mt6797-mt6351.c

  1// SPDX-License-Identifier: GPL-2.0
  2//
  3// mt6797-mt6351.c  --  MT6797 MT6351 ALSA SoC machine driver
  4//
  5// Copyright (c) 2018 MediaTek Inc.
  6// Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
  7
  8#include <linux/module.h>
  9#include <sound/soc.h>
 10
 11#include "mt6797-afe-common.h"
 12
 13SND_SOC_DAILINK_DEFS(playback_1,
 14	DAILINK_COMP_ARRAY(COMP_CPU("DL1")),
 15	DAILINK_COMP_ARRAY(COMP_DUMMY()),
 16	DAILINK_COMP_ARRAY(COMP_EMPTY()));
 17
 18SND_SOC_DAILINK_DEFS(playback_2,
 19	DAILINK_COMP_ARRAY(COMP_CPU("DL2")),
 20	DAILINK_COMP_ARRAY(COMP_DUMMY()),
 21	DAILINK_COMP_ARRAY(COMP_EMPTY()));
 22
 23SND_SOC_DAILINK_DEFS(playback_3,
 24	DAILINK_COMP_ARRAY(COMP_CPU("DL3")),
 25	DAILINK_COMP_ARRAY(COMP_DUMMY()),
 26	DAILINK_COMP_ARRAY(COMP_EMPTY()));
 27
 28SND_SOC_DAILINK_DEFS(capture_1,
 29	DAILINK_COMP_ARRAY(COMP_CPU("UL1")),
 30	DAILINK_COMP_ARRAY(COMP_DUMMY()),
 31	DAILINK_COMP_ARRAY(COMP_EMPTY()));
 32
 33SND_SOC_DAILINK_DEFS(capture_2,
 34	DAILINK_COMP_ARRAY(COMP_CPU("UL2")),
 35	DAILINK_COMP_ARRAY(COMP_DUMMY()),
 36	DAILINK_COMP_ARRAY(COMP_EMPTY()));
 37
 38SND_SOC_DAILINK_DEFS(capture_3,
 39	DAILINK_COMP_ARRAY(COMP_CPU("UL3")),
 40	DAILINK_COMP_ARRAY(COMP_DUMMY()),
 41	DAILINK_COMP_ARRAY(COMP_EMPTY()));
 42
 43SND_SOC_DAILINK_DEFS(capture_mono_1,
 44	DAILINK_COMP_ARRAY(COMP_CPU("UL_MONO_1")),
 45	DAILINK_COMP_ARRAY(COMP_DUMMY()),
 46	DAILINK_COMP_ARRAY(COMP_EMPTY()));
 47
 48SND_SOC_DAILINK_DEFS(hostless_lpbk,
 49	DAILINK_COMP_ARRAY(COMP_CPU("Hostless LPBK DAI")),
 50	DAILINK_COMP_ARRAY(COMP_DUMMY()),
 51	DAILINK_COMP_ARRAY(COMP_EMPTY()));
 52
 53SND_SOC_DAILINK_DEFS(hostless_speech,
 54	DAILINK_COMP_ARRAY(COMP_CPU("Hostless Speech DAI")),
 55	DAILINK_COMP_ARRAY(COMP_DUMMY()),
 56	DAILINK_COMP_ARRAY(COMP_EMPTY()));
 57
 58SND_SOC_DAILINK_DEFS(primary_codec,
 59	DAILINK_COMP_ARRAY(COMP_CPU("ADDA")),
 60	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "mt6351-snd-codec-aif1")),
 61	DAILINK_COMP_ARRAY(COMP_EMPTY()));
 62
 63SND_SOC_DAILINK_DEFS(pcm1,
 64	DAILINK_COMP_ARRAY(COMP_CPU("PCM 1")),
 65	DAILINK_COMP_ARRAY(COMP_DUMMY()),
 66	DAILINK_COMP_ARRAY(COMP_EMPTY()));
 67
 68SND_SOC_DAILINK_DEFS(pcm2,
 69	DAILINK_COMP_ARRAY(COMP_CPU("PCM 2")),
 70	DAILINK_COMP_ARRAY(COMP_DUMMY()),
 71	DAILINK_COMP_ARRAY(COMP_EMPTY()));
 72
 73static struct snd_soc_dai_link mt6797_mt6351_dai_links[] = {
 74	/* FE */
 75	{
 76		.name = "Playback_1",
 77		.stream_name = "Playback_1",
 78		.trigger = {SND_SOC_DPCM_TRIGGER_PRE,
 79			    SND_SOC_DPCM_TRIGGER_PRE},
 80		.dynamic = 1,
 81		.playback_only = 1,
 82		SND_SOC_DAILINK_REG(playback_1),
 83	},
 84	{
 85		.name = "Playback_2",
 86		.stream_name = "Playback_2",
 87		.trigger = {SND_SOC_DPCM_TRIGGER_PRE,
 88			    SND_SOC_DPCM_TRIGGER_PRE},
 89		.dynamic = 1,
 90		.playback_only = 1,
 91		SND_SOC_DAILINK_REG(playback_2),
 92	},
 93	{
 94		.name = "Playback_3",
 95		.stream_name = "Playback_3",
 96		.trigger = {SND_SOC_DPCM_TRIGGER_PRE,
 97			    SND_SOC_DPCM_TRIGGER_PRE},
 98		.dynamic = 1,
 99		.playback_only = 1,
100		SND_SOC_DAILINK_REG(playback_3),
101	},
102	{
103		.name = "Capture_1",
104		.stream_name = "Capture_1",
105		.trigger = {SND_SOC_DPCM_TRIGGER_PRE,
106			    SND_SOC_DPCM_TRIGGER_PRE},
107		.dynamic = 1,
108		.capture_only = 1,
109		SND_SOC_DAILINK_REG(capture_1),
110	},
111	{
112		.name = "Capture_2",
113		.stream_name = "Capture_2",
114		.trigger = {SND_SOC_DPCM_TRIGGER_PRE,
115			    SND_SOC_DPCM_TRIGGER_PRE},
116		.dynamic = 1,
117		.capture_only = 1,
118		SND_SOC_DAILINK_REG(capture_2),
119	},
120	{
121		.name = "Capture_3",
