cz_jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
81 	snd_jack_set_key(cz_jack.jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
82 	snd_jack_set_key(cz_jack.jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
83 	snd_jack_set_key(cz_jack.jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);
84 
85 	da7219_aad_jack_det(component, &cz_jack);
86 
87 	return 0;
88 }
89 
90 static int da7219_clk_enable(struct snd_pcm_substream *substream)
91 {
92 	int ret = 0;
93 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
94 
95 	/*
96 	 * Set wclk to 48000 because the rate constraint of this driver is
97 	 * 48000. ADAU7002 spec: "The ADAU7002 requires a BCLK rate that is
98 	 * minimum of 64x the LRCLK sample rate." DA7219 is the only clk
99 	 * source so for all codecs we have to limit bclk to 64X lrclk.
100 	 */
101 	clk_set_rate(da7219_dai_wclk, 48000);
102 	clk_set_rate(da7219_dai_bclk, 48000 * 64);
103 	ret = clk_prepare_enable(da7219_dai_bclk);
104 	if (ret < 0) {
105 		dev_err(rtd->dev, "can't enable master clock %d\n", ret);
106 		return ret;
107 	}
108 
109 	return ret;
110 }
111 
112 static void da7219_clk_disable(void)
113 {
114 	clk_disable_unprepare(da7219_dai_bclk);
115 }
116 
117 static int cz_rt5682_init(struct snd_soc_pcm_runtime *rtd)
118 {
119 	int ret;
120 	struct snd_soc_card *card = rtd->card;
121 	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
122 	struct snd_soc_component *component = codec_dai->component;
123 
124 	dev_info(codec_dai->dev, "codec dai name = %s\n", codec_dai->name);
125 
126 	/* Set codec sysclk */
127 	ret = snd_soc_dai_set_sysclk(codec_dai, RT5682_SCLK_S_PLL2,
128 				     RT5682_PLL_FREQ, SND_SOC_CLOCK_IN);
129 	if (ret < 0) {
130 		dev_err(codec_dai->dev,
131 			"Failed to set rt5682 SYSCLK: %d\n", ret);
132 		return ret;
133 	}
134 	/* set codec PLL */
135 	ret = snd_soc_dai_set_pll(codec_dai, RT5682_PLL2, RT5682_PLL2_S_MCLK,
136 				  CZ_PLAT_CLK, RT5682_PLL_FREQ);
137 	if (ret < 0) {
138 		dev_err(codec_dai->dev, "can't set rt5682 PLL: %d\n", ret);
139 		return ret;
140 	}
141 
142 	rt5682_dai_wclk = devm_clk_get(component->dev, "rt5682-dai-wclk");
143 	if (IS_ERR(rt5682_dai_wclk))
144 		return PTR_ERR(rt5682_dai_wclk);
145 
146 	rt5682_dai_bclk = devm_clk_get(component->dev, "rt5682-dai-bclk");
147 	if (IS_ERR(rt5682_dai_bclk))
148 		return PTR_ERR(rt5682_dai_bclk);
149 
150 	ret = snd_soc_card_jack_new(card, "Headset Jack",
151 				    SND_JACK_HEADSET | SND_JACK_LINEOUT |
152 				    SND_JACK_BTN_0 | SND_JACK_BTN_1 |
153 				    SND_JACK_BTN_2 | SND_JACK_BTN_3,
154 				    &cz_jack);
155 	if (ret) {
156 		dev_err(card->dev, "HP jack creation failed %d\n", ret);
157 		return ret;
158 	}
159 
160 	snd_jack_set_key(cz_jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
161 	snd_jack_set_key(cz_jack.jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
162 	snd_jack_set_key(cz_jack.jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
163 	snd_jack_set_key(cz_jack.jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);
164 
165 	ret = snd_soc_component_set_jack(component, &cz_jack, NULL);
166 	if (ret) {
167 		dev_err(rtd->dev, "Headset Jack call-back failed: %d\n", ret);
168 		return ret;
169 	}
170 	return 0;
171 }
172 
173 static int rt5682_clk_enable(struct snd_pcm_substream *substream)
174 {
175 	int ret;
176 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
177 
178 	/*
179 	 * Set wclk to 48000 because the rate constraint of this driver is
180 	 * 48000. ADAU7002 spec: "The ADAU7002 requires a BCLK rate that is
181 	 * minimum of 64x the LRCLK sample rate." RT5682 is the only clk
182 	 * source so for all codecs we have to limit bclk to 64X lrclk.
