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1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Intel Kabylake I2S Machine Driver with MAXIM98927
4  * and RT5663 Codecs
5  *
6  * Copyright (C) 2017, Intel Corporation. All rights reserved.
7  *
8  * Modified from:
9  *   Intel Skylake I2S Machine driver
10  */
11 
12 #include <linux/input.h>
13 #include <linux/module.h>
14 #include <linux/platform_device.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 <sound/soc-acpi.h>
21 #include "../../codecs/rt5663.h"
22 #include "../../codecs/hdac_hdmi.h"
23 #include <linux/clk.h>
24 #include <linux/clk-provider.h>
25 #include <linux/clkdev.h>
26 
27 #define KBL_REALTEK_CODEC_DAI "rt5663-aif"
28 #define KBL_MAXIM_CODEC_DAI "max98927-aif1"
29 #define DMIC_CH(p) p->list[p->count-1]
30 #define MAXIM_DEV0_NAME "i2c-MX98927:00"
31 #define MAXIM_DEV1_NAME "i2c-MX98927:01"
32 
33 static struct snd_soc_card *kabylake_audio_card;
34 static const struct snd_pcm_hw_constraint_list *dmic_constraints;
35 static struct snd_soc_jack skylake_hdmi[3];
36 
37 struct kbl_hdmi_pcm {
38 	struct list_head head;
39 	struct snd_soc_dai *codec_dai;
40 	int device;
41 };
42 
43 struct kbl_rt5663_private {
44 	struct snd_soc_jack kabylake_headset;
45 	struct list_head hdmi_pcm_list;
46 	struct clk *mclk;
47 	struct clk *sclk;
48 };
49 
50 enum {
51 	KBL_DPCM_AUDIO_PB = 0,
52 	KBL_DPCM_AUDIO_CP,
53 	KBL_DPCM_AUDIO_HS_PB,
54 	KBL_DPCM_AUDIO_ECHO_REF_CP,
55 	KBL_DPCM_AUDIO_REF_CP,
56 	KBL_DPCM_AUDIO_DMIC_CP,
57 	KBL_DPCM_AUDIO_HDMI1_PB,
58 	KBL_DPCM_AUDIO_HDMI2_PB,
59 	KBL_DPCM_AUDIO_HDMI3_PB,
60 };
61 
62 static const struct snd_kcontrol_new kabylake_controls[] = {
63 	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
64 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
65 	SOC_DAPM_PIN_SWITCH("Left Spk"),
66 	SOC_DAPM_PIN_SWITCH("Right Spk"),
67 };
68 
platform_clock_control(struct snd_soc_dapm_widget * w,struct snd_kcontrol * k,int event)69 static int platform_clock_control(struct snd_soc_dapm_widget *w,
70 			struct snd_kcontrol *k, int  event)
71 {
72 	struct snd_soc_dapm_context *dapm = w->dapm;
73 	struct snd_soc_card *card = dapm->card;
74 	struct kbl_rt5663_private *priv = snd_soc_card_get_drvdata(card);
75 	int ret = 0;
76 
77 	/*
78 	 * MCLK/SCLK need to be ON early for a successful synchronization of
79 	 * codec internal clock. And the clocks are turned off during
80 	 * POST_PMD after the stream is stopped.
81 	 */
82 	switch (event) {
83 	case SND_SOC_DAPM_PRE_PMU:
84 		/* Enable MCLK */
85 		ret = clk_set_rate(priv->mclk, 24000000);
86 		if (ret < 0) {
87 			dev_err(card->dev, "Can't set rate for mclk, err: %d\n",
88 				ret);
89 			return ret;
90 		}
91 
92 		ret = clk_prepare_enable(priv->mclk);
93 		if (ret < 0) {
94 			dev_err(card->dev, "Can't enable mclk, err: %d\n", ret);
95 			return ret;
96 		}
97 
98 		/* Enable SCLK */
99 		ret = clk_set_rate(priv->sclk, 3072000);
100 		if (ret < 0) {
101 			dev_err(card->dev, "Can't set rate for sclk, err: %d\n",
102 				ret);
103 			clk_disable_unprepare(priv->mclk);
104 			return ret;
105 		}
106 
107 		ret = clk_prepare_enable(priv->sclk);
108 		if (ret < 0) {
109 			dev_err(card->dev, "Can't enable sclk, err: %d\n", ret);
110 			clk_disable_unprepare(priv->mclk);
111 		}
112 		break;
113 	case SND_SOC_DAPM_POST_PMD:
114 		clk_disable_unprepare(priv->mclk);
115 		clk_disable_unprepare(priv->sclk);
116 		break;
117 	default:
118 		return 0;
119 	}
120 
121 	return 0;
122 }
123 
124 static const struct snd_soc_dapm_widget kabylake_widgets[] = {
125 	SND_SOC_DAPM_HP("Headphone Jack", NULL),
126 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
127 	SND_SOC_DAPM_SPK("Left Spk", NULL),
128 	SND_SOC_DAPM_SPK("Right Spk", NULL),
129 	SND_SOC_DAPM_MIC("SoC DMIC", NULL),
130 	SND_SOC_DAPM_SPK("HDMI1", NULL),
131 	SND_SOC_DAPM_SPK("HDMI2", NULL),
132 	SND_SOC_DAPM_SPK("HDMI3", NULL),
133 	SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
134 			platform_clock_control, SND_SOC_DAPM_PRE_PMU |
135 			SND_SOC_DAPM_POST_PMD),
136 };
137 
138 static const struct snd_soc_dapm_route kabylake_map[] = {
