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_device.h>
10#include <linux/platform_device.h>
11#include <linux/slab.h>
12#include <linux/gpio.h>
13#include <linux/of_gpio.h>
14#include <sound/core.h>
15#include <sound/jack.h>
16#include <sound/pcm.h>
17#include <sound/pcm_params.h>
18#include <sound/soc.h>
19
20#include "rockchip_i2s.h"
21#include "../codecs/ts3a227e.h"
22
23#define DRV_NAME "rockchip-snd-max98090"
24
25static struct snd_soc_jack headset_jack;
26
27/* Headset jack detection DAPM pins */
28static struct snd_soc_jack_pin headset_jack_pins[] = {
29	{
30		.pin = "Headphone",
31		.mask = SND_JACK_HEADPHONE,
32	},
33	{
34		.pin = "Headset Mic",
35		.mask = SND_JACK_MICROPHONE,
36	},
37
38};
39
40#define RK_MAX98090_WIDGETS \
41	SND_SOC_DAPM_HP("Headphone", NULL), \
42	SND_SOC_DAPM_MIC("Headset Mic", NULL), \
43	SND_SOC_DAPM_MIC("Int Mic", NULL), \
44	SND_SOC_DAPM_SPK("Speaker", NULL)
45
46#define RK_HDMI_WIDGETS \
47	SND_SOC_DAPM_LINE("HDMI", NULL)
48
49static const struct snd_soc_dapm_widget rk_max98090_dapm_widgets[] = {
50	RK_MAX98090_WIDGETS,
51};
52
53static const struct snd_soc_dapm_widget rk_hdmi_dapm_widgets[] = {
54	RK_HDMI_WIDGETS,
55};
56
57static const struct snd_soc_dapm_widget rk_max98090_hdmi_dapm_widgets[] = {
58	RK_MAX98090_WIDGETS,
59	RK_HDMI_WIDGETS,
60};
61
62#define RK_MAX98090_AUDIO_MAP \
63	{"IN34", NULL, "Headset Mic"}, \
64	{"Headset Mic", NULL, "MICBIAS"}, \
65	{"DMICL", NULL, "Int Mic"}, \
66	{"Headphone", NULL, "HPL"}, \
67	{"Headphone", NULL, "HPR"}, \
68	{"Speaker", NULL, "SPKL"}, \
69	{"Speaker", NULL, "SPKR"}
70
71#define RK_HDMI_AUDIO_MAP \
72	{"HDMI", NULL, "TX"}
73
74static const struct snd_soc_dapm_route rk_max98090_audio_map[] = {
75	RK_MAX98090_AUDIO_MAP,
76};
77
78static const struct snd_soc_dapm_route rk_hdmi_audio_map[] = {
79	RK_HDMI_AUDIO_MAP,
80};
81
82static const struct snd_soc_dapm_route rk_max98090_hdmi_audio_map[] = {
83	RK_MAX98090_AUDIO_MAP,
84	RK_HDMI_AUDIO_MAP,
85};
86
87#define RK_MAX98090_CONTROLS \
88	SOC_DAPM_PIN_SWITCH("Headphone"), \
89	SOC_DAPM_PIN_SWITCH("Headset Mic"), \
90	SOC_DAPM_PIN_SWITCH("Int Mic"), \
91	SOC_DAPM_PIN_SWITCH("Speaker")
92
93#define RK_HDMI_CONTROLS \
94	SOC_DAPM_PIN_SWITCH("HDMI")
95
96static const struct snd_kcontrol_new rk_max98090_controls[] = {
97	RK_MAX98090_CONTROLS,
98};
99
100static const struct snd_kcontrol_new rk_hdmi_controls[] = {
101	RK_HDMI_CONTROLS,
102};
103
104static const struct snd_kcontrol_new rk_max98090_hdmi_controls[] = {
105	RK_MAX98090_CONTROLS,
106	RK_HDMI_CONTROLS,
107};
108
109static int rk_jack_event(struct notifier_block *nb, unsigned long event,
110			 void *data)
111{
112	struct snd_soc_jack *jack = (struct snd_soc_jack *)data;
113	struct snd_soc_dapm_context *dapm = &jack->card->dapm;
114
115	if (event & SND_JACK_MICROPHONE) {
116		snd_soc_dapm_force_enable_pin(dapm, "MICBIAS");
117		snd_soc_dapm_force_enable_pin(dapm, "SHDN");
118	} else {
119		snd_soc_dapm_disable_pin(dapm, "MICBIAS");
120		snd_soc_dapm_disable_pin(dapm, "SHDN");
121	}
122
123	snd_soc_dapm_sync(dapm);
124
125	return 0;
126}
127
128static struct notifier_block rk_jack_nb = {
129	.notifier_call = rk_jack_event,
130};
131
132static int rk_init(struct snd_soc_pcm_runtime *runtime)
133{
134	/*
135	 * The jack has already been created in the rk_98090_headset_init()
136	 * function.
