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