139 	/* HP jack connectors - unknown if we have jack detection */
140 	{ "Headphone Jack", NULL, "Platform Clock" },
141 	{ "Headphone Jack", NULL, "HPOL" },
142 	{ "Headphone Jack", NULL, "HPOR" },
143 
144 	/* speaker */
145 	{ "Left Spk", NULL, "Left BE_OUT" },
146 	{ "Right Spk", NULL, "Right BE_OUT" },
147 
148 	/* other jacks */
149 	{ "Headset Mic", NULL, "Platform Clock" },
150 	{ "IN1P", NULL, "Headset Mic" },
151 	{ "IN1N", NULL, "Headset Mic" },
152 	{ "DMic", NULL, "SoC DMIC" },
153 
154 	/* CODEC BE connections */
155 	{ "Left HiFi Playback", NULL, "ssp0 Tx" },
156 	{ "Right HiFi Playback", NULL, "ssp0 Tx" },
157 	{ "ssp0 Tx", NULL, "spk_out" },
158 
159 	{ "AIF Playback", NULL, "ssp1 Tx" },
160 	{ "ssp1 Tx", NULL, "codec1_out" },
161 
162 	{ "hs_in", NULL, "ssp1 Rx" },
163 	{ "ssp1 Rx", NULL, "AIF Capture" },
164 
165 	/* IV feedback path */
166 	{ "codec0_fb_in", NULL, "ssp0 Rx"},
167 	{ "ssp0 Rx", NULL, "Left HiFi Capture" },
168 	{ "ssp0 Rx", NULL, "Right HiFi Capture" },
169 
170 	/* DMIC */
171 	{ "dmic01_hifi", NULL, "DMIC01 Rx" },
172 	{ "DMIC01 Rx", NULL, "DMIC AIF" },
173 
174 	{ "hifi3", NULL, "iDisp3 Tx"},
175 	{ "iDisp3 Tx", NULL, "iDisp3_out"},
176 	{ "hifi2", NULL, "iDisp2 Tx"},
177 	{ "iDisp2 Tx", NULL, "iDisp2_out"},
178 	{ "hifi1", NULL, "iDisp1 Tx"},
179 	{ "iDisp1 Tx", NULL, "iDisp1_out"},
180 };
181 
182 enum {
183 	KBL_DPCM_AUDIO_5663_PB = 0,
184 	KBL_DPCM_AUDIO_5663_CP,
185 	KBL_DPCM_AUDIO_5663_HDMI1_PB,
186 	KBL_DPCM_AUDIO_5663_HDMI2_PB,
187 };
188 
189 static const struct snd_kcontrol_new kabylake_5663_controls[] = {
190 	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
191 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
192 };
193 
194 static const struct snd_soc_dapm_widget kabylake_5663_widgets[] = {
195 	SND_SOC_DAPM_HP("Headphone Jack", NULL),
196 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
197 	SND_SOC_DAPM_SPK("DP", NULL),
198 	SND_SOC_DAPM_SPK("HDMI", NULL),
199 	SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
200 			platform_clock_control, SND_SOC_DAPM_PRE_PMU |
201 			SND_SOC_DAPM_POST_PMD),
202 };
203 
204 static const struct snd_soc_dapm_route kabylake_5663_map[] = {
205 	{ "Headphone Jack", NULL, "Platform Clock" },
206 	{ "Headphone Jack", NULL, "HPOL" },
207 	{ "Headphone Jack", NULL, "HPOR" },
208 
209 	/* other jacks */
210 	{ "Headset Mic", NULL, "Platform Clock" },
211 	{ "IN1P", NULL, "Headset Mic" },
212 	{ "IN1N", NULL, "Headset Mic" },
213 
214 	{ "HDMI", NULL, "hif5 Output" },
215 	{ "DP", NULL, "hif6 Output" },
216 
217 	/* CODEC BE connections */
218 	{ "AIF Playback", NULL, "ssp1 Tx" },
219 	{ "ssp1 Tx", NULL, "codec1_out" },
220 
221 	{ "codec0_in", NULL, "ssp1 Rx" },
222 	{ "ssp1 Rx", NULL, "AIF Capture" },
223 
224 	{ "hifi2", NULL, "iDisp2 Tx"},
225 	{ "iDisp2 Tx", NULL, "iDisp2_out"},
226 	{ "hifi1", NULL, "iDisp1 Tx"},
227 	{ "iDisp1 Tx", NULL, "iDisp1_out"},
228 };
229 
230 static struct snd_soc_codec_conf max98927_codec_conf[] = {
231 	{
232 		.dlc = COMP_CODEC_CONF(MAXIM_DEV0_NAME),
233 		.name_prefix = "Right",
234 	},
235 	{
236 		.dlc = COMP_CODEC_CONF(MAXIM_DEV1_NAME),
237 		.name_prefix = "Left",
238 	},
239 };
240 
kabylake_rt5663_fe_init(struct snd_soc_pcm_runtime * rtd)241 static int kabylake_rt5663_fe_init(struct snd_soc_pcm_runtime *rtd)
242 {
243 	int ret;
244 	struct snd_soc_dapm_context *dapm;
245 	struct snd_soc_component *component = asoc_rtd_to_cpu(rtd, 0)->component;
246 
247 	dapm = snd_soc_component_get_dapm(component);
248 	ret = snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
249 	if (ret) {
250 		dev_err(rtd->dev, "Ref Cap ignore suspend failed %d\n", ret);
251 		return ret;
252 	}
253 
254 	return ret;
255 }
256 
kabylake_rt5663_codec_init(struct snd_soc_pcm_runtime * rtd)257 static int kabylake_rt5663_codec_init(struct snd_soc_pcm_runtime *rtd)
258 {
259 	int ret;
260 	struct kbl_rt5663_private *ctx = snd_soc_card_get_drvdata(rtd->card);
261 	struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
262 	struct snd_soc_jack *jack;
263 
264 	/*
265 	 * Headset buttons map to the google Reference headset.