183 	 */
184 	ret = clk_set_rate(rt5682_dai_wclk, 48000);
185 	if (ret) {
186 		dev_err(rtd->dev, "Error setting wclk rate: %d\n", ret);
187 		return ret;
188 	}
189 	ret = clk_set_rate(rt5682_dai_bclk, 48000 * 64);
190 	if (ret) {
191 		dev_err(rtd->dev, "Error setting bclk rate: %d\n", ret);
192 		return ret;
193 	}
194 	ret = clk_prepare_enable(rt5682_dai_wclk);
195 	if (ret < 0) {
196 		dev_err(rtd->dev, "can't enable wclk %d\n", ret);
197 		return ret;
198 	}
199 	return ret;
200 }
201 
202 static void rt5682_clk_disable(void)
203 {
204 	clk_disable_unprepare(rt5682_dai_wclk);
205 }
206 
207 static const unsigned int channels[] = {
208 	DUAL_CHANNEL,
209 };
210 
211 static const unsigned int rates[] = {
212 	48000,
213 };
214 
215 static const struct snd_pcm_hw_constraint_list constraints_rates = {
216 	.count = ARRAY_SIZE(rates),
217 	.list  = rates,
218 	.mask = 0,
219 };
220 
221 static const struct snd_pcm_hw_constraint_list constraints_channels = {
222 	.count = ARRAY_SIZE(channels),
223 	.list = channels,
224 	.mask = 0,
225 };
226 
227 static int cz_da7219_play_startup(struct snd_pcm_substream *substream)
228 {
229 	struct snd_pcm_runtime *runtime = substream->runtime;
230 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
231 	struct snd_soc_card *card = rtd->card;
232 	struct acp_platform_info *machine = snd_soc_card_get_drvdata(card);
233 
234 	/*
235 	 * On this platform for PCM device we support stereo
236 	 */
237 
238 	runtime->hw.channels_max = DUAL_CHANNEL;
239 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
240 				   &constraints_channels);
241 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
242 				   &constraints_rates);
243 
244 	machine->play_i2s_instance = I2S_SP_INSTANCE;
245 	return da7219_clk_enable(substream);
246 }
247 
248 static int cz_da7219_cap_startup(struct snd_pcm_substream *substream)
249 {
250 	struct snd_pcm_runtime *runtime = substream->runtime;
251 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
252 	struct snd_soc_card *card = rtd->card;
253 	struct acp_platform_info *machine = snd_soc_card_get_drvdata(card);
254 
255 	/*
256 	 * On this platform for PCM device we support stereo
257 	 */
258 
259 	runtime->hw.channels_max = DUAL_CHANNEL;
260 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
261 				   &constraints_channels);
262 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
263 				   &constraints_rates);
264 
265 	machine->cap_i2s_instance = I2S_SP_INSTANCE;
266 	machine->capture_channel = CAP_CHANNEL1;
267 	return da7219_clk_enable(substream);
268 }
269 
270 static int cz_max_startup(struct snd_pcm_substream *substream)
271 {
272 	struct snd_pcm_runtime *runtime = substream->runtime;
273 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
274 	struct snd_soc_card *card = rtd->card;
275 	struct acp_platform_info *machine = snd_soc_card_get_drvdata(card);
276 
277 	/*
278 	 * On this platform for PCM device we support stereo
279 	 */
280 
281 	runtime->hw.channels_max = DUAL_CHANNEL;
282 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
283 				   &constraints_channels);
284 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
285 				   &constraints_rates);
286 
287 	machine->play_i2s_instance = I2S_BT_INSTANCE;
