1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Rockchip machine ASoC driver for boards using a MAX90809 CODEC.
4 *
5 * Copyright (c) 2014, ROCKCHIP CORPORATION.  All rights reserved.
6 */
7
8#include <linux/module.h>
9#include <linux/of.h>
10#include <linux/platform_device.h>
11#include <linux/slab.h>
12#include <sound/core.h>
13#include <sound/jack.h>
14#include <sound/pcm.h>
15#include <sound/pcm_params.h>
16#include <sound/soc.h>
17
18#include "rockchip_i2s.h"
19#include "../codecs/ts3a227e.h"
20
21#define DRV_NAME "rockchip-snd-max98090"
22
23static struct snd_soc_jack headset_jack;
24
25/* Headset jack detection DAPM pins */
26static struct snd_soc_jack_pin headset_jack_pins[] = {
27	{
28		.pin = "Headphone",
29		.mask = SND_JACK_HEADPHONE,
30	},
31	{
32		.pin = "Headset Mic",
33		.mask = SND_JACK_MICROPHONE,
34	},
35
36};
37
38#define RK_MAX98090_WIDGETS \
39	SND_SOC_DAPM_HP("Headphone", NULL), \
40	SND_SOC_DAPM_MIC("Headset Mic", NULL), \
41	SND_SOC_DAPM_MIC("Int Mic", NULL), \
42	SND_SOC_DAPM_SPK("Speaker", NULL)
43
44#define RK_HDMI_WIDGETS \
45	SND_SOC_DAPM_LINE("HDMI", NULL)
46
47static const struct snd_soc_dapm_widget rk_max98090_dapm_widgets[] = {
48	RK_MAX98090_WIDGETS,
49};
50
51static const struct snd_soc_dapm_widget rk_hdmi_dapm_widgets[] = {
52	RK_HDMI_WIDGETS,
53};
54
55static const struct snd_soc_dapm_widget rk_max98090_hdmi_dapm_widgets[] = {
56	RK_MAX98090_WIDGETS,
57	RK_HDMI_WIDGETS,
58};
59
60#define RK_MAX98090_AUDIO_MAP \
61	{"IN34", NULL, "Headset Mic"}, \
62	{"Headset Mic", NULL, "MICBIAS"}, \
63	{"DMICL", NULL, "Int Mic"}, \
64	{"Headphone", NULL, "HPL"}, \
65	{"Headphone", NULL, "HPR"}, \
66	{"Speaker", NULL, "SPKL"}, \
67	{"Speaker", NULL, "SPKR"}
68
69#define RK_HDMI_AUDIO_MAP \
70	{"HDMI", NULL, "TX"}
71
72static const struct snd_soc_dapm_route rk_max98090_audio_map[] = {
73	RK_MAX98090_AUDIO_MAP,
74};
75
76static const struct snd_soc_dapm_route rk_hdmi_audio_map[] = {
77	RK_HDMI_AUDIO_MAP,
78};
79
80static const struct snd_soc_dapm_route rk_max98090_hdmi_audio_map[] = {
81	RK_MAX98090_AUDIO_MAP,
82	RK_HDMI_AUDIO_MAP,
83};
84
85#define RK_MAX98090_CONTROLS \
86	SOC_DAPM_PIN_SWITCH("Headphone"), \
87	SOC_DAPM_PIN_SWITCH("Headset Mic"), \
88	SOC_DAPM_PIN_SWITCH("Int Mic"), \
89	SOC_DAPM_PIN_SWITCH("Speaker")
90
91#define RK_HDMI_CONTROLS \
92	SOC_DAPM_PIN_SWITCH("HDMI")
93
94static const struct snd_kcontrol_new rk_max98090_controls[] = {
95	RK_MAX98090_CONTROLS,
96};
97
98static const struct snd_kcontrol_new rk_hdmi_controls[] = {
99	RK_HDMI_CONTROLS,
100};
101
102static const struct snd_kcontrol_new rk_max98090_hdmi_controls[] = {
103	RK_MAX98090_CONTROLS,
104	RK_HDMI_CONTROLS,
105};
106
107static int rk_jack_event(struct notifier_block *nb, unsigned long event,
108			 void *data)
109{
110	struct snd_soc_jack *jack = (struct snd_soc_jack *)data;
111	struct snd_soc_dapm_context *dapm = &jack->card->dapm;
112
113	if (event & SND_JACK_MICROPHONE) {
114		snd_soc_dapm_force_enable_pin(dapm, "MICBIAS");
115		snd_soc_dapm_force_enable_pin(dapm, "SHDN");
116	} else {
117		snd_soc_dapm_disable_pin(dapm, "MICBIAS");
118		snd_soc_dapm_disable_pin(dapm, "SHDN");
119	}
120
121	snd_soc_dapm_sync(dapm);
122
123	return 0;
124}
125
126static struct notifier_block rk_jack_nb = {
127	.notifier_call = rk_jack_event,
128};
129
130static int rk_init(struct snd_soc_pcm_runtime *runtime)
131{
132	/*
133	 * The jack has already been created in the rk_98090_headset_init()
134	 * function.