266 	 * These can be configured by userspace.
267 	 */
268 	ret = snd_soc_card_jack_new(kabylake_audio_card, "Headset Jack",
269 			SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
270 			SND_JACK_BTN_2 | SND_JACK_BTN_3, &ctx->kabylake_headset,
271 			NULL, 0);
272 	if (ret) {
273 		dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret);
274 		return ret;
275 	}
276 
277 	jack = &ctx->kabylake_headset;
278 	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
279 	snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
280 	snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
281 	snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
282 
283 	snd_soc_component_set_jack(component, &ctx->kabylake_headset, NULL);
284 
285 	return ret;
286 }
287 
kabylake_rt5663_max98927_codec_init(struct snd_soc_pcm_runtime * rtd)288 static int kabylake_rt5663_max98927_codec_init(struct snd_soc_pcm_runtime *rtd)
289 {
290 	int ret;
291 
292 	ret = kabylake_rt5663_codec_init(rtd);
293 	if (ret)
294 		return ret;
295 
296 	ret = snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
297 	if (ret) {
298 		dev_err(rtd->dev, "SoC DMIC ignore suspend failed %d\n", ret);
299 		return ret;
300 	}
301 
302 	return ret;
303 }
304 
kabylake_hdmi_init(struct snd_soc_pcm_runtime * rtd,int device)305 static int kabylake_hdmi_init(struct snd_soc_pcm_runtime *rtd, int device)
306 {
307 	struct kbl_rt5663_private *ctx = snd_soc_card_get_drvdata(rtd->card);
308 	struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
309 	struct kbl_hdmi_pcm *pcm;
310 
311 	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
312 	if (!pcm)
313 		return -ENOMEM;
314 
315 	pcm->device = device;
316 	pcm->codec_dai = dai;
317 
318 	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
319 
320 	return 0;
321 }
322 
kabylake_hdmi1_init(struct snd_soc_pcm_runtime * rtd)323 static int kabylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
324 {
325 	return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI1_PB);
326 }
327 
kabylake_hdmi2_init(struct snd_soc_pcm_runtime * rtd)328 static int kabylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
329 {
330 	return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI2_PB);
331 }
332 
kabylake_hdmi3_init(struct snd_soc_pcm_runtime * rtd)333 static int kabylake_hdmi3_init(struct snd_soc_pcm_runtime *rtd)
334 {
335 	return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI3_PB);
336 }
337 
kabylake_5663_hdmi1_init(struct snd_soc_pcm_runtime * rtd)338 static int kabylake_5663_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
339 {
340 	return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_5663_HDMI1_PB);
341 }
342 
kabylake_5663_hdmi2_init(struct snd_soc_pcm_runtime * rtd)343 static int kabylake_5663_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
344 {
345 	return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_5663_HDMI2_PB);
346 }
347 
348 static unsigned int rates[] = {
349 	48000,
350 };
351 
352 static const struct snd_pcm_hw_constraint_list constraints_rates = {
353 	.count = ARRAY_SIZE(rates),
354 	.list  = rates,
355 	.mask = 0,
356 };
357 
358 static unsigned int channels[] = {
359 	2,
360 };
361 
362 static const struct snd_pcm_hw_constraint_list constraints_channels = {
363 	.count = ARRAY_SIZE(channels),
364 	.list = channels,
365 	.mask = 0,
366 };
367 
kbl_fe_startup(struct snd_pcm_substream * substream)368 static int kbl_fe_startup(struct snd_pcm_substream *substream)
369 {
370 	struct snd_pcm_runtime *runtime = substream->runtime;
371 
372 	/*
373 	 * On this platform for PCM device we support,
374 	 * 48Khz
375 	 * stereo
376 	 * 16 bit audio
377 	 */
378 
379 	runtime->hw.channels_max = 2;
380 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
381 					   &constraints_channels);
382 
383 	runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
384 	snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
385 
386 	snd_pcm_hw_constraint_list(runtime, 0,
387 				SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
388 
389 	return 0;
390 }
391 
392 static const struct snd_soc_ops kabylake_rt5663_fe_ops = {
