1 // SPDX-License-Identifier: GPL-2.0-only
2 // Copyright(c) 2019 Intel Corporation.
3 
4 /*
5  * Intel SOF Machine driver for DA7219 + MAX98373/MAX98360A codec
6  */
7 
8 #include <linux/input.h>
9 #include <linux/module.h>
10 #include <sound/jack.h>
11 #include <sound/pcm.h>
12 #include <sound/pcm_params.h>
13 #include <linux/platform_device.h>
14 #include <sound/soc.h>
15 #include <sound/soc-acpi.h>
16 #include "../../codecs/da7219.h"
17 #include "hda_dsp_common.h"
18 
19 #define DIALOG_CODEC_DAI	"da7219-hifi"
20 #define MAX98373_CODEC_DAI	"max98373-aif1"
21 #define MAXIM_DEV0_NAME		"i2c-MX98373:00"
22 #define MAXIM_DEV1_NAME		"i2c-MX98373:01"
23 
24 struct hdmi_pcm {
25 	struct list_head head;
26 	struct snd_soc_dai *codec_dai;
27 	int device;
28 };
29 
30 struct card_private {
31 	struct snd_soc_jack headset;
32 	struct list_head hdmi_pcm_list;
33 	struct snd_soc_jack hdmi[3];
34 };
35 
36 static int platform_clock_control(struct snd_soc_dapm_widget *w,
37 				  struct snd_kcontrol *k, int  event)
38 {
39 	struct snd_soc_dapm_context *dapm = w->dapm;
40 	struct snd_soc_card *card = dapm->card;
41 	struct snd_soc_dai *codec_dai;
42 	int ret = 0;
43 
44 	codec_dai = snd_soc_card_get_codec_dai(card, DIALOG_CODEC_DAI);
45 	if (!codec_dai) {
46 		dev_err(card->dev, "Codec dai not found; Unable to set/unset codec pll\n");
47 		return -EIO;
48 	}
49 
50 	if (SND_SOC_DAPM_EVENT_OFF(event)) {
51 		ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_MCLK,
52 					  0, 0);
53 		if (ret)
54 			dev_err(card->dev, "failed to stop PLL: %d\n", ret);
55 	} else if (SND_SOC_DAPM_EVENT_ON(event)) {
56 		ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_PLL_SRM,
57 					  0, DA7219_PLL_FREQ_OUT_98304);
58 		if (ret)
59 			dev_err(card->dev, "failed to start PLL: %d\n", ret);
60 	}
61 
62 	return ret;
63 }
64 
65 static const struct snd_kcontrol_new controls[] = {
66 	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
67 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
68 	SOC_DAPM_PIN_SWITCH("Line Out"),
69 	SOC_DAPM_PIN_SWITCH("Left Spk"),
70 	SOC_DAPM_PIN_SWITCH("Right Spk"),
71 };
72 
73 static const struct snd_kcontrol_new m98360a_controls[] = {
74 	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
75 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
76 	SOC_DAPM_PIN_SWITCH("Line Out"),
77 	SOC_DAPM_PIN_SWITCH("Spk"),
78 };
79 
80 /* For MAX98373 amp */
81 static const struct snd_soc_dapm_widget widgets[] = {
82 	SND_SOC_DAPM_HP("Headphone Jack", NULL),
83 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
84 	SND_SOC_DAPM_LINE("Line Out", NULL),
85 
86 	SND_SOC_DAPM_SPK("Left Spk", NULL),
87 	SND_SOC_DAPM_SPK("Right Spk", NULL),
88 
89 	SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
90 			    platform_clock_control, SND_SOC_DAPM_POST_PMD |
91 			    SND_SOC_DAPM_PRE_PMU),
92 
93 	SND_SOC_DAPM_MIC("SoC DMIC", NULL),
94 };
95 
96 static const struct snd_soc_dapm_route audio_map[] = {
97 	{ "Headphone Jack", NULL, "HPL" },
98 	{ "Headphone Jack", NULL, "HPR" },
99 
100 	{ "MIC", NULL, "Headset Mic" },
101 
102 	{ "Headphone Jack", NULL, "Platform Clock" },
103 	{ "Headset Mic", NULL, "Platform Clock" },
104 	{ "Line Out", NULL, "Platform Clock" },
105 
106 	{ "Left Spk", NULL, "Left BE_OUT" },
107 	{ "Right Spk", NULL, "Right BE_OUT" },
108 
109 	/* digital mics */
110 	{"DMic", NULL, "SoC DMIC"},
111 };
112 
113 /* For MAX98360A amp */
114 static const struct snd_soc_dapm_widget max98360a_widgets[] = {
115 	SND_SOC_DAPM_HP("Headphone Jack", NULL),
116 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
117 	SND_SOC_DAPM_LINE("Line Out", NULL),
118 
119 	SND_SOC_DAPM_SPK("Spk", NULL),