288 	return da7219_clk_enable(substream);
289 }
290 
291 static int cz_dmic0_startup(struct snd_pcm_substream *substream)
292 {
293 	struct snd_pcm_runtime *runtime = substream->runtime;
294 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
295 	struct snd_soc_card *card = rtd->card;
296 	struct acp_platform_info *machine = snd_soc_card_get_drvdata(card);
297 
298 	/*
299 	 * On this platform for PCM device we support stereo
300 	 */
301 
302 	runtime->hw.channels_max = DUAL_CHANNEL;
303 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
304 				   &constraints_channels);
305 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
306 				   &constraints_rates);
307 
308 	machine->cap_i2s_instance = I2S_BT_INSTANCE;
309 	return da7219_clk_enable(substream);
310 }
311 
312 static int cz_dmic1_startup(struct snd_pcm_substream *substream)
313 {
314 	struct snd_pcm_runtime *runtime = substream->runtime;
315 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
316 	struct snd_soc_card *card = rtd->card;
317 	struct acp_platform_info *machine = snd_soc_card_get_drvdata(card);
318 
319 	/*
320 	 * On this platform for PCM device we support stereo
321 	 */
322 
323 	runtime->hw.channels_max = DUAL_CHANNEL;
324 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
325 				   &constraints_channels);
326 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
327 				   &constraints_rates);
328 
329 	machine->cap_i2s_instance = I2S_SP_INSTANCE;
330 	machine->capture_channel = CAP_CHANNEL0;
331 	return da7219_clk_enable(substream);
332 }
333 
334 static void cz_da7219_shutdown(struct snd_pcm_substream *substream)
335 {
336 	da7219_clk_disable();
337 }
338 
339 static int cz_rt5682_play_startup(struct snd_pcm_substream *substream)
340 {
341 	struct snd_pcm_runtime *runtime = substream->runtime;
342 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
343 	struct snd_soc_card *card = rtd->card;
344 	struct acp_platform_info *machine = snd_soc_card_get_drvdata(card);
345 
346 	/*
347 	 * On this platform for PCM device we support stereo
348 	 */
349 
350 	runtime->hw.channels_max = DUAL_CHANNEL;
351 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
352 				   &constraints_channels);
353 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
354 				   &constraints_rates);
355 
356 	machine->play_i2s_instance = I2S_SP_INSTANCE;
357 	return rt5682_clk_enable(substream);
358 }
359 
360 static int cz_rt5682_cap_startup(struct snd_pcm_substream *substream)
361 {
362 	struct snd_pcm_runtime *runtime = substream->runtime;
363 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
364 	struct snd_soc_card *card = rtd->card;
365 	struct acp_platform_info *machine = snd_soc_card_get_drvdata(card);
366 
367 	/*
368 	 * On this platform for PCM device we support stereo
369 	 */
370 
371 	runtime->hw.channels_max = DUAL_CHANNEL;
372 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
373 				   &constraints_channels);
374 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
375 				   &constraints_rates);
376 
377 	machine->cap_i2s_instance = I2S_SP_INSTANCE;
378 	machine->capture_channel = CAP_CHANNEL1;
379 	return rt5682_clk_enable(substream);
380 }
381 
382 static int cz_rt5682_max_startup(struct snd_pcm_substream *substream)
383 {