393 	.startup = kbl_fe_startup,
394 };
395 
kabylake_ssp_fixup(struct snd_soc_pcm_runtime * rtd,struct snd_pcm_hw_params * params)396 static int kabylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd,
397 	struct snd_pcm_hw_params *params)
398 {
399 	struct snd_interval *rate = hw_param_interval(params,
400 			SNDRV_PCM_HW_PARAM_RATE);
401 	struct snd_interval *chan = hw_param_interval(params,
402 			SNDRV_PCM_HW_PARAM_CHANNELS);
403 	struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
404 	struct snd_soc_dpcm *dpcm, *rtd_dpcm = NULL;
405 
406 	/*
407 	 * The following loop will be called only for playback stream
408 	 * In this platform, there is only one playback device on every SSP
409 	 */
410 	for_each_dpcm_fe(rtd, SNDRV_PCM_STREAM_PLAYBACK, dpcm) {
411 		rtd_dpcm = dpcm;
412 		break;
413 	}
414 
415 	/*
416 	 * This following loop will be called only for capture stream
417 	 * In this platform, there is only one capture device on every SSP
418 	 */
419 	for_each_dpcm_fe(rtd, SNDRV_PCM_STREAM_CAPTURE, dpcm) {
420 		rtd_dpcm = dpcm;
421 		break;
422 	}
423 
424 	if (!rtd_dpcm)
425 		return -EINVAL;
426 
427 	/*
428 	 * The above 2 loops are mutually exclusive based on the stream direction,
429 	 * thus rtd_dpcm variable will never be overwritten
430 	 */
431 
432 	/*
433 	 * The ADSP will convert the FE rate to 48k, stereo, 24 bit
434 	 */
435 	if (!strcmp(rtd_dpcm->fe->dai_link->name, "Kbl Audio Port") ||
436 	    !strcmp(rtd_dpcm->fe->dai_link->name, "Kbl Audio Headset Playback") ||
437 	    !strcmp(rtd_dpcm->fe->dai_link->name, "Kbl Audio Capture Port")) {
438 		rate->min = rate->max = 48000;
439 		chan->min = chan->max = 2;
440 		snd_mask_none(fmt);
441 		snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
442 	}
443 	/*
444 	 * The speaker on the SSP0 supports S16_LE and not S24_LE.
445 	 * thus changing the mask here
446 	 */
447 	if (!strcmp(rtd_dpcm->be->dai_link->name, "SSP0-Codec"))
448 		snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE);
449 
450 	return 0;
451 }
452 
kabylake_rt5663_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)453 static int kabylake_rt5663_hw_params(struct snd_pcm_substream *substream,
454 	struct snd_pcm_hw_params *params)
455 {
456 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
457 	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
458 	int ret;
459 
460 	/* use ASRC for internal clocks, as PLL rate isn't multiple of BCLK */
461 	rt5663_sel_asrc_clk_src(codec_dai->component,
462 			RT5663_DA_STEREO_FILTER | RT5663_AD_STEREO_FILTER,
463 			RT5663_CLK_SEL_I2S1_ASRC);
464 
465 	ret = snd_soc_dai_set_sysclk(codec_dai,
466 			RT5663_SCLK_S_MCLK, 24576000, SND_SOC_CLOCK_IN);
467 	if (ret < 0)
468 		dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
469 
470 	return ret;
471 }
472 
473 static struct snd_soc_ops kabylake_rt5663_ops = {
474 	.hw_params = kabylake_rt5663_hw_params,
475 };
476 
kabylake_dmic_fixup(struct snd_soc_pcm_runtime * rtd,struct snd_pcm_hw_params * params)477 static int kabylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
478 		struct snd_pcm_hw_params *params)
479 {
480 	struct snd_interval *chan = hw_param_interval(params,
481 				SNDRV_PCM_HW_PARAM_CHANNELS);
482 
483 	if (params_channels(params) == 2 || DMIC_CH(dmic_constraints) == 2)
484 		chan->min = chan->max = 2;
485 	else
486 		chan->min = chan->max = 4;
487 
488 	return 0;
489 }
490 
kabylake_ssp0_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)491 static int kabylake_ssp0_hw_params(struct snd_pcm_substream *substream,
492 					struct snd_pcm_hw_params *params)
493 {
494 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
495 	struct snd_soc_dai *codec_dai;
496 	int ret = 0, j;
497 
498 	for_each_rtd_codec_dais(rtd, j, codec_dai) {
499 		if (!strcmp(codec_dai->component->name, MAXIM_DEV0_NAME)) {
500 			/*
501 			 * Use channel 4 and 5 for the first amp
502 			 */
503 			ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x30, 3, 8, 16);
504 			if (ret < 0) {
505 				dev_err(rtd->dev, "set TDM slot err:%d\n", ret);
506 				return ret;
507 			}
508 		}
509 		if (!strcmp(codec_dai->component->name, MAXIM_DEV1_NAME)) {