120 
121 	SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
122 			    platform_clock_control, SND_SOC_DAPM_POST_PMD |
123 			    SND_SOC_DAPM_PRE_PMU),
124 
125 	SND_SOC_DAPM_MIC("SoC DMIC", NULL),
126 };
127 
128 static const struct snd_soc_dapm_route max98360a_map[] = {
129 	{ "Headphone Jack", NULL, "HPL" },
130 	{ "Headphone Jack", NULL, "HPR" },
131 
132 	{ "MIC", NULL, "Headset Mic" },
133 
134 	{ "Headphone Jack", NULL, "Platform Clock" },
135 	{ "Headset Mic", NULL, "Platform Clock" },
136 	{ "Line Out", NULL, "Platform Clock" },
137 
138 	{"Spk", NULL, "Speaker"},
139 
140 	/* digital mics */
141 	{"DMic", NULL, "SoC DMIC"},
142 };
143 
144 static struct snd_soc_jack_pin jack_pins[] = {
145 	{
146 		.pin    = "Headphone Jack",
147 		.mask   = SND_JACK_HEADPHONE,
148 	},
149 	{
150 		.pin    = "Headset Mic",
151 		.mask   = SND_JACK_MICROPHONE,
152 	},
153 	{
154 		.pin    = "Line Out",
155 		.mask   = SND_JACK_LINEOUT,
156 	},
157 };
158 
159 static struct snd_soc_jack headset;
160 
161 static int da7219_codec_init(struct snd_soc_pcm_runtime *rtd)
162 {
163 	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
164 	struct snd_soc_component *component = codec_dai->component;
165 	struct snd_soc_jack *jack;
166 	int ret;
167 
168 	/* Configure sysclk for codec */
169 	ret = snd_soc_dai_set_sysclk(codec_dai, DA7219_CLKSRC_MCLK, 24000000,
170 				     SND_SOC_CLOCK_IN);
171 	if (ret) {
172 		dev_err(rtd->dev, "can't set codec sysclk configuration\n");
173 		return ret;
174 	}
175 
176 	/*
177 	 * Headset buttons map to the google Reference headset.
178 	 * These can be configured by userspace.
179 	 */
180 	ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack",
181 					 SND_JACK_HEADSET | SND_JACK_BTN_0 |
182 					 SND_JACK_BTN_1 | SND_JACK_BTN_2 |
183 					 SND_JACK_BTN_3 | SND_JACK_LINEOUT,
184 					 &headset,
185 					 jack_pins,
186 					 ARRAY_SIZE(jack_pins));
187 	if (ret) {
188 		dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret);
189 		return ret;
190 	}
191 
192 	jack = &headset;
193 	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
194 	snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
195 	snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
196 	snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);
197 	snd_soc_component_set_jack(component, jack, NULL);
198 
199 	return ret;
200 }
201 
202 static int ssp1_hw_params(struct snd_pcm_substream *substream,
203 			      struct snd_pcm_hw_params *params)
204 {
205 	struct snd_soc_pcm_runtime *runtime = asoc_substream_to_rtd(substream);
206 	int ret, j;
207 
208 	for (j = 0; j < runtime->dai_link->num_codecs; j++) {
209 		struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(runtime, j);
210 
211 		if (!strcmp(codec_dai->component->name, MAXIM_DEV0_NAME)) {
212 			/* vmon_slot_no = 0 imon_slot_no = 1 for TX slots */
213 			ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x3, 3, 4, 16);
214 			if (ret < 0) {
215 				dev_err(runtime->dev, "DEV0 TDM slot err:%d\n", ret);
216 				return ret;
217 			}
218 		}
219 		if (!strcmp(codec_dai->component->name, MAXIM_DEV1_NAME)) {
220 			/* vmon_slot_no = 2 imon_slot_no = 3 for TX slots */
221 			ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xC, 3, 4, 16);
222 			if (ret < 0) {
223 				dev_err(runtime->dev, "DEV1 TDM slot err:%d\n", ret);
224 				return ret;
225 			}
226 		}
227 	}
228 
229 	return 0;
230 }
231 
232 static struct snd_soc_ops ssp1_ops = {
233 	.hw_params = ssp1_hw_params,
234 };
235 
236 static struct snd_soc_codec_conf max98373_codec_conf[] = {
237 	{
238 		.dlc = COMP_CODEC_CONF(MAXIM_DEV0_NAME),
239 		.name_prefix = "Right",