384 	struct snd_pcm_runtime *runtime = substream->runtime;
385 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
386 	struct snd_soc_card *card = rtd->card;
387 	struct acp_platform_info *machine = snd_soc_card_get_drvdata(card);
388 
389 	/*
390 	 * On this platform for PCM device we support stereo
391 	 */
392 
393 	runtime->hw.channels_max = DUAL_CHANNEL;
394 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
395 				   &constraints_channels);
396 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
397 				   &constraints_rates);
398 
399 	machine->play_i2s_instance = I2S_BT_INSTANCE;
400 	return rt5682_clk_enable(substream);
401 }
402 
403 static int cz_rt5682_dmic0_startup(struct snd_pcm_substream *substream)
404 {
405 	struct snd_pcm_runtime *runtime = substream->runtime;
406 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
407 	struct snd_soc_card *card = rtd->card;
408 	struct acp_platform_info *machine = snd_soc_card_get_drvdata(card);
409 
410 	/*
411 	 * On this platform for PCM device we support stereo
412 	 */
413 
414 	runtime->hw.channels_max = DUAL_CHANNEL;
415 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
416 				   &constraints_channels);
417 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
418 				   &constraints_rates);
419 
420 	machine->cap_i2s_instance = I2S_BT_INSTANCE;
421 	return rt5682_clk_enable(substream);
422 }
423 
424 static int cz_rt5682_dmic1_startup(struct snd_pcm_substream *substream)
425 {
426 	struct snd_pcm_runtime *runtime = substream->runtime;
427 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
428 	struct snd_soc_card *card = rtd->card;
429 	struct acp_platform_info *machine = snd_soc_card_get_drvdata(card);
430 
431 	/*
432 	 * On this platform for PCM device we support stereo
433 	 */
434 
435 	runtime->hw.channels_max = DUAL_CHANNEL;
436 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
437 				   &constraints_channels);
438 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
439 				   &constraints_rates);
440 
441 	machine->cap_i2s_instance = I2S_SP_INSTANCE;
442 	machine->capture_channel = CAP_CHANNEL0;
443 	return rt5682_clk_enable(substream);
444 }
445 
446 static void cz_rt5682_shutdown(struct snd_pcm_substream *substream)
447 {
448 	rt5682_clk_disable();
449 }
450 
451 static const struct snd_soc_ops cz_da7219_play_ops = {
452 	.startup = cz_da7219_play_startup,
453 	.shutdown = cz_da7219_shutdown,
454 };
455 
456 static const struct snd_soc_ops cz_da7219_cap_ops = {
457 	.startup = cz_da7219_cap_startup,
458 	.shutdown = cz_da7219_shutdown,
459 };
460 
461 static const struct snd_soc_ops cz_max_play_ops = {
462 	.startup = cz_max_startup,
463 	.shutdown = cz_da7219_shutdown,
464 };
465 
466 static const struct snd_soc_ops cz_dmic0_cap_ops = {
467 	.startup = cz_dmic0_startup,
468 	.shutdown = cz_da7219_shutdown,
469 };
470 
471 static const struct snd_soc_ops cz_dmic1_cap_ops = {
472 	.startup = cz_dmic1_startup,
473 	.shutdown = cz_da7219_shutdown,
474 };
475 
476 static const struct snd_soc_ops cz_rt5682_play_ops = {
477 	.startup = cz_rt5682_play_startup,
478 	.shutdown = cz_rt5682_shutdown,
479 };
480 
481 static const struct snd_soc_ops cz_rt5682_cap_ops = {
482 	.startup = cz_rt5682_cap_startup,
483 	.shutdown = cz_rt5682_shutdown,