510 			/*
511 			 * Use channel 6 and 7 for the second amp
512 			 */
513 			ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xC0, 3, 8, 16);
514 			if (ret < 0) {
515 				dev_err(rtd->dev, "set TDM slot err:%d\n", ret);
516 				return ret;
517 			}
518 		}
519 	}
520 	return ret;
521 }
522 
523 static struct snd_soc_ops kabylake_ssp0_ops = {
524 	.hw_params = kabylake_ssp0_hw_params,
525 };
526 
527 static unsigned int channels_dmic[] = {
528 	2, 4,
529 };
530 
531 static struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
532 	.count = ARRAY_SIZE(channels_dmic),
533 	.list = channels_dmic,
534 	.mask = 0,
535 };
536 
537 static const unsigned int dmic_2ch[] = {
538 	2,
539 };
540 
541 static const struct snd_pcm_hw_constraint_list constraints_dmic_2ch = {
542 	.count = ARRAY_SIZE(dmic_2ch),
543 	.list = dmic_2ch,
544 	.mask = 0,
545 };
546 
kabylake_dmic_startup(struct snd_pcm_substream * substream)547 static int kabylake_dmic_startup(struct snd_pcm_substream *substream)
548 {
549 	struct snd_pcm_runtime *runtime = substream->runtime;
550 
551 	runtime->hw.channels_max = DMIC_CH(dmic_constraints);
552 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
553 			dmic_constraints);
554 
555 	return snd_pcm_hw_constraint_list(substream->runtime, 0,
556 			SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
557 }
558 
559 static struct snd_soc_ops kabylake_dmic_ops = {
560 	.startup = kabylake_dmic_startup,
561 };
562 
563 static unsigned int rates_16000[] = {
564 	16000,
565 };
566 
567 static const struct snd_pcm_hw_constraint_list constraints_16000 = {
568 	.count = ARRAY_SIZE(rates_16000),
569 	.list  = rates_16000,
570 };
571 
572 static const unsigned int ch_mono[] = {
573 	1,
574 };
575 
576 static const struct snd_pcm_hw_constraint_list constraints_refcap = {
577 	.count = ARRAY_SIZE(ch_mono),
578 	.list  = ch_mono,
579 };
580 
kabylake_refcap_startup(struct snd_pcm_substream * substream)581 static int kabylake_refcap_startup(struct snd_pcm_substream *substream)
582 {
583 	substream->runtime->hw.channels_max = 1;
584 	snd_pcm_hw_constraint_list(substream->runtime, 0,
585 					SNDRV_PCM_HW_PARAM_CHANNELS,
586 					&constraints_refcap);
587 
588 	return snd_pcm_hw_constraint_list(substream->runtime, 0,
589 				SNDRV_PCM_HW_PARAM_RATE,
590 				&constraints_16000);
591 }
592 
593 static struct snd_soc_ops skylake_refcap_ops = {
594 	.startup = kabylake_refcap_startup,
595 };
596 
597 SND_SOC_DAILINK_DEF(dummy,
598 	DAILINK_COMP_ARRAY(COMP_DUMMY()));
599 
600 SND_SOC_DAILINK_DEF(system,
601 	DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
602 
603 SND_SOC_DAILINK_DEF(system2,
604 	DAILINK_COMP_ARRAY(COMP_CPU("System Pin2")));
605 
606 SND_SOC_DAILINK_DEF(echoref,
607 	DAILINK_COMP_ARRAY(COMP_CPU("Echoref Pin")));
608 
609 SND_SOC_DAILINK_DEF(reference,
610 	DAILINK_COMP_ARRAY(COMP_CPU("Reference Pin")));
611 
612 SND_SOC_DAILINK_DEF(dmic,
613 	DAILINK_COMP_ARRAY(COMP_CPU("DMIC Pin")));
614 
615 SND_SOC_DAILINK_DEF(hdmi1,
616 	DAILINK_COMP_ARRAY(COMP_CPU("HDMI1 Pin")));
617 
618 SND_SOC_DAILINK_DEF(hdmi2,
619 	DAILINK_COMP_ARRAY(COMP_CPU("HDMI2 Pin")));
620 
621 SND_SOC_DAILINK_DEF(hdmi3,
622 	DAILINK_COMP_ARRAY(COMP_CPU("HDMI3 Pin")));
623 
624 SND_SOC_DAILINK_DEF(ssp0_pin,
625 	DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin")));
626 SND_SOC_DAILINK_DEF(ssp0_codec,
627 	DAILINK_COMP_ARRAY(
628 	/* Left */	COMP_CODEC(MAXIM_DEV0_NAME, KBL_MAXIM_CODEC_DAI),
629 	/* Right */	COMP_CODEC(MAXIM_DEV1_NAME, KBL_MAXIM_CODEC_DAI)));
630 
631 SND_SOC_DAILINK_DEF(ssp1_pin,
632 	DAILINK_COMP_ARRAY(COMP_CPU("SSP1 Pin")));
633 SND_SOC_DAILINK_DEF(ssp1_codec,
634 	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5663:00",
635 				      KBL_REALTEK_CODEC_DAI)));
636 
637 SND_SOC_DAILINK_DEF(dmic01_pin,
638 	DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin")));
639 SND_SOC_DAILINK_DEF(dmic_codec,
640 	DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));
641 
642 SND_SOC_DAILINK_DEF(idisp1_pin,
643 	DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin")));
644 SND_SOC_DAILINK_DEF(idisp1_codec,
645 	DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi1")));