135	 */
136	snd_soc_jack_notifier_register(&headset_jack, &rk_jack_nb);
137
138	return 0;
139}
140
141static int rk_aif1_hw_params(struct snd_pcm_substream *substream,
142			     struct snd_pcm_hw_params *params)
143{
144	int ret = 0;
145	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
146	struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
147	struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
148	int mclk;
149
150	switch (params_rate(params)) {
151	case 8000:
152	case 16000:
153	case 24000:
154	case 32000:
155	case 48000:
156	case 64000:
157	case 96000:
158		mclk = 12288000;
159		break;
160	case 11025:
161	case 22050:
162	case 44100:
163	case 88200:
164		mclk = 11289600;
165		break;
166	default:
167		return -EINVAL;
168	}
169
170	ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
171				     SND_SOC_CLOCK_OUT);
172	if (ret) {
173		dev_err(cpu_dai->dev, "Can't set cpu dai clock %d\n", ret);
174		return ret;
175	}
176
177	ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
178				     SND_SOC_CLOCK_IN);
179
180	/* HDMI codec dai does not need to set sysclk. */
181	if (!strcmp(rtd->dai_link->name, "HDMI"))
182		return 0;
183
184	if (ret) {
185		dev_err(codec_dai->dev, "Can't set codec dai clock %d\n", ret);
186		return ret;
187	}
188
189	return ret;
190}
191
192static int rk_aif1_startup(struct snd_pcm_substream *substream)
193{
194	/*
195	 * Set period size to 240 because pl330 has issue
196	 * dealing with larger period in stress testing.
197	 */
198	return snd_pcm_hw_constraint_minmax(substream->runtime,
199			SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 240, 240);
200}
201
202static const struct snd_soc_ops rk_aif1_ops = {
203	.hw_params = rk_aif1_hw_params,
204	.startup = rk_aif1_startup,
205};
206
207SND_SOC_DAILINK_DEFS(analog,
208		     DAILINK_COMP_ARRAY(COMP_EMPTY()),
209		     DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "HiFi")),
210		     DAILINK_COMP_ARRAY(COMP_EMPTY()));
211
212SND_SOC_DAILINK_DEFS(hdmi,
213		     DAILINK_COMP_ARRAY(COMP_EMPTY()),
214		     DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "i2s-hifi")),
215		     DAILINK_COMP_ARRAY(COMP_EMPTY()));
216
217enum {
218	DAILINK_MAX98090,
219	DAILINK_HDMI,
220};
221
222static struct snd_soc_jack rk_hdmi_jack;
223
224static int rk_hdmi_init(struct snd_soc_pcm_runtime *runtime)
225{
226	struct snd_soc_card *card = runtime->card;
227	struct snd_soc_component *component = snd_soc_rtd_to_codec(runtime, 0)->component;
228	int ret;
229
230	/* enable jack detection */
231	ret = snd_soc_card_jack_new(card, "HDMI Jack", SND_JACK_LINEOUT,
232				    &rk_hdmi_jack);
233	if (ret) {
234		dev_err(card->dev, "Can't new HDMI Jack %d\n", ret);
235		return ret;
236	}
237
238	return snd_soc_component_set_jack(component, &rk_hdmi_jack, NULL);
239}
240
241/* max98090 dai_link */
242static struct snd_soc_dai_link rk_max98090_dailinks[] = {
243	{
244		.name = "max98090",
245		.stream_name = "Analog",
246		.init = rk_init,
247		.ops = &rk_aif1_ops,
248		/* set max98090 as slave */
249		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
250			SND_SOC_DAIFMT_CBS_CFS,
251		SND_SOC_DAILINK_REG(analog),
252	},
253};
254
255/* HDMI codec dai_link */
256static struct snd_soc_dai_link rk_hdmi_dailinks[] = {
257	{
258		.name = "HDMI",
259		.stream_name = "HDMI",
260		.init = rk_hdmi_init,
261		.ops = &rk_aif1_ops,
262		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
263			SND_SOC_DAIFMT_CBS_CFS,
264		SND_SOC_DAILINK_REG(hdmi),
265	}
266};
267
268/* max98090 and HDMI codec dai_link */
269static struct snd_soc_dai_link rk_max98090_hdmi_dailinks[] = {
270	[DAILINK_MAX98090] = {
271		.name = "max98090",
272		.stream_name = "Analog",
273		.init = rk_init,
274		.ops = &rk_aif1_ops,
275		/* set max98090 as slave */
276		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