484 };
485 
486 static const struct snd_soc_ops cz_rt5682_max_play_ops = {
487 	.startup = cz_rt5682_max_startup,
488 	.shutdown = cz_rt5682_shutdown,
489 };
490 
491 static const struct snd_soc_ops cz_rt5682_dmic0_cap_ops = {
492 	.startup = cz_rt5682_dmic0_startup,
493 	.shutdown = cz_rt5682_shutdown,
494 };
495 
496 static const struct snd_soc_ops cz_rt5682_dmic1_cap_ops = {
497 	.startup = cz_rt5682_dmic1_startup,
498 	.shutdown = cz_rt5682_shutdown,
499 };
500 
501 SND_SOC_DAILINK_DEF(designware1,
502 	DAILINK_COMP_ARRAY(COMP_CPU("designware-i2s.1.auto")));
503 SND_SOC_DAILINK_DEF(designware2,
504 	DAILINK_COMP_ARRAY(COMP_CPU("designware-i2s.2.auto")));
505 SND_SOC_DAILINK_DEF(designware3,
506 	DAILINK_COMP_ARRAY(COMP_CPU("designware-i2s.3.auto")));
507 
508 SND_SOC_DAILINK_DEF(dlgs,
509 	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-DLGS7219:00", "da7219-hifi")));
510 SND_SOC_DAILINK_DEF(rt5682,
511 	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5682:00", "rt5682-aif1")));
512 SND_SOC_DAILINK_DEF(mx,
513 	DAILINK_COMP_ARRAY(COMP_CODEC("MX98357A:00", "HiFi")));
514 SND_SOC_DAILINK_DEF(adau,
515 	DAILINK_COMP_ARRAY(COMP_CODEC("ADAU7002:00", "adau7002-hifi")));
516 
517 SND_SOC_DAILINK_DEF(platform,
518 	DAILINK_COMP_ARRAY(COMP_PLATFORM("acp_audio_dma.0.auto")));
519 
520 static struct snd_soc_dai_link cz_dai_7219_98357[] = {
521 	{
522 		.name = "amd-da7219-play",
523 		.stream_name = "Playback",
524 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
525 				| SND_SOC_DAIFMT_CBP_CFP,
526 		.init = cz_da7219_init,
527 		.dpcm_playback = 1,
528 		.stop_dma_first = 1,
529 		.ops = &cz_da7219_play_ops,
530 		SND_SOC_DAILINK_REG(designware1, dlgs, platform),
531 	},
532 	{
533 		.name = "amd-da7219-cap",
534 		.stream_name = "Capture",
535 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
536 				| SND_SOC_DAIFMT_CBP_CFP,
537 		.dpcm_capture = 1,
538 		.stop_dma_first = 1,
539 		.ops = &cz_da7219_cap_ops,
540 		SND_SOC_DAILINK_REG(designware2, dlgs, platform),
541 	},
542 	{
543 		.name = "amd-max98357-play",
544 		.stream_name = "HiFi Playback",
545 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
546 				| SND_SOC_DAIFMT_CBP_CFP,
547 		.dpcm_playback = 1,
548 		.stop_dma_first = 1,
549 		.ops = &cz_max_play_ops,
550 		SND_SOC_DAILINK_REG(designware3, mx, platform),
551 	},
552 	{
553 		/* C panel DMIC */
554 		.name = "dmic0",
555 		.stream_name = "DMIC0 Capture",
556 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
557 				| SND_SOC_DAIFMT_CBP_CFP,
558 		.dpcm_capture = 1,
559 		.stop_dma_first = 1,
560 		.ops = &cz_dmic0_cap_ops,
561 		SND_SOC_DAILINK_REG(designware3, adau, platform),
562 	},
563 	{
564 		/* A/B panel DMIC */
565 		.name = "dmic1",
566 		.stream_name = "DMIC1 Capture",
567 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
568 				| SND_SOC_DAIFMT_CBP_CFP,
569 		.dpcm_capture = 1,
570 		.stop_dma_first = 1,
571 		.ops = &cz_dmic1_cap_ops,
572 		SND_SOC_DAILINK_REG(designware2, adau, platform),
573 	},
574 };
575 
576 static struct snd_soc_dai_link cz_dai_5682_98357[] = {
577 	{
578 		.name = "amd-rt5682-play",
579 		.stream_name = "Playback",
580 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
581 				| SND_SOC_DAIFMT_CBP_CFP,
582 		.init = cz_rt5682_init,