646 
647 SND_SOC_DAILINK_DEF(idisp2_pin,
648 	DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin")));
649 SND_SOC_DAILINK_DEF(idisp2_codec,
650 	DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2")));
651 
652 SND_SOC_DAILINK_DEF(idisp3_pin,
653 	DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin")));
654 SND_SOC_DAILINK_DEF(idisp3_codec,
655 	DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi3")));
656 
657 SND_SOC_DAILINK_DEF(platform,
658 	DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3")));
659 
660 /* kabylake digital audio interface glue - connects codec <--> CPU */
661 static struct snd_soc_dai_link kabylake_dais[] = {
662 	/* Front End DAI links */
663 	[KBL_DPCM_AUDIO_PB] = {
664 		.name = "Kbl Audio Port",
665 		.stream_name = "Audio",
666 		.dynamic = 1,
667 		.nonatomic = 1,
668 		.init = kabylake_rt5663_fe_init,
669 		.trigger = {
670 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
671 		.dpcm_playback = 1,
672 		.ops = &kabylake_rt5663_fe_ops,
673 		SND_SOC_DAILINK_REG(system, dummy, platform),
674 	},
675 	[KBL_DPCM_AUDIO_CP] = {
676 		.name = "Kbl Audio Capture Port",
677 		.stream_name = "Audio Record",
678 		.dynamic = 1,
679 		.nonatomic = 1,
680 		.trigger = {
681 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
682 		.dpcm_capture = 1,
683 		.ops = &kabylake_rt5663_fe_ops,
684 		SND_SOC_DAILINK_REG(system, dummy, platform),
685 	},
686 	[KBL_DPCM_AUDIO_HS_PB] = {
687 		.name = "Kbl Audio Headset Playback",
688 		.stream_name = "Headset Audio",
689 		.dpcm_playback = 1,
690 		.nonatomic = 1,
691 		.dynamic = 1,
692 		SND_SOC_DAILINK_REG(system2, dummy, platform),
693 	},
694 	[KBL_DPCM_AUDIO_ECHO_REF_CP] = {
695 		.name = "Kbl Audio Echo Reference cap",
696 		.stream_name = "Echoreference Capture",
697 		.init = NULL,
698 		.dpcm_capture = 1,
699 		.nonatomic = 1,
700 		SND_SOC_DAILINK_REG(echoref, dummy, platform),
701 	},
702 	[KBL_DPCM_AUDIO_REF_CP] = {
703 		.name = "Kbl Audio Reference cap",
704 		.stream_name = "Wake on Voice",
705 		.init = NULL,
706 		.dpcm_capture = 1,
707 		.nonatomic = 1,
708 		.dynamic = 1,
709 		.ops = &skylake_refcap_ops,
710 		SND_SOC_DAILINK_REG(reference, dummy, platform),
711 	},
712 	[KBL_DPCM_AUDIO_DMIC_CP] = {
713 		.name = "Kbl Audio DMIC cap",
714 		.stream_name = "dmiccap",
715 		.init = NULL,
716 		.dpcm_capture = 1,
717 		.nonatomic = 1,
718 		.dynamic = 1,
719 		.ops = &kabylake_dmic_ops,
720 		SND_SOC_DAILINK_REG(dmic, dummy, platform),
721 	},
722 	[KBL_DPCM_AUDIO_HDMI1_PB] = {
723 		.name = "Kbl HDMI Port1",
724 		.stream_name = "Hdmi1",
725 		.dpcm_playback = 1,
726 		.init = NULL,
727 		.trigger = {
728 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
729 		.nonatomic = 1,
730 		.dynamic = 1,
731 		SND_SOC_DAILINK_REG(hdmi1, dummy, platform),
732 	},
733 	[KBL_DPCM_AUDIO_HDMI2_PB] = {
734 		.name = "Kbl HDMI Port2",
735 		.stream_name = "Hdmi2",
736 		.dpcm_playback = 1,
737 		.init = NULL,
738 		.trigger = {
739 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
740 		.nonatomic = 1,
741 		.dynamic = 1,
742 		SND_SOC_DAILINK_REG(hdmi2, dummy, platform),
743 	},
744 	[KBL_DPCM_AUDIO_HDMI3_PB] = {
745 		.name = "Kbl HDMI Port3",
746 		.stream_name = "Hdmi3",
747 		.trigger = {
748 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
749 		.dpcm_playback = 1,
750 		.init = NULL,
751 		.nonatomic = 1,
752 		.dynamic = 1,
753 		SND_SOC_DAILINK_REG(hdmi3, dummy, platform),
754 	},
755 
756 	/* Back End DAI links */
757 	{
758 		/* SSP0 - Codec */
759 		.name = "SSP0-Codec",
760 		.id = 0,
761 		.no_pcm = 1,
762 		.dai_fmt = SND_SOC_DAIFMT_DSP_B |
763 			SND_SOC_DAIFMT_NB_NF |
764 			SND_SOC_DAIFMT_CBS_CFS,
765 		.ignore_pmdown_time = 1,
766 		.be_hw_params_fixup = kabylake_ssp_fixup,
767 		.dpcm_playback = 1,
768 		.ops = &kabylake_ssp0_ops,
769 		SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform),
770 	},
771 	{
772 		/* SSP1 - Codec */
773 		.name = "SSP1-Codec",
774 		.id = 1,
775 		.no_pcm = 1,
776 		.init = kabylake_rt5663_max98927_codec_init,
777 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
778 			SND_SOC_DAIFMT_CBS_CFS,