277			SND_SOC_DAIFMT_CBS_CFS,
278		SND_SOC_DAILINK_REG(analog),
279	},
280	[DAILINK_HDMI] = {
281		.name = "HDMI",
282		.stream_name = "HDMI",
283		.init = rk_hdmi_init,
284		.ops = &rk_aif1_ops,
285		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
286			SND_SOC_DAIFMT_CBS_CFS,
287		SND_SOC_DAILINK_REG(hdmi),
288	}
289};
290
291static int rk_98090_headset_init(struct snd_soc_component *component);
292
293static struct snd_soc_aux_dev rk_98090_headset_dev = {
294	.dlc = COMP_EMPTY(),
295	.init = rk_98090_headset_init,
296};
297
298static struct snd_soc_card rockchip_max98090_card = {
299	.name = "ROCKCHIP-I2S",
300	.owner = THIS_MODULE,
301	.dai_link = rk_max98090_dailinks,
302	.num_links = ARRAY_SIZE(rk_max98090_dailinks),
303	.aux_dev = &rk_98090_headset_dev,
304	.num_aux_devs = 1,
305	.dapm_widgets = rk_max98090_dapm_widgets,
306	.num_dapm_widgets = ARRAY_SIZE(rk_max98090_dapm_widgets),
307	.dapm_routes = rk_max98090_audio_map,
308	.num_dapm_routes = ARRAY_SIZE(rk_max98090_audio_map),
309	.controls = rk_max98090_controls,
310	.num_controls = ARRAY_SIZE(rk_max98090_controls),
311};
312
313static struct snd_soc_card rockchip_hdmi_card = {
314	.name = "ROCKCHIP-HDMI",
315	.owner = THIS_MODULE,
316	.dai_link = rk_hdmi_dailinks,
317	.num_links = ARRAY_SIZE(rk_hdmi_dailinks),
318	.dapm_widgets = rk_hdmi_dapm_widgets,
319	.num_dapm_widgets = ARRAY_SIZE(rk_hdmi_dapm_widgets),
320	.dapm_routes = rk_hdmi_audio_map,
321	.num_dapm_routes = ARRAY_SIZE(rk_hdmi_audio_map),
322	.controls = rk_hdmi_controls,
323	.num_controls = ARRAY_SIZE(rk_hdmi_controls),
324};
325
326static struct snd_soc_card rockchip_max98090_hdmi_card = {
327	.name = "ROCKCHIP-MAX98090-HDMI",
328	.owner = THIS_MODULE,
329	.dai_link = rk_max98090_hdmi_dailinks,
330	.num_links = ARRAY_SIZE(rk_max98090_hdmi_dailinks),
331	.aux_dev = &rk_98090_headset_dev,
332	.num_aux_devs = 1,
333	.dapm_widgets = rk_max98090_hdmi_dapm_widgets,
334	.num_dapm_widgets = ARRAY_SIZE(rk_max98090_hdmi_dapm_widgets),
335	.dapm_routes = rk_max98090_hdmi_audio_map,
336	.num_dapm_routes = ARRAY_SIZE(rk_max98090_hdmi_audio_map),
337	.controls = rk_max98090_hdmi_controls,
338	.num_controls = ARRAY_SIZE(rk_max98090_hdmi_controls),
339};
340
341static int rk_98090_headset_init(struct snd_soc_component *component)
342{
343	int ret;
344
345	/* Enable Headset and 4 Buttons Jack detection */
346	ret = snd_soc_card_jack_new_pins(component->card, "Headset Jack",
347					 SND_JACK_HEADSET |
348					 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
349					 SND_JACK_BTN_2 | SND_JACK_BTN_3,
350					 &headset_jack,
351					 headset_jack_pins,
352					 ARRAY_SIZE(headset_jack_pins));
353	if (ret)
354		return ret;
355
356	ret = ts3a227e_enable_jack_detect(component, &headset_jack);
357
358	return ret;
359}
360
361static int rk_parse_headset_from_of(struct device *dev, struct device_node *np)
362{
363	rk_98090_headset_dev.dlc.of_node = of_parse_phandle(
364			np, "rockchip,headset-codec", 0);
365	if (!rk_98090_headset_dev.dlc.of_node) {
366		dev_err(dev,
367			"Property 'rockchip,headset-codec' missing/invalid\n");
368		return -EINVAL;
369	}
370	return 0;
371}
372
373static int snd_rk_mc_probe(struct platform_device *pdev)
374{
375	int ret = 0;
376	struct snd_soc_card *card;
377	struct device *dev = &pdev->dev;
378	struct device_node *np = pdev->dev.of_node;
379	struct device_node *np_cpu;
380	struct device_node *np_audio, *np_hdmi;
381
382	/* Parse DTS for I2S controller. */
383	np_cpu = of_parse_phandle(np, "rockchip,i2s-controller", 0);
384
385	if (!np_cpu) {
386		dev_err(&pdev->dev,
387			"Property 'rockchip,i2s-controller missing or invalid\n");
388		return -EINVAL;
389	}
390
391	/*
392	 * Find the card to use based on the presences of audio codec
393	 * and hdmi codec in device property. Set their of_node accordingly.
