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 
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()));
17 
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()));
22 
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()));
27 
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()));
32 
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()));
37 
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()));
42 
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()));
47 
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()));
52 
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()));
57 
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()));
62 
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()));
67 
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()));
72 
73 static 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 		.dpcm_playback = 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 		.dpcm_playback = 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 		.dpcm_playback = 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 		.dpcm_capture = 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 		.dpcm_capture = 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 		.dpcm_capture = 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 		.dpcm_capture = 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 		.dpcm_playback = 1,
145 		.dpcm_capture = 1,
146 		.ignore_suspend = 1,
147 		SND_SOC_DAILINK_REG(hostless_lpbk),
148 	},
149 	{
150 		.name = "Hostless_Speech",
151 		.stream_name = "Hostless_Speech",
152 		.trigger = {SND_SOC_DPCM_TRIGGER_PRE,
153 			    SND_SOC_DPCM_TRIGGER_PRE},
154 		.dynamic = 1,
155 		.dpcm_playback = 1,
156 		.dpcm_capture = 1,
157 		.ignore_suspend = 1,
158 		SND_SOC_DAILINK_REG(hostless_speech),
159 	},
160 	/* BE */
161 	{
162 		.name = "Primary Codec",
163 		.no_pcm = 1,
164 		.dpcm_playback = 1,
165 		.dpcm_capture = 1,
166 		.ignore_suspend = 1,
167 		SND_SOC_DAILINK_REG(primary_codec),
168 	},
169 	{
170 		.name = "PCM 1",
171 		.no_pcm = 1,
172 		.dpcm_playback = 1,
173 		.dpcm_capture = 1,
174 		.ignore_suspend = 1,
175 		SND_SOC_DAILINK_REG(pcm1),
176 	},
177 	{
178 		.name = "PCM 2",
179 		.no_pcm = 1,
180 		.dpcm_playback = 1,
181 		.dpcm_capture = 1,
182 		.ignore_suspend = 1,
183 		SND_SOC_DAILINK_REG(pcm2),
184 	},
185 };
186 
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),
192 };
193 
mt6797_mt6351_dev_probe(struct platform_device * pdev)194 static int mt6797_mt6351_dev_probe(struct platform_device *pdev)
195 {
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;
199 	int ret, i;
200 
201 	card->dev = &pdev->dev;
202 
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");
207 		return -EINVAL;
208 	}
209 	for_each_card_prelinks(card, i, dai_link) {
210 		if (dai_link->platforms->name)
211 			continue;
212 		dai_link->platforms->of_node = platform_node;
213 	}
214 
215 	codec_node = of_parse_phandle(pdev->dev.of_node,
216 				      "mediatek,audio-codec", 0);
217 	if (!codec_node) {
218 		dev_err(&pdev->dev,
219 			"Property 'audio-codec' missing or invalid\n");
220 		ret = -EINVAL;
221 		goto put_platform_node;
222 	}
223 	for_each_card_prelinks(card, i, dai_link) {
224 		if (dai_link->codecs->name)
225 			continue;
226 		dai_link->codecs->of_node = codec_node;
227 	}
228 
229 	ret = devm_snd_soc_register_card(&pdev->dev, card);
230 	if (ret)
231 		dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
232 			__func__, ret);
233 
234 	of_node_put(codec_node);
235 put_platform_node:
236 	of_node_put(platform_node);
237 	return ret;
238 }
239 
240 #ifdef CONFIG_OF
241 static const struct of_device_id mt6797_mt6351_dt_match[] = {
242 	{.compatible = "mediatek,mt6797-mt6351-sound",},
243 	{}
244 };
245 MODULE_DEVICE_TABLE(of, mt6797_mt6351_dt_match);
246 #endif
247 
248 static struct platform_driver mt6797_mt6351_driver = {
249 	.driver = {
250 		.name = "mt6797-mt6351",
251 #ifdef CONFIG_OF
252 		.of_match_table = mt6797_mt6351_dt_match,
253 #endif
254 	},
255 	.probe = mt6797_mt6351_dev_probe,
256 };
257 
258 module_platform_driver(mt6797_mt6351_driver);
259 
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");
265 
266