779 		.ignore_pmdown_time = 1,
780 		.be_hw_params_fixup = kabylake_ssp_fixup,
781 		.ops = &kabylake_rt5663_ops,
782 		.dpcm_playback = 1,
783 		.dpcm_capture = 1,
784 		SND_SOC_DAILINK_REG(ssp1_pin, ssp1_codec, platform),
785 	},
786 	{
787 		.name = "dmic01",
788 		.id = 2,
789 		.be_hw_params_fixup = kabylake_dmic_fixup,
790 		.ignore_suspend = 1,
791 		.dpcm_capture = 1,
792 		.no_pcm = 1,
793 		SND_SOC_DAILINK_REG(dmic01_pin, dmic_codec, platform),
794 	},
795 	{
796 		.name = "iDisp1",
797 		.id = 3,
798 		.dpcm_playback = 1,
799 		.init = kabylake_hdmi1_init,
800 		.no_pcm = 1,
801 		SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
802 	},
803 	{
804 		.name = "iDisp2",
805 		.id = 4,
806 		.init = kabylake_hdmi2_init,
807 		.dpcm_playback = 1,
808 		.no_pcm = 1,
809 		SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
810 	},
811 	{
812 		.name = "iDisp3",
813 		.id = 5,
814 		.init = kabylake_hdmi3_init,
815 		.dpcm_playback = 1,
816 		.no_pcm = 1,
817 		SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
818 	},
819 };
820 
821 static struct snd_soc_dai_link kabylake_5663_dais[] = {
822 	/* Front End DAI links */
823 	[KBL_DPCM_AUDIO_5663_PB] = {
824 		.name = "Kbl Audio Port",
825 		.stream_name = "Audio",
826 		.dynamic = 1,
827 		.nonatomic = 1,
828 		.trigger = {
829 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
830 		.dpcm_playback = 1,
831 		.ops = &kabylake_rt5663_fe_ops,
832 		SND_SOC_DAILINK_REG(system, dummy, platform),
833 	},
834 	[KBL_DPCM_AUDIO_5663_CP] = {
835 		.name = "Kbl Audio Capture Port",
836 		.stream_name = "Audio Record",
837 		.dynamic = 1,
838 		.nonatomic = 1,
839 		.trigger = {
840 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
841 		.dpcm_capture = 1,
842 		.ops = &kabylake_rt5663_fe_ops,
843 		SND_SOC_DAILINK_REG(system, dummy, platform),
844 	},
845 	[KBL_DPCM_AUDIO_5663_HDMI1_PB] = {
846 		.name = "Kbl HDMI Port1",
847 		.stream_name = "Hdmi1",
848 		.dpcm_playback = 1,
849 		.init = NULL,
850 		.trigger = {
851 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
852 		.nonatomic = 1,
853 		.dynamic = 1,
854 		SND_SOC_DAILINK_REG(hdmi1, dummy, platform),
855 	},
856 	[KBL_DPCM_AUDIO_5663_HDMI2_PB] = {
857 		.name = "Kbl HDMI Port2",
858 		.stream_name = "Hdmi2",
859 		.dpcm_playback = 1,
860 		.init = NULL,
861 		.trigger = {
862 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
863 		.nonatomic = 1,
864 		.dynamic = 1,
865 		SND_SOC_DAILINK_REG(hdmi2, dummy, platform),
866 	},
867 
868 	/* Back End DAI links */
869 	{
870 		/* SSP1 - Codec */
871 		.name = "SSP1-Codec",
872 		.id = 0,
873 		.no_pcm = 1,
874 		.init = kabylake_rt5663_codec_init,
875 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
876 			SND_SOC_DAIFMT_CBS_CFS,
877 		.ignore_pmdown_time = 1,
878 		.be_hw_params_fixup = kabylake_ssp_fixup,
879 		.ops = &kabylake_rt5663_ops,
880 		.dpcm_playback = 1,
881 		.dpcm_capture = 1,
882 		SND_SOC_DAILINK_REG(ssp1_pin, ssp1_codec, platform),
883 	},
884 	{
885 		.name = "iDisp1",
886 		.id = 1,
887 		.dpcm_playback = 1,
888 		.init = kabylake_5663_hdmi1_init,
889 		.no_pcm = 1,
890 		SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
891 	},
892 	{
893 		.name = "iDisp2",
894 		.id = 2,
895 		.init = kabylake_5663_hdmi2_init,
896 		.dpcm_playback = 1,
897 		.no_pcm = 1,
898 		SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
899 	},
900 };
901 
902 #define NAME_SIZE	32
kabylake_card_late_probe(struct snd_soc_card * card)903 static int kabylake_card_late_probe(struct snd_soc_card *card)
904 {
905 	struct kbl_rt5663_private *ctx = snd_soc_card_get_drvdata(card);
906 	struct kbl_hdmi_pcm *pcm;
907 	struct snd_soc_component *component = NULL;
908 	int err, i = 0;
909 	char jack_name[NAME_SIZE];
910 
911 	list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
912 		component = pcm->codec_dai->component;
913 		snprintf(jack_name, sizeof(jack_name),
914 			"HDMI/DP, pcm=%d Jack", pcm->device);
915 		err = snd_soc_card_jack_new(card, jack_name,
916 					SND_JACK_AVOUT, &skylake_hdmi[i],
917 					NULL, 0);
918 
919 		if (err)
920 			return err;
921 
922 		err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