240 	},
241 	{
242 		.dlc = COMP_CODEC_CONF(MAXIM_DEV1_NAME),
243 		.name_prefix = "Left",
244 	},
245 };
246 
247 static int hdmi_init(struct snd_soc_pcm_runtime *rtd)
248 {
249 	struct card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
250 	struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
251 	struct hdmi_pcm *pcm;
252 
253 	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
254 	if (!pcm)
255 		return -ENOMEM;
256 
257 	pcm->device = dai->id;
258 	pcm->codec_dai = dai;
259 
260 	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
261 
262 	return 0;
263 }
264 
265 static int card_late_probe(struct snd_soc_card *card)
266 {
267 	struct card_private *ctx = snd_soc_card_get_drvdata(card);
268 	struct snd_soc_acpi_mach *mach = (card->dev)->platform_data;
269 	struct hdmi_pcm *pcm;
270 
271 	if (mach->mach_params.common_hdmi_codec_drv) {
272 		pcm = list_first_entry(&ctx->hdmi_pcm_list, struct hdmi_pcm,
273 				       head);
274 		return hda_dsp_hdmi_build_controls(card,
275 						   pcm->codec_dai->component);
276 	}
277 
278 	return -EINVAL;
279 }
280 
281 SND_SOC_DAILINK_DEF(ssp0_pin,
282 	DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin")));
283 SND_SOC_DAILINK_DEF(ssp0_codec,
284 	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-DLGS7219:00", DIALOG_CODEC_DAI)));
285 
286 SND_SOC_DAILINK_DEF(ssp1_pin,
287 	DAILINK_COMP_ARRAY(COMP_CPU("SSP1 Pin")));
288 SND_SOC_DAILINK_DEF(ssp1_amps,
289 	DAILINK_COMP_ARRAY(
290 	/* Left */	COMP_CODEC(MAXIM_DEV0_NAME, MAX98373_CODEC_DAI),
291 	/* Right */	COMP_CODEC(MAXIM_DEV1_NAME, MAX98373_CODEC_DAI)));
292 
293 SND_SOC_DAILINK_DEF(ssp1_m98360a,
294 	DAILINK_COMP_ARRAY(COMP_CODEC("MX98360A:00", "HiFi")));
295 
296 SND_SOC_DAILINK_DEF(dmic_pin,
297 	DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin")));
298 SND_SOC_DAILINK_DEF(dmic_codec,
299 	DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));
300 
301 SND_SOC_DAILINK_DEF(dmic16k_pin,
302 	DAILINK_COMP_ARRAY(COMP_CPU("DMIC16k Pin")));
303 
304 SND_SOC_DAILINK_DEF(idisp1_pin,
305 	DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin")));
306 SND_SOC_DAILINK_DEF(idisp1_codec,
307 	DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi1")));
308 
309 SND_SOC_DAILINK_DEF(idisp2_pin,
310 	DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin")));
311 SND_SOC_DAILINK_DEF(idisp2_codec,
312 	DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2")));
313 
314 SND_SOC_DAILINK_DEF(idisp3_pin,
315 	DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin")));
316 SND_SOC_DAILINK_DEF(idisp3_codec,
317 	DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi3")));
318 
319 SND_SOC_DAILINK_DEF(platform, /* subject to be overridden during probe */
320 	DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3")));
321 
322 static struct snd_soc_dai_link dais[] = {
323 	/* Back End DAI links */
324 	{
325 		.name = "SSP1-Codec",
326 		.id = 0,
327 		.ignore_pmdown_time = 1,
328 		.no_pcm = 1,
329 		.dpcm_playback = 1,
330 		.dpcm_capture = 1, /* IV feedback */
331 		.ops = &ssp1_ops,
332 		SND_SOC_DAILINK_REG(ssp1_pin, ssp1_amps, platform),
333 	},
334 	{
335 		.name = "SSP0-Codec",
336 		.id = 1,
337 		.no_pcm = 1,
338 		.init = da7219_codec_init,
339 		.ignore_pmdown_time = 1,
340 		.dpcm_playback = 1,
341 		.dpcm_capture = 1,
342 		SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform),
343 	},
344 	{
345 		.name = "dmic01",
346 		.id = 2,
347 		.ignore_suspend = 1,
348 		.dpcm_capture = 1,
349 		.no_pcm = 1,
350 		SND_SOC_DAILINK_REG(dmic_pin, dmic_codec, platform),
351 	},
352 	{
353 		.name = "iDisp1",
354 		.id = 3,
355 		.init = hdmi_init,