122		.stream_name = "Capture_3",
123		.trigger = {SND_SOC_DPCM_TRIGGER_PRE,
124			    SND_SOC_DPCM_TRIGGER_PRE},
125		.dynamic = 1,
126		.capture_only = 1,
127		SND_SOC_DAILINK_REG(capture_3),
128	},
129	{
130		.name = "Capture_Mono_1",
131		.stream_name = "Capture_Mono_1",
132		.trigger = {SND_SOC_DPCM_TRIGGER_PRE,
133			    SND_SOC_DPCM_TRIGGER_PRE},
134		.dynamic = 1,
135		.capture_only = 1,
136		SND_SOC_DAILINK_REG(capture_mono_1),
137	},
138	{
139		.name = "Hostless_LPBK",
140		.stream_name = "Hostless_LPBK",
141		.trigger = {SND_SOC_DPCM_TRIGGER_PRE,
142			    SND_SOC_DPCM_TRIGGER_PRE},
143		.dynamic = 1,
144		.ignore_suspend = 1,
145		SND_SOC_DAILINK_REG(hostless_lpbk),
146	},
147	{
148		.name = "Hostless_Speech",
149		.stream_name = "Hostless_Speech",
150		.trigger = {SND_SOC_DPCM_TRIGGER_PRE,
151			    SND_SOC_DPCM_TRIGGER_PRE},
152		.dynamic = 1,
153		.ignore_suspend = 1,
154		SND_SOC_DAILINK_REG(hostless_speech),
155	},
156	/* BE */
157	{
158		.name = "Primary Codec",
159		.no_pcm = 1,
160		.ignore_suspend = 1,
161		SND_SOC_DAILINK_REG(primary_codec),
162	},
163	{
164		.name = "PCM 1",
165		.no_pcm = 1,
166		.ignore_suspend = 1,
167		SND_SOC_DAILINK_REG(pcm1),
168	},
169	{
170		.name = "PCM 2",
171		.no_pcm = 1,
172		.ignore_suspend = 1,
173		SND_SOC_DAILINK_REG(pcm2),
174	},
175};
176
177static struct snd_soc_card mt6797_mt6351_card = {
178	.name = "mt6797-mt6351",
179	.owner = THIS_MODULE,
180	.dai_link = mt6797_mt6351_dai_links,
181	.num_links = ARRAY_SIZE(mt6797_mt6351_dai_links),
182};
183
184static int mt6797_mt6351_dev_probe(struct platform_device *pdev)
185{
186	struct snd_soc_card *card = &mt6797_mt6351_card;
187	struct device_node *platform_node, *codec_node;
188	struct snd_soc_dai_link *dai_link;
189	int ret, i;
190
191	card->dev = &pdev->dev;
192
193	platform_node = of_parse_phandle(pdev->dev.of_node,
194					 "mediatek,platform", 0);
195	if (!platform_node) {
196		dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
197		return -EINVAL;
198	}
199	for_each_card_prelinks(card, i, dai_link) {
200		if (dai_link->platforms->name)
201			continue;
202		dai_link->platforms->of_node = platform_node;
203	}
204
205	codec_node = of_parse_phandle(pdev->dev.of_node,
206				      "mediatek,audio-codec", 0);
207	if (!codec_node) {
208		dev_err(&pdev->dev,
209			"Property 'audio-codec' missing or invalid\n");
210		ret = -EINVAL;
211		goto put_platform_node;
212	}
213	for_each_card_prelinks(card, i, dai_link) {
214		if (dai_link->codecs->name)
215			continue;
216		dai_link->codecs->of_node = codec_node;
217	}
218
219	ret = devm_snd_soc_register_card(&pdev->dev, card);
220	if (ret)
221		dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
222			__func__, ret);
223
224	of_node_put(codec_node);
225put_platform_node:
226	of_node_put(platform_node);
227	return ret;
228}
229
230#ifdef CONFIG_OF
231static const struct of_device_id mt6797_mt6351_dt_match[] = {
232	{.compatible = "mediatek,mt6797-mt6351-sound",},
233	{}
234};
235MODULE_DEVICE_TABLE(of, mt6797_mt6351_dt_match);
236#endif
237
238static struct platform_driver mt6797_mt6351_driver = {
239	.driver = {
240		.name = "mt6797-mt6351",
241#ifdef CONFIG_OF
242		.of_match_table = mt6797_mt6351_dt_match,
243#endif
244	},
245	.probe = mt6797_mt6351_dev_probe,
246};
247
248module_platform_driver(mt6797_mt6351_driver);
249
250/* Module information */
251MODULE_DESCRIPTION("MT6797 MT6351 ALSA SoC machine driver");
252MODULE_AUTHOR("KaiChieh Chuang <kaichieh.chuang@mediatek.com>");
253MODULE_LICENSE("GPL v2");
254MODULE_ALIAS("mt6797 mt6351 soc card");
255