923 						&skylake_hdmi[i]);
924 		if (err < 0)
925 			return err;
926 
927 		i++;
928 	}
929 
930 	if (!component)
931 		return -EINVAL;
932 
933 	return hdac_hdmi_jack_port_init(component, &card->dapm);
934 }
935 
936 /* kabylake audio machine driver for SPT + RT5663 */
937 static struct snd_soc_card kabylake_audio_card_rt5663_m98927 = {
938 	.name = "kblrt5663max",
939 	.owner = THIS_MODULE,
940 	.dai_link = kabylake_dais,
941 	.num_links = ARRAY_SIZE(kabylake_dais),
942 	.controls = kabylake_controls,
943 	.num_controls = ARRAY_SIZE(kabylake_controls),
944 	.dapm_widgets = kabylake_widgets,
945 	.num_dapm_widgets = ARRAY_SIZE(kabylake_widgets),
946 	.dapm_routes = kabylake_map,
947 	.num_dapm_routes = ARRAY_SIZE(kabylake_map),
948 	.codec_conf = max98927_codec_conf,
949 	.num_configs = ARRAY_SIZE(max98927_codec_conf),
950 	.fully_routed = true,
951 	.late_probe = kabylake_card_late_probe,
952 };
953 
954 /* kabylake audio machine driver for RT5663 */
955 static struct snd_soc_card kabylake_audio_card_rt5663 = {
956 	.name = "kblrt5663",
957 	.owner = THIS_MODULE,
958 	.dai_link = kabylake_5663_dais,
959 	.num_links = ARRAY_SIZE(kabylake_5663_dais),
960 	.controls = kabylake_5663_controls,
961 	.num_controls = ARRAY_SIZE(kabylake_5663_controls),
962 	.dapm_widgets = kabylake_5663_widgets,
963 	.num_dapm_widgets = ARRAY_SIZE(kabylake_5663_widgets),
964 	.dapm_routes = kabylake_5663_map,
965 	.num_dapm_routes = ARRAY_SIZE(kabylake_5663_map),
966 	.fully_routed = true,
967 	.late_probe = kabylake_card_late_probe,
968 };
969 
kabylake_audio_probe(struct platform_device * pdev)970 static int kabylake_audio_probe(struct platform_device *pdev)
971 {
972 	struct kbl_rt5663_private *ctx;
973 	struct snd_soc_acpi_mach *mach;
974 	int ret;
975 
976 	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
977 	if (!ctx)
978 		return -ENOMEM;
979 
980 	INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
981 
982 	kabylake_audio_card =
983 		(struct snd_soc_card *)pdev->id_entry->driver_data;
984 
985 	kabylake_audio_card->dev = &pdev->dev;
986 	snd_soc_card_set_drvdata(kabylake_audio_card, ctx);
987 
988 	mach = pdev->dev.platform_data;
989 	if (mach)
990 		dmic_constraints = mach->mach_params.dmic_num == 2 ?
991 			&constraints_dmic_2ch : &constraints_dmic_channels;
992 
993 	ctx->mclk = devm_clk_get(&pdev->dev, "ssp1_mclk");
994 	if (IS_ERR(ctx->mclk)) {
995 		ret = PTR_ERR(ctx->mclk);
996 		if (ret == -ENOENT) {
997 			dev_info(&pdev->dev,
998 				"Failed to get ssp1_sclk, defer probe\n");
999 			return -EPROBE_DEFER;
1000 		}
1001 
1002 		dev_err(&pdev->dev, "Failed to get ssp1_mclk with err:%d\n",
1003 								ret);
1004 		return ret;
1005 	}
1006 
1007 	ctx->sclk = devm_clk_get(&pdev->dev, "ssp1_sclk");
1008 	if (IS_ERR(ctx->sclk)) {
1009 		ret = PTR_ERR(ctx->sclk);
1010 		if (ret == -ENOENT) {
1011 			dev_info(&pdev->dev,
1012 				"Failed to get ssp1_sclk, defer probe\n");
1013 			return -EPROBE_DEFER;
1014 		}
1015 
1016 		dev_err(&pdev->dev, "Failed to get ssp1_sclk with err:%d\n",
1017 								ret);
1018 		return ret;
1019 	}
1020 
1021 	return devm_snd_soc_register_card(&pdev->dev, kabylake_audio_card);
1022 }
1023 
1024 static const struct platform_device_id kbl_board_ids[] = {
1025 	{
1026 		.name = "kbl_rt5663",
1027 		.driver_data = (kernel_ulong_t)&kabylake_audio_card_rt5663,
1028 	},
1029 	{
1030 		.name = "kbl_rt5663_m98927",
1031 		.driver_data =
1032 			(kernel_ulong_t)&kabylake_audio_card_rt5663_m98927,
1033 	},
1034 	{ }
1035 };
1036 
1037 static struct platform_driver kabylake_audio = {
1038 	.probe = kabylake_audio_probe,
1039 	.driver = {
1040 		.name = "kbl_rt5663_m98927",
1041 		.pm = &snd_soc_pm_ops,
1042 	},
1043 	.id_table = kbl_board_ids,
1044 };
1045 
1046 module_platform_driver(kabylake_audio)
1047 
1048 /* Module information */
1049 MODULE_DESCRIPTION("Audio Machine driver-RT5663 & MAX98927 in I2S mode");
1050 MODULE_AUTHOR("Naveen M <naveen.m@intel.com>");
1051 MODULE_AUTHOR("Harsha Priya <harshapriya.n@intel.com>");
1052 MODULE_LICENSE("GPL v2");
1053 MODULE_ALIAS("platform:kbl_rt5663");
1054 MODULE_ALIAS("platform:kbl_rt5663_m98927");
1055