1 // SPDX-License-Identifier: GPL-2.0
3 // mt6797-mt6351.c -- MT6797 MT6351 ALSA SoC machine driver
5 // Copyright (c) 2018 MediaTek Inc.
6 // Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
8 #include <linux/module.h>
11 #include "mt6797-afe-common.h"
13 SND_SOC_DAILINK_DEFS(playback_1,
14 DAILINK_COMP_ARRAY(COMP_CPU("DL1")),
15 DAILINK_COMP_ARRAY(COMP_DUMMY()),
16 DAILINK_COMP_ARRAY(COMP_EMPTY()));
18 SND_SOC_DAILINK_DEFS(playback_2,
19 DAILINK_COMP_ARRAY(COMP_CPU("DL2")),
20 DAILINK_COMP_ARRAY(COMP_DUMMY()),
21 DAILINK_COMP_ARRAY(COMP_EMPTY()));
23 SND_SOC_DAILINK_DEFS(playback_3,
24 DAILINK_COMP_ARRAY(COMP_CPU("DL3")),
25 DAILINK_COMP_ARRAY(COMP_DUMMY()),
26 DAILINK_COMP_ARRAY(COMP_EMPTY()));
28 SND_SOC_DAILINK_DEFS(capture_1,
29 DAILINK_COMP_ARRAY(COMP_CPU("UL1")),
30 DAILINK_COMP_ARRAY(COMP_DUMMY()),
31 DAILINK_COMP_ARRAY(COMP_EMPTY()));
33 SND_SOC_DAILINK_DEFS(capture_2,
34 DAILINK_COMP_ARRAY(COMP_CPU("UL2")),
35 DAILINK_COMP_ARRAY(COMP_DUMMY()),
36 DAILINK_COMP_ARRAY(COMP_EMPTY()));
38 SND_SOC_DAILINK_DEFS(capture_3,
39 DAILINK_COMP_ARRAY(COMP_CPU("UL3")),
40 DAILINK_COMP_ARRAY(COMP_DUMMY()),
41 DAILINK_COMP_ARRAY(COMP_EMPTY()));
43 SND_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()));
48 SND_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()));
53 SND_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()));
58 SND_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()));
63 SND_SOC_DAILINK_DEFS(pcm1,
64 DAILINK_COMP_ARRAY(COMP_CPU("PCM 1")),
65 DAILINK_COMP_ARRAY(COMP_DUMMY()),
66 DAILINK_COMP_ARRAY(COMP_EMPTY()));
68 SND_SOC_DAILINK_DEFS(pcm2,
69 DAILINK_COMP_ARRAY(COMP_CPU("PCM 2")),
70 DAILINK_COMP_ARRAY(COMP_DUMMY()),
71 DAILINK_COMP_ARRAY(COMP_EMPTY()));
73 static struct snd_soc_dai_link mt6797_mt6351_dai_links[] = {
77 .stream_name = "Playback_1",
78 .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
79 SND_SOC_DPCM_TRIGGER_PRE},
82 SND_SOC_DAILINK_REG(playback_1),
86 .stream_name = "Playback_2",
87 .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
88 SND_SOC_DPCM_TRIGGER_PRE},
91 SND_SOC_DAILINK_REG(playback_2),
95 .stream_name = "Playback_3",
96 .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
97 SND_SOC_DPCM_TRIGGER_PRE},
100 SND_SOC_DAILINK_REG(playback_3),
104 .stream_name = "Capture_1",
105 .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
106 SND_SOC_DPCM_TRIGGER_PRE},
109 SND_SOC_DAILINK_REG(capture_1),
113 .stream_name = "Capture_2",
114 .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
115 SND_SOC_DPCM_TRIGGER_PRE},
118 SND_SOC_DAILINK_REG(capture_2),
122 .stream_name = "Capture_3",
123 .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
124 SND_SOC_DPCM_TRIGGER_PRE},
127 SND_SOC_DAILINK_REG(capture_3),
130 .name = "Capture_Mono_1",
131 .stream_name = "Capture_Mono_1",
132 .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
133 SND_SOC_DPCM_TRIGGER_PRE},
136 SND_SOC_DAILINK_REG(capture_mono_1),
139 .name = "Hostless_LPBK",
140 .stream_name = "Hostless_LPBK",
141 .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
142 SND_SOC_DPCM_TRIGGER_PRE},
147 SND_SOC_DAILINK_REG(hostless_lpbk),
150 .name = "Hostless_Speech",
151 .stream_name = "Hostless_Speech",
152 .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
153 SND_SOC_DPCM_TRIGGER_PRE},
158 SND_SOC_DAILINK_REG(hostless_speech),
162 .name = "Primary Codec",
167 SND_SOC_DAILINK_REG(primary_codec),
175 SND_SOC_DAILINK_REG(pcm1),
183 SND_SOC_DAILINK_REG(pcm2),
187 static struct snd_soc_card mt6797_mt6351_card = {
188 .name = "mt6797-mt6351",
189 .owner = THIS_MODULE,
190 .dai_link = mt6797_mt6351_dai_links,
191 .num_links = ARRAY_SIZE(mt6797_mt6351_dai_links),
194 static int mt6797_mt6351_dev_probe(struct platform_device *pdev)
196 struct snd_soc_card *card = &mt6797_mt6351_card;
197 struct device_node *platform_node, *codec_node;
198 struct snd_soc_dai_link *dai_link;
201 card->dev = &pdev->dev;
203 platform_node = of_parse_phandle(pdev->dev.of_node,
204 "mediatek,platform", 0);
205 if (!platform_node) {
206 dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
209 for_each_card_prelinks(card, i, dai_link) {
210 if (dai_link->platforms->name)
212 dai_link->platforms->of_node = platform_node;
215 codec_node = of_parse_phandle(pdev->dev.of_node,
216 "mediatek,audio-codec", 0);
219 "Property 'audio-codec' missing or invalid\n");
221 goto put_platform_node;
223 for_each_card_prelinks(card, i, dai_link) {
224 if (dai_link->codecs->name)
226 dai_link->codecs->of_node = codec_node;
229 ret = devm_snd_soc_register_card(&pdev->dev, card);
231 dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
234 of_node_put(codec_node);
236 of_node_put(platform_node);
241 static const struct of_device_id mt6797_mt6351_dt_match[] = {
242 {.compatible = "mediatek,mt6797-mt6351-sound",},
245 MODULE_DEVICE_TABLE(of, mt6797_mt6351_dt_match);
248 static struct platform_driver mt6797_mt6351_driver = {
250 .name = "mt6797-mt6351",
252 .of_match_table = mt6797_mt6351_dt_match,
255 .probe = mt6797_mt6351_dev_probe,
258 module_platform_driver(mt6797_mt6351_driver);
260 /* Module information */
261 MODULE_DESCRIPTION("MT6797 MT6351 ALSA SoC machine driver");
262 MODULE_AUTHOR("KaiChieh Chuang <kaichieh.chuang@mediatek.com>");
263 MODULE_LICENSE("GPL v2");
264 MODULE_ALIAS("mt6797 mt6351 soc card");