394	 */
395	np_audio = of_parse_phandle(np, "rockchip,audio-codec", 0);
396	np_hdmi = of_parse_phandle(np, "rockchip,hdmi-codec", 0);
397	if (np_audio && np_hdmi) {
398		card = &rockchip_max98090_hdmi_card;
399		card->dai_link[DAILINK_MAX98090].codecs->of_node = np_audio;
400		card->dai_link[DAILINK_HDMI].codecs->of_node = np_hdmi;
401		card->dai_link[DAILINK_MAX98090].cpus->of_node = np_cpu;
402		card->dai_link[DAILINK_MAX98090].platforms->of_node = np_cpu;
403		card->dai_link[DAILINK_HDMI].cpus->of_node = np_cpu;
404		card->dai_link[DAILINK_HDMI].platforms->of_node = np_cpu;
405	} else if (np_audio) {
406		card = &rockchip_max98090_card;
407		card->dai_link[0].codecs->of_node = np_audio;
408		card->dai_link[0].cpus->of_node = np_cpu;
409		card->dai_link[0].platforms->of_node = np_cpu;
410	} else if (np_hdmi) {
411		card = &rockchip_hdmi_card;
412		card->dai_link[0].codecs->of_node = np_hdmi;
413		card->dai_link[0].cpus->of_node = np_cpu;
414		card->dai_link[0].platforms->of_node = np_cpu;
415	} else {
416		dev_err(dev, "At least one of codecs should be specified\n");
417		return -EINVAL;
418	}
419
420	card->dev = dev;
421
422	/* Parse headset detection codec. */
423	if (np_audio) {
424		ret = rk_parse_headset_from_of(dev, np);
425		if (ret)
426			return ret;
427	}
428
429	/* Parse card name. */
430	ret = snd_soc_of_parse_card_name(card, "rockchip,model");
431	if (ret) {
432		dev_err(&pdev->dev,
433			"Soc parse card name failed %d\n", ret);
434		return ret;
435	}
436
437	/* register the soc card */
438	ret = devm_snd_soc_register_card(&pdev->dev, card);
439	if (ret) {
440		dev_err(&pdev->dev,
441			"Soc register card failed %d\n", ret);
442		return ret;
443	}
444
445	return ret;
446}
447
448static const struct of_device_id rockchip_max98090_of_match[] = {
449	{ .compatible = "rockchip,rockchip-audio-max98090", },
450	{},
451};
452
453MODULE_DEVICE_TABLE(of, rockchip_max98090_of_match);
454
455static struct platform_driver snd_rk_mc_driver = {
456	.probe = snd_rk_mc_probe,
457	.driver = {
458		.name = DRV_NAME,
459		.pm = &snd_soc_pm_ops,
460		.of_match_table = rockchip_max98090_of_match,
461	},
462};
463
464module_platform_driver(snd_rk_mc_driver);
465
466MODULE_AUTHOR("jianqun <jay.xu@rock-chips.com>");
467MODULE_DESCRIPTION("Rockchip max98090 machine ASoC driver");
468MODULE_LICENSE("GPL v2");
469MODULE_ALIAS("platform:" DRV_NAME);
470