583 		.dpcm_playback = 1,
584 		.stop_dma_first = 1,
585 		.ops = &cz_rt5682_play_ops,
586 		SND_SOC_DAILINK_REG(designware1, rt5682, platform),
587 	},
588 	{
589 		.name = "amd-rt5682-cap",
590 		.stream_name = "Capture",
591 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
592 				| SND_SOC_DAIFMT_CBP_CFP,
593 		.dpcm_capture = 1,
594 		.stop_dma_first = 1,
595 		.ops = &cz_rt5682_cap_ops,
596 		SND_SOC_DAILINK_REG(designware2, rt5682, platform),
597 	},
598 	{
599 		.name = "amd-max98357-play",
600 		.stream_name = "HiFi Playback",
601 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
602 				| SND_SOC_DAIFMT_CBP_CFP,
603 		.dpcm_playback = 1,
604 		.stop_dma_first = 1,
605 		.ops = &cz_rt5682_max_play_ops,
606 		SND_SOC_DAILINK_REG(designware3, mx, platform),
607 	},
608 	{
609 		/* C panel DMIC */
610 		.name = "dmic0",
611 		.stream_name = "DMIC0 Capture",
612 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
613 				| SND_SOC_DAIFMT_CBP_CFP,
614 		.dpcm_capture = 1,
615 		.stop_dma_first = 1,
616 		.ops = &cz_rt5682_dmic0_cap_ops,
617 		SND_SOC_DAILINK_REG(designware3, adau, platform),
618 	},
619 	{
620 		/* A/B panel DMIC */
621 		.name = "dmic1",
622 		.stream_name = "DMIC1 Capture",
623 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
624 				| SND_SOC_DAIFMT_CBP_CFP,
625 		.dpcm_capture = 1,
626 		.stop_dma_first = 1,
627 		.ops = &cz_rt5682_dmic1_cap_ops,
628 		SND_SOC_DAILINK_REG(designware2, adau, platform),
629 	},
630 };
631 
632 static const struct snd_soc_dapm_widget cz_widgets[] = {
633 	SND_SOC_DAPM_HP("Headphones", NULL),
634 	SND_SOC_DAPM_SPK("Speakers", NULL),
635 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
636 	SND_SOC_DAPM_MIC("Int Mic", NULL),
637 };
638 
639 static const struct snd_soc_dapm_route cz_audio_route[] = {
640 	{"Headphones", NULL, "HPL"},
641 	{"Headphones", NULL, "HPR"},
642 	{"MIC", NULL, "Headset Mic"},
643 	{"Speakers", NULL, "Speaker"},
644 	{"PDM_DAT", NULL, "Int Mic"},
645 };
646 
647 static const struct snd_soc_dapm_route cz_rt5682_audio_route[] = {
648 	{"Headphones", NULL, "HPOL"},
649 	{"Headphones", NULL, "HPOR"},
650 	{"IN1P", NULL, "Headset Mic"},
651 	{"Speakers", NULL, "Speaker"},
652 	{"PDM_DAT", NULL, "Int Mic"},
653 };
654 
655 static const struct snd_kcontrol_new cz_mc_controls[] = {
656 	SOC_DAPM_PIN_SWITCH("Headphones"),
657 	SOC_DAPM_PIN_SWITCH("Speakers"),
658 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
659 	SOC_DAPM_PIN_SWITCH("Int Mic"),
660 };
661 
662 static struct snd_soc_card cz_card = {
663 	.name = "acpd7219m98357",
664 	.owner = THIS_MODULE,
665 	.dai_link = cz_dai_7219_98357,
666 	.num_links = ARRAY_SIZE(cz_dai_7219_98357),
667 	.dapm_widgets = cz_widgets,
668 	.num_dapm_widgets = ARRAY_SIZE(cz_widgets),
669 	.dapm_routes = cz_audio_route,
670 	.num_dapm_routes = ARRAY_SIZE(cz_audio_route),
671 	.controls = cz_mc_controls,
672 	.num_controls = ARRAY_SIZE(cz_mc_controls),
673 };
674 
675 static struct snd_soc_card cz_rt5682_card = {
676 	.name = "acpr5682m98357",
677 	.owner = THIS_MODULE,
678 	.dai_link = cz_dai_5682_98357,
679 	.num_links = ARRAY_SIZE(cz_dai_5682_98357),
680 	.dapm_widgets = cz_widgets,
681 	.num_dapm_widgets = ARRAY_SIZE(cz_widgets),
682 	.dapm_routes = cz_rt5682_audio_route,