137	 */
138	snd_soc_jack_notifier_register(&headset_jack, &rk_jack_nb);
139
140	return 0;
141}
142
143static int rk_aif1_hw_params(struct snd_pcm_substream *substream,
144			     struct snd_pcm_hw_params *params)
145{
146	int ret = 0;
147	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
148	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
149	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
150	int mclk;
151
152	switch (params_rate(params)) {
153	case 8000:
154	case 16000:
155	case 24000:
156	case 32000:
157	case 48000:
158	case 64000:
159	case 96000:
160		mclk = 12288000;
161		break;
162	case 11025:
163	case 22050:
164	case 44100:
165	case 88200:
166		mclk = 11289600;
167		break;
168	default:
169		return -EINVAL;
170	}
171
172	ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
173				     SND_SOC_CLOCK_OUT);
174	if (ret) {
175		dev_err(cpu_dai->dev, "Can't set cpu dai clock %d\n", ret);
176		return ret;
177	}
178
179	ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
180				     SND_SOC_CLOCK_IN);
181
182	/* HDMI codec dai does not need to set sysclk. */
183	if (!strcmp(rtd->dai_link->name, "HDMI"))
184		return 0;
185
186	if (ret) {
187		dev_err(codec_dai->dev, "Can't set codec dai clock %d\n", ret);
188		return ret;
189	}
190
191	return ret;
192}
193
194static int rk_aif1_startup(struct snd_pcm_substream *substream)
195{
196	/*
197	 * Set period size to 240 because pl330 has issue
198	 * dealing with larger period in stress testing.
199	 */
200	return snd_pcm_hw_constraint_minmax(substream->runtime,
201			SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 240, 240);
202}
203
204static const struct snd_soc_ops rk_aif1_ops = {
205	.hw_params = rk_aif1_hw_params,
206	.startup = rk_aif1_startup,
207};
208
209SND_SOC_DAILINK_DEFS(analog,
210		     DAILINK_COMP_ARRAY(COMP_EMPTY()),
211		     DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "HiFi")),
212		     DAILINK_COMP_ARRAY(COMP_EMPTY()));
213
214SND_SOC_DAILINK_DEFS(hdmi,
215		     DAILINK_COMP_ARRAY(COMP_EMPTY()),
216		     DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "i2s-hifi")),
217		     DAILINK_COMP_ARRAY(COMP_EMPTY()));
218
219enum {
220	DAILINK_MAX98090,
221	DAILINK_HDMI,
222};
223
224static struct snd_soc_jack rk_hdmi_jack;
225
226static int rk_hdmi_init(struct snd_soc_pcm_runtime *runtime)
227{
228	struct snd_soc_card *card = runtime->card;
229	struct snd_soc_component *component = asoc_rtd_to_codec(runtime, 0)->component;
230	int ret;
231
232	/* enable jack detection */
233	ret = snd_soc_card_jack_new(card, "HDMI Jack", SND_JACK_LINEOUT,
234				    &rk_hdmi_jack, NULL, 0);
235	if (ret) {
236		dev_err(card->dev, "Can't new HDMI Jack %d\n", ret);
237		return ret;
238	}
239
240	return snd_soc_component_set_jack(component, &rk_hdmi_jack, NULL);
241}
242
243/* max98090 dai_link */
244static struct snd_soc_dai_link rk_max98090_dailinks[] = {
245	{
246		.name = "max98090",
247		.stream_name = "Analog",
248		.init = rk_init,
249		.ops = &rk_aif1_ops,
250		/* set max98090 as slave */
251		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
252			SND_SOC_DAIFMT_CBS_CFS,
253		SND_SOC_DAILINK_REG(analog),
254	},
255};
256
257/* HDMI codec dai_link */
258static struct snd_soc_dai_link rk_hdmi_dailinks[] = {
259	{
260		.name = "HDMI",
261		.stream_name = "HDMI",
262		.init = rk_hdmi_init,
263		.ops = &rk_aif1_ops,
264		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
265			SND_SOC_DAIFMT_CBS_CFS,
266		SND_SOC_DAILINK_REG(hdmi),
267	}
268};
269
270/* max98090 and HDMI codec dai_link */
271static struct snd_soc_dai_link rk_max98090_hdmi_dailinks[] = {
272	[DAILINK_MAX98090] = {
273		.name = "max98090",
274		.stream_name = "Analog",
275		.init = rk_init,
276		.ops = &rk_aif1_ops,
277		/* set max98090 as slave */
278		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