356 		.dpcm_playback = 1,
357 		.no_pcm = 1,
358 		SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
359 	},
360 	{
361 		.name = "iDisp2",
362 		.id = 4,
363 		.init = hdmi_init,
364 		.dpcm_playback = 1,
365 		.no_pcm = 1,
366 		SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
367 	},
368 	{
369 		.name = "iDisp3",
370 		.id = 5,
371 		.init = hdmi_init,
372 		.dpcm_playback = 1,
373 		.no_pcm = 1,
374 		SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
375 	},
376 	{
377 		.name = "dmic16k",
378 		.id = 6,
379 		.ignore_suspend = 1,
380 		.dpcm_capture = 1,
381 		.no_pcm = 1,
382 		SND_SOC_DAILINK_REG(dmic16k_pin, dmic_codec, platform),
383 	}
384 };
385 
386 static struct snd_soc_card card_da7219_m98373 = {
387 	.name = "da7219max",
388 	.owner = THIS_MODULE,
389 	.dai_link = dais,
390 	.num_links = ARRAY_SIZE(dais),
391 	.controls = controls,
392 	.num_controls = ARRAY_SIZE(controls),
393 	.dapm_widgets = widgets,
394 	.num_dapm_widgets = ARRAY_SIZE(widgets),
395 	.dapm_routes = audio_map,
396 	.num_dapm_routes = ARRAY_SIZE(audio_map),
397 	.codec_conf = max98373_codec_conf,
398 	.num_configs = ARRAY_SIZE(max98373_codec_conf),
399 	.fully_routed = true,
400 	.late_probe = card_late_probe,
401 };
402 
403 static struct snd_soc_card card_da7219_m98360a = {
404 	.name = "da7219max98360a",
405 	.owner = THIS_MODULE,
406 	.dai_link = dais,
407 	.num_links = ARRAY_SIZE(dais),
408 	.controls = m98360a_controls,
409 	.num_controls = ARRAY_SIZE(m98360a_controls),
410 	.dapm_widgets = max98360a_widgets,
411 	.num_dapm_widgets = ARRAY_SIZE(max98360a_widgets),
412 	.dapm_routes = max98360a_map,
413 	.num_dapm_routes = ARRAY_SIZE(max98360a_map),
414 	.fully_routed = true,
415 	.late_probe = card_late_probe,
416 };
417 
418 static int audio_probe(struct platform_device *pdev)
419 {
420 	static struct snd_soc_card *card;
421 	struct snd_soc_acpi_mach *mach;
422 	struct card_private *ctx;
423 	int ret;
424 
425 	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
426 	if (!ctx)
427 		return -ENOMEM;
428 
429 	/* By default dais[0] is configured for max98373 */
430 	if (!strcmp(pdev->name, "sof_da7219_mx98360a")) {
431 		dais[0] = (struct snd_soc_dai_link) {
432 			.name = "SSP1-Codec",
433 			.id = 0,
434 			.no_pcm = 1,
435 			.dpcm_playback = 1,
436 			.ignore_pmdown_time = 1,
437 			SND_SOC_DAILINK_REG(ssp1_pin, ssp1_m98360a, platform) };
438 	}
439 
440 	INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
441 	card = (struct snd_soc_card *)pdev->id_entry->driver_data;
442 	card->dev = &pdev->dev;
443 
444 	mach = pdev->dev.platform_data;
445 	ret = snd_soc_fixup_dai_links_platform_name(card,
446 						    mach->mach_params.platform);
447 	if (ret)
448 		return ret;
449 
450 	snd_soc_card_set_drvdata(card, ctx);
451 
452 	return devm_snd_soc_register_card(&pdev->dev, card);
453 }
454 
455 static const struct platform_device_id board_ids[] = {
456 	{
457 		.name = "sof_da7219_mx98373",
458 		.driver_data = (kernel_ulong_t)&card_da7219_m98373,
459 	},
460 	{
461 		.name = "sof_da7219_mx98360a",
462 		.driver_data = (kernel_ulong_t)&card_da7219_m98360a,
463 	},
464 	{ }
465 };
466 MODULE_DEVICE_TABLE(platform, board_ids);
467 
468 static struct platform_driver audio = {
469 	.probe = audio_probe,
470 	.driver = {
471 		.name = "sof_da7219_max98_360a_373",
472 		.pm = &snd_soc_pm_ops,
473 	},
474 	.id_table = board_ids,
475 };
476 module_platform_driver(audio)
477 
478 /* Module information */
479 MODULE_DESCRIPTION("ASoC Intel(R) SOF Machine driver");
480 MODULE_AUTHOR("Yong Zhi <yong.zhi@intel.com>");
481 MODULE_LICENSE("GPL v2");
482 MODULE_IMPORT_NS(SND_SOC_INTEL_HDA_DSP_COMMON);
483