683 	.controls = cz_mc_controls,
684 	.num_controls = ARRAY_SIZE(cz_mc_controls),
685 };
686 
687 void *acp_soc_is_rltk_max(struct device *dev)
688 {
689 	const struct acpi_device_id *match;
690 
691 	match = acpi_match_device(dev->driver->acpi_match_table, dev);
692 	if (!match)
693 		return NULL;
694 	return (void *)match->driver_data;
695 }
696 
697 static struct regulator_consumer_supply acp_da7219_supplies[] = {
698 	REGULATOR_SUPPLY("VDD", "i2c-DLGS7219:00"),
699 	REGULATOR_SUPPLY("VDDMIC", "i2c-DLGS7219:00"),
700 	REGULATOR_SUPPLY("VDDIO", "i2c-DLGS7219:00"),
701 	REGULATOR_SUPPLY("IOVDD", "ADAU7002:00"),
702 };
703 
704 static struct regulator_init_data acp_da7219_data = {
705 	.constraints = {
706 		.always_on = 1,
707 	},
708 	.num_consumer_supplies = ARRAY_SIZE(acp_da7219_supplies),
709 	.consumer_supplies = acp_da7219_supplies,
710 };
711 
712 static struct regulator_config acp_da7219_cfg = {
713 	.init_data = &acp_da7219_data,
714 };
715 
716 static struct regulator_ops acp_da7219_ops = {
717 };
718 
719 static const struct regulator_desc acp_da7219_desc = {
720 	.name = "reg-fixed-1.8V",
721 	.type = REGULATOR_VOLTAGE,
722 	.owner = THIS_MODULE,
723 	.ops = &acp_da7219_ops,
724 	.fixed_uV = 1800000, /* 1.8V */
725 	.n_voltages = 1,
726 };
727 
728 static int cz_probe(struct platform_device *pdev)
729 {
730 	int ret;
731 	struct snd_soc_card *card;
732 	struct acp_platform_info *machine;
733 	struct regulator_dev *rdev;
734 	struct device *dev = &pdev->dev;
735 
736 	card = (struct snd_soc_card *)acp_soc_is_rltk_max(dev);
737 	if (!card)
738 		return -ENODEV;
739 	if (!strcmp(card->name, "acpd7219m98357")) {
740 		acp_da7219_cfg.dev = &pdev->dev;
741 		rdev = devm_regulator_register(&pdev->dev, &acp_da7219_desc,
742 					       &acp_da7219_cfg);
743 		if (IS_ERR(rdev)) {
744 			dev_err(&pdev->dev, "Failed to register regulator: %d\n",
745 				(int)PTR_ERR(rdev));
746 			return -EINVAL;
747 		}
748 	}
749 
750 	machine = devm_kzalloc(&pdev->dev, sizeof(struct acp_platform_info),
751 			       GFP_KERNEL);
752 	if (!machine)
753 		return -ENOMEM;
754 	card->dev = &pdev->dev;
755 	platform_set_drvdata(pdev, card);
756 	snd_soc_card_set_drvdata(card, machine);
757 	ret = devm_snd_soc_register_card(&pdev->dev, card);
758 	if (ret) {
759 		return dev_err_probe(&pdev->dev, ret,
760 				"devm_snd_soc_register_card(%s) failed\n",
761 				card->name);
762 	}
763 	acp_bt_uart_enable = !device_property_read_bool(&pdev->dev,
764 							"bt-pad-enable");
765 	return 0;
766 }
767 
768 #ifdef CONFIG_ACPI
769 static const struct acpi_device_id cz_audio_acpi_match[] = {
770 	{ "AMD7219", (unsigned long)&cz_card },
771 	{ "AMDI5682", (unsigned long)&cz_rt5682_card},
772 	{},
773 };
774 MODULE_DEVICE_TABLE(acpi, cz_audio_acpi_match);
775 #endif
776 
777 static struct platform_driver cz_pcm_driver = {
778 	.driver = {
779 		.name = "cz-da7219-max98357a",
780 		.acpi_match_table = ACPI_PTR(cz_audio_acpi_match),
781 		.pm = &snd_soc_pm_ops,
782 	},
783 	.probe = cz_probe,
784 };
785 
786 module_platform_driver(cz_pcm_driver);
787 
788 MODULE_AUTHOR("akshu.agrawal@amd.com");
789 MODULE_AUTHOR("Vijendar.Mukunda@amd.com");
790 MODULE_DESCRIPTION("DA7219, RT5682 & MAX98357A audio support");
791 MODULE_LICENSE("GPL v2");
792