279			SND_SOC_DAIFMT_CBS_CFS,
280		SND_SOC_DAILINK_REG(analog),
281	},
282	[DAILINK_HDMI] = {
283		.name = "HDMI",
284		.stream_name = "HDMI",
285		.init = rk_hdmi_init,
286		.ops = &rk_aif1_ops,
287		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
288			SND_SOC_DAIFMT_CBS_CFS,
289		SND_SOC_DAILINK_REG(hdmi),
290	}
291};
292
293static int rk_98090_headset_init(struct snd_soc_component *component);
294
295static struct snd_soc_aux_dev rk_98090_headset_dev = {
296	.dlc = COMP_EMPTY(),
297	.init = rk_98090_headset_init,
298};
299
300static struct snd_soc_card rockchip_max98090_card = {
301	.name = "ROCKCHIP-I2S",
302	.owner = THIS_MODULE,
303	.dai_link = rk_max98090_dailinks,
304	.num_links = ARRAY_SIZE(rk_max98090_dailinks),
305	.aux_dev = &rk_98090_headset_dev,
306	.num_aux_devs = 1,
307	.dapm_widgets = rk_max98090_dapm_widgets,
308	.num_dapm_widgets = ARRAY_SIZE(rk_max98090_dapm_widgets),
309	.dapm_routes = rk_max98090_audio_map,
310	.num_dapm_routes = ARRAY_SIZE(rk_max98090_audio_map),
311	.controls = rk_max98090_controls,
312	.num_controls = ARRAY_SIZE(rk_max98090_controls),
313};
314
315static struct snd_soc_card rockchip_hdmi_card = {
316	.name = "ROCKCHIP-HDMI",
317	.owner = THIS_MODULE,
318	.dai_link = rk_hdmi_dailinks,
319	.num_links = ARRAY_SIZE(rk_hdmi_dailinks),
320	.dapm_widgets = rk_hdmi_dapm_widgets,
321	.num_dapm_widgets = ARRAY_SIZE(rk_hdmi_dapm_widgets),
322	.dapm_routes = rk_hdmi_audio_map,
323	.num_dapm_routes = ARRAY_SIZE(rk_hdmi_audio_map),
324	.controls = rk_hdmi_controls,
325	.num_controls = ARRAY_SIZE(rk_hdmi_controls),
326};
327
328static struct snd_soc_card rockchip_max98090_hdmi_card = {
329	.name = "ROCKCHIP-MAX98090-HDMI",
330	.owner = THIS_MODULE,
331	.dai_link = rk_max98090_hdmi_dailinks,
332	.num_links = ARRAY_SIZE(rk_max98090_hdmi_dailinks),
333	.aux_dev = &rk_98090_headset_dev,
334	.num_aux_devs = 1,
335	.dapm_widgets = rk_max98090_hdmi_dapm_widgets,
336	.num_dapm_widgets = ARRAY_SIZE(rk_max98090_hdmi_dapm_widgets),
337	.dapm_routes = rk_max98090_hdmi_audio_map,
338	.num_dapm_routes = ARRAY_SIZE(rk_max98090_hdmi_audio_map),
339	.controls = rk_max98090_hdmi_controls,
340	.num_controls = ARRAY_SIZE(rk_max98090_hdmi_controls),
341};
342
343static int rk_98090_headset_init(struct snd_soc_component *component)
344{
345	int ret;
346
347	/* Enable Headset and 4 Buttons Jack detection */
348	ret = snd_soc_card_jack_new(component->card, "Headset Jack",
349				    SND_JACK_HEADSET |
350				    SND_JACK_BTN_0 | SND_JACK_BTN_1 |
351				    SND_JACK_BTN_2 | SND_JACK_BTN_3,
352				    &headset_jack,
353				    headset_jack_pins,
354				    ARRAY_SIZE(headset_jack_pins));
355	if (ret)
356		return ret;
357
358	ret = ts3a227e_enable_jack_detect(component, &headset_jack);
359
360	return ret;
361}
362
363static int rk_parse_headset_from_of(struct device *dev, struct device_node *np)
364{
365	rk_98090_headset_dev.dlc.of_node = of_parse_phandle(
366			np, "rockchip,headset-codec", 0);
367	if (!rk_98090_headset_dev.dlc.of_node) {
368		dev_err(dev,
369			"Property 'rockchip,headset-codec' missing/invalid\n");
370		return -EINVAL;
371	}
372	return 0;
373}
374
375static int snd_rk_mc_probe(struct platform_device *pdev)
376{
377	int ret = 0;
378	struct snd_soc_card *card;
379	struct device *dev = &pdev->dev;
380	struct device_node *np = pdev->dev.of_node;
381	struct device_node *np_cpu;
382	struct device_node *np_audio, *np_hdmi;
383
384	/* Parse DTS for I2S controller. */
385	np_cpu = of_parse_phandle(np, "rockchip,i2s-controller", 0);
386
387	if (!np_cpu) {
388		dev_err(&pdev->dev,
389			"Property 'rockchip,i2s-controller missing or invalid\n");
390		return -EINVAL;
391	}
392
393	/*
394	 * Find the card to use based on the presences of audio codec
395	 * and hdmi codec in device property. Set their of_node accordingly.
396	 */
397	np_audio = of_parse_phandle(np, "rockchip,audio-codec", 0);
398	np_hdmi = of_parse_phandle(np, "rockchip,hdmi-codec", 0);
399	if (np_audio && np_hdmi) {
400		card = &rockchip_max98090_hdmi_card;
401		card->dai_link[DAILINK_MAX98090].codecs->of_node = np_audio;
402		card->dai_link[DAILINK_HDMI].codecs->of_node = np_hdmi;
403		card->dai_link[DAILINK_MAX98090].cpus->of_node = np_cpu;
404		card->dai_link[DAILINK_MAX98090].platforms->of_node = np_cpu;
405		card->dai_link[DAILINK_HDMI].cpus->of_node = np_cpu;
406		card->dai_link[DAILINK_HDMI].platforms->of_node = np_cpu;
407	} else if (np_audio) {
408		card = &rockchip_max98090_card;
409		card->dai_link[0].codecs->of_node = np_audio;
410		card->dai_link[0].cpus->of_node = np_cpu;
411		card->dai_link[0].platforms->of_node = np_cpu;
412	} else if (np_hdmi) {
413		card = &rockchip_hdmi_card;
414		card->dai_link[0].codecs->of_node = np_hdmi;
415		card->dai_link[0].cpus->of_node = np_cpu;
416		card->dai_link[0].platforms->of_node = np_cpu;
417	} else {
418		dev_err(dev, "At least one of codecs should be specified\n");
419		return -EINVAL;
420	}
421
422	card->dev = dev;
423
424	/* Parse headset detection codec. */
425	if (np_audio) {
426		ret = rk_parse_headset_from_of(dev, np);
427		if (ret)
428			return ret;
429	}
430
431	/* Parse card name. */
432	ret = snd_soc_of_parse_card_name(card, "rockchip,model");
433	if (ret) {
434		dev_err(&pdev->dev,
435			"Soc parse card name failed %d\n", ret);
436		return ret;
437	}
438
439	/* register the soc card */
440	ret = devm_snd_soc_register_card(&pdev->dev, card);
441	if (ret) {
442		dev_err(&pdev->dev,
443			"Soc register card failed %d\n", ret);
444		return ret;
445	}
446
447	return ret;
448}
449
450static const struct of_device_id rockchip_max98090_of_match[] = {
451	{ .compatible = "rockchip,rockchip-audio-max98090", },
452	{},
453};
454
455MODULE_DEVICE_TABLE(of, rockchip_max98090_of_match);
456
457static struct platform_driver snd_rk_mc_driver = {
458	.probe = snd_rk_mc_probe,
459	.driver = {
460		.name = DRV_NAME,
461		.pm = &snd_soc_pm_ops,
462		.of_match_table = rockchip_max98090_of_match,
463	},
464};
465
466module_platform_driver(snd_rk_mc_driver);
467
468MODULE_AUTHOR("jianqun <jay.xu@rock-chips.com>");
469MODULE_DESCRIPTION("Rockchip max98090 machine ASoC driver");
470MODULE_LICENSE("GPL v2");
471MODULE_ALIAS("platform:" DRV_NAME);
472